{ "openapi": "3.1.1", "info": { "title": "Flipline API", "version": "1.0.0", "summary": "Deterministic tools for people and AI agents.", "description": "Every endpoint performs the same calculation as the human page and returns inputs, result, units, assumptions, sources, warnings and computedAt. MCP endpoint: /mcp." }, "servers": [ { "url": "https://flipline.usefulweb.site" } ], "paths": { "/api/v1/tools": { "get": { "operationId": "listTools", "summary": "Catalog of all tools", "responses": { "200": { "description": "Tool list.", "content": { "application/json": { "schema": { "type": "object" } } } } } } }, "/api/v1/tools/{id}": { "get": { "operationId": "getTool", "summary": "Definition of one tool", "parameters": [ { "in": "path", "name": "id", "required": true, "schema": { "type": "string", "enum": [ "flipline-exposure-sheet", "flipline-sprite-sheet", "flipline-motion-study", "flipline-pixel-quantizer", "flipline-pixel-transform", "flipline-palette-converter", "flipline-retro-batch" ] } } ], "responses": { "200": { "description": "Tool definition.", "content": { "application/json": { "schema": { "type": "object" } } } }, "404": { "description": "Invalid input (see errors[]).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } } } } }, "/api/v1/tools/flipline-exposure-sheet/calculate": { "post": { "operationId": "calculateFliplineExposureSheet", "summary": "Turn drawing holds into a precise animation timing sheet.", "description": "Enter how many timeline ticks each drawing lasts and a frame rate. Calculate drawing start times, total duration and GIF timing rounded to 10 milliseconds.\n\nMethodology:\n- A drawing held for N ticks lasts N × 1000 / FPS milliseconds. Start and end tick positions are half-open intervals.\n- GIF stores centiseconds. Each drawing duration rounds independently to the nearest 10 ms; the reported GIF total may differ from ideal playback.\n- 1–24 drawings, holds of 1–10 ticks and 1–30 FPS. No uploaded files are needed.", "tags": [ "apps" ], "x-mcp-tool": "flipline_exposure_sheet", "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplineExposureSheetInput" }, "examples": { "example1": { "summary": "A six-drawing motion study on twos", "value": { "holds": "2,2,1,1,2,2", "fps": 12 } } } } } }, "responses": { "200": { "description": "Calculation result envelope.", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplineExposureSheetResult" } } } }, "400": { "description": "Malformed JSON body.", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "422": { "description": "Invalid input (see errors[]).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "429": { "description": "Rate limit exceeded (see Retry-After).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } } } } }, "/api/v1/tools/flipline-sprite-sheet/calculate": { "post": { "operationId": "calculateFliplineSpriteSheet", "summary": "Plan an animation atlas with exact frame rectangles and padding.", "description": "Calculate a sprite sheet canvas and the pixel coordinates of every drawing. Use the JSON rectangles in a game or export the actual sheet from Flipline.\n\nMethodology:\n- Frames are placed in row-major order with padding around the sheet and between cells.\n- Width = columns × frame width + (columns + 1) × padding. Height uses the ceiling of drawing count / columns.\n- Columns are capped at the drawing count. Canvas limit: 16 MP and 16000 px per side. This planner returns coordinates, not an image.", "tags": [ "apps" ], "x-mcp-tool": "flipline_sprite_sheet", "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplineSpriteSheetInput" }, "examples": { "example1": { "summary": "Twelve sprites in four columns", "value": { "count": 12, "width": 256, "height": 256, "columns": 4, "padding": 2 } } } } } }, "responses": { "200": { "description": "Calculation result envelope.", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplineSpriteSheetResult" } } } }, "400": { "description": "Malformed JSON body.", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "422": { "description": "Invalid input (see errors[]).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "429": { "description": "Rate limit exceeded (see Retry-After).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } } } } }, "/api/v1/tools/flipline-motion-study/calculate": { "post": { "operationId": "calculateFliplineMotionStudy", "summary": "Generate an editable flipbook to compare animation easing curves.", "description": "Create a ball moving between two canvas positions with linear, ease-in, ease-out or smoothstep spacing. Download the project and open it in Flipline to draw over it.\n\nMethodology:\n- Progress samples include both endpoints: t = index / (drawing count − 1).\n- Easing: linear t, ease-in t², ease-out 1 − (1 − t)², smoothstep t²(3 − 2t). Canvas positions are percentages.\n- This generates a deterministic circle-motion project, not automatic inbetweening of arbitrary artwork. Each drawing is editable.", "tags": [ "apps" ], "x-mcp-tool": "flipline_motion_study", "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplineMotionStudyInput" }, "examples": { "example1": { "summary": "Twelve drawings with slow-in, slow-out spacing", "value": { "count": 12, "fps": 12, "ease": "ease-in-out", "fromX": 15, "fromY": 50, "toX": 85, "toY": 50 } } } } } }, "responses": { "200": { "description": "Calculation result envelope.", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplineMotionStudyResult" } } } }, "400": { "description": "Malformed JSON body.", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "422": { "description": "Invalid input (see errors[]).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "429": { "description": "Rate limit exceeded (see Retry-After).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } } } } }, "/api/v1/tools/flipline-pixel-quantizer/calculate": { "post": { "operationId": "calculateFliplinePixelQuantizer", "summary": "Convert images into pixel art with palettes, dithering and retro effects.", "description": "Resize a photo or drawing, adjust its colors, and apply an automatic or imported palette with ordered or error-diffusion dithering. Download a transparent PNG, editable pixel sprite and reusable recipe.\n\nMethodology:\n- Auto-orient and convert the source to sRGB, then sample native output pixels using nearest-neighbor fit, centered fill or stretch. Images are limited to 4 MB and 2 MP.\n- Apply RGB offsets, brightness and contrast, gamma, then saturation. Palette matching uses squared sRGB distance with first-entry tie-breaking. Automatic palettes select frequent adjusted colors.\n- Ordered dithering uses a 4 × 4 Bayer bias. Serpentine Floyd–Steinberg distributes errors with 7/16, 3/16, 5/16 and 1/16 weights; transparent pixels neither receive nor spread errors. Strength zero equals no dithering.\n- Alpha below the threshold becomes transparent. PNG integer scaling repeats pixels exactly. Dithering runs on native pixels and does not change with preview zoom or export scale.", "tags": [ "apps" ], "x-mcp-tool": "flipline_pixel_quantizer", "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplinePixelQuantizerInput" }, "examples": { "example1": { "summary": "A small red pixel sprite", "value": { "image": { "filename": "red.png", "contentType": "image/png", "contentBase64": "iVBORw0KGgoAAAANSUhEUgAAACAAAAAgAQMAAABJtOi3AAAABlBMVEX/////AADrWueTAAAAEklEQVQI12NgIBb8/09dgjgAAPcnH+GApkH4AAAAAElFTkSuQmCC" }, "width": 8, "height": 8, "colors": 4, "scale": 4 } }, "example2": { "summary": "Moss ordered dither", "value": { "image": { "filename": "red.png", "contentType": "image/png", "contentBase64": "iVBORw0KGgoAAAANSUhEUgAAACAAAAAgAQMAAABJtOi3AAAABlBMVEX/////AADrWueTAAAAEklEQVQI12NgIBb8/09dgjgAAPcnH+GApkH4AAAAAElFTkSuQmCC" }, "width": 16, "height": 16, "scale": 4, "palette": "#172c2f,#416350,#93ab69,#e3e6b1", "dither": "bayer", "contrast": 12 } } } } } }, "responses": { "200": { "description": "Calculation result envelope.", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplinePixelQuantizerResult" } } } }, "400": { "description": "Malformed JSON body.", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "422": { "description": "Invalid input (see errors[]).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "429": { "description": "Rate limit exceeded (see Retry-After).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } } } } }, "/api/v1/tools/flipline-pixel-transform/calculate": { "post": { "operationId": "calculateFliplinePixelTransform", "summary": "Flip, rotate or shift an indexed pixel sprite without blur.", "description": "Enter a compact pixel grid and HEX palette. Transform it with exact integer coordinates, optional wrapping and transparent pixels, then download an editable Flipline Pixel Studio project.\n\nMethodology:\n- Grid index 0 is transparent; 1–9 and A–W refer to palette entries 1–32. Rows must have equal width, at most 128 pixels per side.\n- Rotation is clockwise and swaps width and height. Shift clips outside pixels or wraps them to the opposite edge. No interpolation or color changes.\n- The same transform powers Pixel Studio. Open the downloaded .flipline-pixels.json file with the main Open button or Open sprite.", "tags": [ "apps" ], "x-mcp-tool": "flipline_pixel_transform", "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplinePixelTransformInput" }, "examples": { "example1": { "summary": "Rotate a tiny sprite", "value": { "rows": "1..\n.2.", "palette": "#213b45,#65a87b", "operation": "rotate" } } } } } }, "responses": { "200": { "description": "Calculation result envelope.", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplinePixelTransformResult" } } } }, "400": { "description": "Malformed JSON body.", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "422": { "description": "Invalid input (see errors[]).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "429": { "description": "Rate limit exceeded (see Retry-After).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } } } } }, "/api/v1/tools/flipline-palette-converter/calculate": { "post": { "operationId": "calculateFliplinePaletteConverter", "summary": "Convert HEX, GIMP GPL and JASC-PAL palettes without changing color order.", "description": "Paste a palette in HEX, GPL or JASC-PAL format, validate its colors, and download all three formats for pixel-art workflows. Keep duplicate colors and entry order across conversions.\n\nMethodology:\n- Accept 1–32 opaque RGB colors. HEX uses six-digit #RRGGBB values; GPL supports RGB rows and optional color names; JASC-PAL requires version 0100 and its declared count.\n- Entry order and duplicates are preserved. Transparency is not stored in these text palettes; Pixel Studio reserves a separate transparent index. Binary PAL, ASE and ACO files are not supported.", "tags": [ "apps" ], "x-mcp-tool": "flipline_palette_converter", "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplinePaletteConverterInput" }, "examples": { "example1": { "summary": "Four-color HEX palette", "value": { "text": "#172c2f,#416350,#93ab69,#e3e6b1", "name": "Moss" } } } } } }, "responses": { "200": { "description": "Calculation result envelope.", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplinePaletteConverterResult" } } } }, "400": { "description": "Malformed JSON body.", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "422": { "description": "Invalid input (see errors[]).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "429": { "description": "Rate limit exceeded (see Retry-After).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } } } } }, "/api/v1/tools/flipline-retro-batch/calculate": { "post": { "operationId": "calculateFliplineRetroBatch", "summary": "Apply one retro palette and effect recipe to a ZIP of images.", "description": "Convert up to eight images into consistent pixel-art assets with shared colors, dithering and adjustments. Download PNGs, editable pixel projects and the resolved recipe in one ZIP.\n\nMethodology:\n- Auto-orient and convert the source to sRGB, then sample native output pixels using nearest-neighbor fit, centered fill or stretch. Images are limited to 4 MB and 2 MP.\n- Apply RGB offsets, brightness and contrast, gamma, then saturation. Palette matching uses squared sRGB distance with first-entry tie-breaking. Automatic palettes select frequent adjusted colors.\n- Ordered dithering uses a 4 × 4 Bayer bias. Serpentine Floyd–Steinberg distributes errors with 7/16, 3/16, 5/16 and 1/16 weights; transparent pixels neither receive nor spread errors. Strength zero equals no dithering.\n- Alpha below the threshold becomes transparent. PNG integer scaling repeats pixels exactly. Dithering runs on native pixels and does not change with preview zoom or export scale.\n- ZIP limits: 16 entries, eight supported images, 4 MB per entry, 16 MB uncompressed input and 8 MP of decoded images total. Unsupported files are reported. ZIP order defines the first image.\n- If the palette is automatic, derive it from the first adjusted image and reuse it for every image. The recipe stored in the output resolves the palette to exact HEX values. Output names have numbered prefixes to avoid collisions.", "tags": [ "apps" ], "x-mcp-tool": "flipline_retro_batch", "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplineRetroBatchInput" }, "examples": { "example1": { "summary": "Two sprites with one moss palette", "value": { "images": { "filename": "images.zip", "contentType": "application/zip", "contentBase64": "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" }, "width": 8, "height": 8, "scale": 2, "palette": "#172c2f,#416350,#93ab69,#e3e6b1", "dither": "bayer" } } } } } }, "responses": { "200": { "description": "Calculation result envelope.", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/FliplineRetroBatchResult" } } } }, "400": { "description": "Malformed JSON body.", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "422": { "description": "Invalid input (see errors[]).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } }, "429": { "description": "Rate limit exceeded (see Retry-After).", "content": { "application/problem+json": { "schema": { "$ref": "#/components/schemas/Problem" } } } } } } }, "/api/v1/workflows": { "get": { "operationId": "listWorkflows", "summary": "Multi-tool workflows", "responses": { "200": { "description": "Workflow list.", "content": { "application/json": { "schema": { "type": "object" } } } } } } } }, "components": { "schemas": { "Problem": { "type": "object", "description": "RFC 9457 problem details. 422 responses include per-field `errors`.", "required": [ "type", "title", "status", "detail" ], "properties": { "type": { "type": "string" }, "title": { "type": "string" }, "status": { "type": "integer" }, "detail": { "type": "string" }, "code": { "type": "string" }, "errors": { "type": "array", "items": { "type": "object", "required": [ "field", "message" ], "properties": { "field": { "type": "string" }, "message": { "type": "string" } } } } } }, "FliplineExposureSheetInput": { "type": "object", "additionalProperties": false, "properties": { "holds": { "title": "Drawing holds (ticks, separated by commas)", "type": "string", "maxLength": 120, "default": "2,2,1,1,2,2" }, "fps": { "title": "Timeline frame rate (FPS)", "type": "integer", "minimum": 1, "maximum": 30, "default": 12 } }, "required": [] }, "FliplineExposureSheetResult": { "type": "object", "additionalProperties": false, "required": [ "schemaVersion", "tool", "computedAt", "inputs", "summary", "result", "units", "assumptions", "sources", "warnings", "presentation", "links" ], "properties": { "schemaVersion": { "type": "string", "const": "1.0" }, "tool": { "type": "object", "additionalProperties": false, "required": [ "id", "name", "version" ], "properties": { "id": { "type": "string" }, "name": { "type": "string" }, "version": { "type": "string" } } }, "computedAt": { "type": "string", "format": "date-time" }, "inputs": { "type": "object", "description": "Normalised inputs actually used, including applied defaults." }, "summary": { "type": "string" }, "result": { "type": "object", "additionalProperties": false, "required": [ "fps", "drawings", "ticks", "durationMs", "gifDurationMs", "frames" ], "properties": { "fps": { "type": "integer" }, "drawings": { "type": "integer" }, "ticks": { "type": "integer" }, "durationMs": { "type": "number" }, "gifDurationMs": { "type": "number" }, "frames": { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "drawing", "hold", "startTick", "endTick", "startMs", "durationMs", "gifDurationMs" ], "properties": { "drawing": { "type": "integer" }, "hold": { "type": "integer" }, "startTick": { "type": "integer" }, "endTick": { "type": "integer" }, "startMs": { "type": "number" }, "durationMs": { "type": "number" }, "gifDurationMs": { "type": "number" } } } } } }, "units": { "type": "object", "additionalProperties": { "type": "string" } }, "assumptions": { "type": "array", "items": { "type": "string" } }, "sources": { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "title" ], "properties": { "title": { "type": "string" }, "url": { "type": "string" }, "publisher": { "type": "string" }, "retrievedAt": { "type": "string" }, "note": { "type": "string" } } } }, "warnings": { "type": "array", "items": { "type": "string" } }, "presentation": { "type": "array", "items": { "type": "object" }, "description": "Display blocks used by the human page (same data)." }, "links": { "type": "object", "additionalProperties": false, "required": [ "human", "api", "openapi", "methodology" ], "properties": { "human": { "type": "string", "format": "uri" }, "api": { "type": "string", "format": "uri" }, "openapi": { "type": "string", "format": "uri" }, "methodology": { "type": "string", "format": "uri" } } } } }, "FliplineSpriteSheetInput": { "type": "object", "additionalProperties": false, "properties": { "count": { "title": "Drawing count", "type": "integer", "minimum": 1, "maximum": 24, "default": 12 }, "width": { "title": "Frame width (px)", "type": "integer", "minimum": 1, "maximum": 1600, "default": 256 }, "height": { "title": "Frame height (px)", "type": "integer", "minimum": 1, "maximum": 1600, "default": 256 }, "columns": { "title": "Columns", "type": "integer", "minimum": 1, "maximum": 24, "default": 4 }, "padding": { "title": "Padding (px)", "type": "integer", "minimum": 0, "maximum": 100, "default": 2 } }, "required": [] }, "FliplineSpriteSheetResult": { "type": "object", "additionalProperties": false, "required": [ "schemaVersion", "tool", "computedAt", "inputs", "summary", "result", "units", "assumptions", "sources", "warnings", "presentation", "links" ], "properties": { "schemaVersion": { "type": "string", "const": "1.0" }, "tool": { "type": "object", "additionalProperties": false, "required": [ "id", "name", "version" ], "properties": { "id": { "type": "string" }, "name": { "type": "string" }, "version": { "type": "string" } } }, "computedAt": { "type": "string", "format": "date-time" }, "inputs": { "type": "object", "description": "Normalised inputs actually used, including applied defaults." }, "summary": { "type": "string" }, "result": { "type": "object", "additionalProperties": false, "required": [ "width", "height", "columns", "rows", "slots" ], "properties": { "width": { "type": "integer" }, "height": { "type": "integer" }, "columns": { "type": "integer" }, "rows": { "type": "integer" }, "slots": { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "drawing", "x", "y", "width", "height" ], "properties": { "drawing": { "type": "integer" }, "x": { "type": "integer" }, "y": { "type": "integer" }, "width": { "type": "integer" }, "height": { "type": "integer" } } } } } }, "units": { "type": "object", "additionalProperties": { "type": "string" } }, "assumptions": { "type": "array", "items": { "type": "string" } }, "sources": { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "title" ], "properties": { "title": { "type": "string" }, "url": { "type": "string" }, "publisher": { "type": "string" }, "retrievedAt": { "type": "string" }, "note": { "type": "string" } } } }, "warnings": { "type": "array", "items": { "type": "string" } }, "presentation": { "type": "array", "items": { "type": "object" }, "description": "Display blocks used by the human page (same data)." }, "links": { "type": "object", "additionalProperties": false, "required": [ "human", "api", "openapi", "methodology" ], "properties": { "human": { "type": "string", "format": "uri" }, "api": { "type": "string", "format": "uri" }, "openapi": { "type": "string", "format": "uri" }, "methodology": { "type": "string", "format": "uri" } } } } }, "FliplineMotionStudyInput": { "type": "object", "additionalProperties": false, "properties": { "count": { "title": "Drawing count", "type": "integer", "minimum": 2, "maximum": 24, "default": 12 }, "fps": { "title": "Frame rate (FPS)", "type": "integer", "minimum": 1, "maximum": 30, "default": 12 }, "ease": { "title": "Spacing curve", "type": "string", "enum": [ "linear", "ease-in", "ease-out", "ease-in-out" ], "default": "ease-in-out" }, "fromX": { "title": "Start X (%)", "type": "number", "minimum": 8, "maximum": 92, "default": 15 }, "fromY": { "title": "Start Y (%)", "type": "number", "minimum": 8, "maximum": 92, "default": 50 }, "toX": { "title": "End X (%)", "type": "number", "minimum": 8, "maximum": 92, "default": 85 }, "toY": { "title": "End Y (%)", "type": "number", "minimum": 8, "maximum": 92, "default": 50 } }, "required": [] }, "FliplineMotionStudyResult": { "type": "object", "additionalProperties": false, "required": [ "schemaVersion", "tool", "computedAt", "inputs", "summary", "result", "units", "assumptions", "sources", "warnings", "presentation", "links" ], "properties": { "schemaVersion": { "type": "string", "const": "1.0" }, "tool": { "type": "object", "additionalProperties": false, "required": [ "id", "name", "version" ], "properties": { "id": { "type": "string" }, "name": { "type": "string" }, "version": { "type": "string" } } }, "computedAt": { "type": "string", "format": "date-time" }, "inputs": { "type": "object", "description": "Normalised inputs actually used, including applied defaults." }, "summary": { "type": "string" }, "result": { "type": "object", "additionalProperties": false, "required": [ "project" ], "properties": { "project": { "type": "object", "additionalProperties": false, "required": [ "format", "version", "name", "width", "height", "fps", "background", "transparent", "frames", "layers" ], "properties": { "format": { "const": "flipline" }, "version": { "const": 1 }, "name": { "type": "string", "maxLength": 120 }, "width": { "type": "integer", "minimum": 32, "maximum": 1600 }, "height": { "type": "integer", "minimum": 32, "maximum": 1600 }, "fps": { "type": "integer", "minimum": 1, "maximum": 30 }, "background": { "type": "string", "pattern": "^#[a-fA-F0-9]{6}$" }, "transparent": { "type": "boolean" }, "frames": { "type": "array", "minItems": 1, "maxItems": 24, "items": { "type": "object", "additionalProperties": false, "required": [ "id", "hold", "label" ], "properties": { "id": { "type": "string", "minLength": 1, "maxLength": 80 }, "hold": { "type": "integer", "minimum": 1, "maximum": 10 }, "label": { "type": "string", "maxLength": 80 } } } }, "layers": { "type": "array", "minItems": 1, "maxItems": 4, "items": { "type": "object", "additionalProperties": false, "required": [ "id", "name", "visible", "locked", "opacity", "cels" ], "properties": { "id": { "type": "string", "minLength": 1, "maxLength": 80 }, "name": { "type": "string", "maxLength": 80 }, "visible": { "type": "boolean" }, "locked": { "type": "boolean" }, "opacity": { "type": "number", "minimum": 0, "maximum": 1 }, "cels": { "type": "array", "minItems": 1, "maxItems": 24, "items": { "type": "array", "maxItems": 500, "items": { "type": "object", "additionalProperties": false, "required": [ "id", "kind", "points", "color", "size", "fill" ], "properties": { "id": { "type": "string", "minLength": 1, "maxLength": 80 }, "kind": { "enum": [ "pen", "eraser", "line", "rect", "ellipse", "image" ] }, "points": { "type": "array", "minItems": 1, "maxItems": 4096, "items": { "type": "array", "minItems": 2, "maxItems": 2, "items": { "type": "number", "minimum": 0, "maximum": 1 } } }, "color": { "type": "string", "pattern": "^#[a-fA-F0-9]{6}$" }, "size": { "type": "number", "minimum": 1, "maximum": 100 }, "fill": { "type": "boolean" }, "source": { "type": "string", "pattern": "^data:image/(png|jpeg|webp);base64,[A-Za-z0-9+/=]+$" }, "angle": { "type": "number", "minimum": -360, "maximum": 360, "description": "Clockwise rotation in degrees around the center of the mark bounds (normalized to -180…180)." }, "flipX": { "type": "boolean", "description": "Mirror horizontally around the mark center." }, "flipY": { "type": "boolean", "description": "Mirror vertically around the mark center." } } } } } } } } }, "description": "Normalized drawing coordinates. Each layer has one cel per frame. At most 2 MP canvas, 50000 points, 2000 marks and 8 million embedded source characters in total. Image/shape marks require two points; IDs are unique within their collection. Optional angle/flipX/flipY transform a mark around the center of its point bounds." } } }, "units": { "type": "object", "additionalProperties": { "type": "string" } }, "assumptions": { "type": "array", "items": { "type": "string" } }, "sources": { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "title" ], "properties": { "title": { "type": "string" }, "url": { "type": "string" }, "publisher": { "type": "string" }, "retrievedAt": { "type": "string" }, "note": { "type": "string" } } } }, "warnings": { "type": "array", "items": { "type": "string" } }, "presentation": { "type": "array", "items": { "type": "object" }, "description": "Display blocks used by the human page (same data)." }, "links": { "type": "object", "additionalProperties": false, "required": [ "human", "api", "openapi", "methodology" ], "properties": { "human": { "type": "string", "format": "uri" }, "api": { "type": "string", "format": "uri" }, "openapi": { "type": "string", "format": "uri" }, "methodology": { "type": "string", "format": "uri" } } } } }, "FliplinePixelQuantizerInput": { "type": "object", "additionalProperties": false, "properties": { "image": { "title": "Image (PNG, JPEG or WebP)", "type": "object", "description": "Upload as {filename, contentType?, contentBase64}. Max 3906 KiB. Accepts .png,.jpg,.jpeg,.webp.", "additionalProperties": false, "required": [ "filename", "contentBase64" ], "properties": { "filename": { "type": "string" }, "contentType": { "type": "string" }, "contentBase64": { "type": "string" } } }, "width": { "title": "Pixel canvas width", "type": "integer", "minimum": 1, "maximum": 128, "default": 32 }, "height": { "title": "Pixel canvas height", "type": "integer", "minimum": 1, "maximum": 128, "default": 32 }, "colors": { "title": "Automatic palette colors", "type": "integer", "minimum": 1, "maximum": 32, "default": 16 }, "palette": { "title": "Custom HEX, GPL or JASC-PAL palette (optional)", "type": "string", "maxLength": 16384, "default": "" }, "alpha": { "title": "Alpha threshold", "type": "integer", "minimum": 1, "maximum": 255, "default": 128 }, "scale": { "title": "PNG integer scale", "type": "integer", "minimum": 1, "maximum": 8, "default": 8 }, "fit": { "title": "Image fit", "type": "string", "enum": [ "stretch", "contain", "cover" ], "default": "stretch" }, "dither": { "title": "Dithering", "type": "string", "enum": [ "none", "bayer", "floyd" ], "default": "none" }, "strength": { "title": "Dither strength (%)", "type": "number", "minimum": 0, "maximum": 100, "default": 75 }, "brightness": { "title": "Brightness", "type": "number", "minimum": -100, "maximum": 100, "default": 0 }, "contrast": { "title": "Contrast", "type": "number", "minimum": -100, "maximum": 100, "default": 0 }, "gamma": { "title": "Gamma", "type": "number", "minimum": 0.2, "maximum": 3, "default": 1 }, "saturation": { "title": "Saturation (%)", "type": "number", "minimum": 0, "maximum": 200, "default": 100 }, "red": { "title": "Red shift (RGB units)", "type": "number", "minimum": -64, "maximum": 64, "default": 0 }, "green": { "title": "Green shift (RGB units)", "type": "number", "minimum": -64, "maximum": 64, "default": 0 }, "blue": { "title": "Blue shift (RGB units)", "type": "number", "minimum": -64, "maximum": 64, "default": 0 } }, "required": [ "image" ] }, "FliplinePixelQuantizerResult": { "type": "object", "additionalProperties": false, "required": [ "schemaVersion", "tool", "computedAt", "inputs", "summary", "result", "units", "assumptions", "sources", "warnings", "presentation", "links" ], "properties": { "schemaVersion": { "type": "string", "const": "1.0" }, "tool": { "type": "object", "additionalProperties": false, "required": [ "id", "name", "version" ], "properties": { "id": { "type": "string" }, "name": { "type": "string" }, "version": { "type": "string" } } }, "computedAt": { "type": "string", "format": "date-time" }, "inputs": { "type": "object", "description": "Normalised inputs actually used, including applied defaults." }, "summary": { "type": "string" }, "result": { "type": "object", "additionalProperties": false, "required": [ "width", "height", "palette", "artifact", "project", "recipe" ], "properties": { "width": { "type": "integer" }, "height": { "type": "integer" }, "palette": { "type": "array", "items": { "type": "string" } }, "artifact": { "type": "object", "additionalProperties": false, "required": [ "artifactId", "filename", "mime", "bytes", "sha256", "path" ], "properties": { "artifactId": { "type": "string" }, "filename": { "type": "string" }, "mime": { "type": "string" }, "bytes": { "type": "integer" }, "sha256": { "type": "string" }, "path": { "type": "string", "description": "Download path on the same site (valid for about 2 hours)." } } }, "project": { "type": "object", "additionalProperties": false, "required": [ "format", "version", "name", "width", "height", "fps", "background", "palette", "frames", "layers" ], "properties": { "format": { "const": "flipline-pixels" }, "version": { "const": 1 }, "name": { "type": "string", "maxLength": 120 }, "width": { "type": "integer", "minimum": 1, "maximum": 128 }, "height": { "type": "integer", "minimum": 1, "maximum": 128 }, "fps": { "type": "integer", "minimum": 1, "maximum": 30 }, "background": { "type": "string", "pattern": "^#[a-fA-F0-9]{6}$" }, "palette": { "type": "array", "minItems": 1, "maxItems": 32, "items": { "type": "string", "pattern": "^#[a-fA-F0-9]{6}$" } }, "frames": { "type": "array", "minItems": 1, "maxItems": 24, "items": { "type": "object", "additionalProperties": false, "required": [ "hold", "label" ], "properties": { "hold": { "type": "integer", "minimum": 1, "maximum": 10 }, "label": { "type": "string", "maxLength": 80 } } } }, "layers": { "type": "array", "minItems": 1, "maxItems": 4, "items": { "type": "object", "additionalProperties": false, "required": [ "name", "visible", "locked", "opacity", "cels" ], "properties": { "name": { "type": "string", "maxLength": 80 }, "visible": { "type": "boolean" }, "locked": { "type": "boolean" }, "opacity": { "type": "number", "minimum": 0, "maximum": 1 }, "cels": { "type": "array", "minItems": 1, "maxItems": 24, "items": { "type": "array", "minItems": 1, "maxItems": 16384, "items": { "type": "integer", "minimum": 0, "maximum": 32 } } } } } } }, "description": "Palette indices: 0 is transparent; 1–32 refer to palette entries. Every cel has width × height pixels and every layer has one cel per frame. Indices cannot exceed palette length. Maximum 524288 total stored cel pixels. Layers are front to back. Files: .flipline-pixels.json." }, "recipe": { "type": "object", "additionalProperties": false, "required": [ "format", "version", "settings" ], "properties": { "format": { "const": "flipline-retro" }, "version": { "const": 1 }, "settings": { "type": "object", "additionalProperties": false, "required": [ "width", "height", "scale", "fit", "colors", "palette", "dither", "strength", "brightness", "contrast", "gamma", "saturation", "red", "green", "blue", "alpha" ], "properties": { "width": { "type": "integer", "minimum": 1, "maximum": 128 }, "height": { "type": "integer", "minimum": 1, "maximum": 128 }, "scale": { "type": "integer", "minimum": 1, "maximum": 8 }, "fit": { "enum": [ "contain", "cover", "stretch" ] }, "colors": { "type": "integer", "minimum": 1, "maximum": 32 }, "palette": { "type": "array", "maxItems": 32, "items": { "type": "string", "pattern": "^#[a-fA-F0-9]{6}$" } }, "dither": { "enum": [ "none", "bayer", "floyd" ] }, "strength": { "type": "number", "minimum": 0, "maximum": 100 }, "brightness": { "type": "number", "minimum": -100, "maximum": 100 }, "contrast": { "type": "number", "minimum": -100, "maximum": 100 }, "gamma": { "type": "number", "minimum": 0.2, "maximum": 3 }, "saturation": { "type": "number", "minimum": 0, "maximum": 200 }, "red": { "type": "number", "minimum": -64, "maximum": 64 }, "green": { "type": "number", "minimum": -64, "maximum": 64 }, "blue": { "type": "number", "minimum": -64, "maximum": 64 }, "alpha": { "type": "integer", "minimum": 1, "maximum": 255 } } } }, "description": "A settings-only retro conversion recipe. No images are embedded. Empty palette selects frequent adjusted image colors; batch exports resolve it from the first image and share that palette. Dithering runs in native output pixel coordinates, independent of display zoom and export scale." } } }, "units": { "type": "object", "additionalProperties": { "type": "string" } }, "assumptions": { "type": "array", "items": { "type": "string" } }, "sources": { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "title" ], "properties": { "title": { "type": "string" }, "url": { "type": "string" }, "publisher": { "type": "string" }, "retrievedAt": { "type": "string" }, "note": { "type": "string" } } } }, "warnings": { "type": "array", "items": { "type": "string" } }, "presentation": { "type": "array", "items": { "type": "object" }, "description": "Display blocks used by the human page (same data)." }, "links": { "type": "object", "additionalProperties": false, "required": [ "human", "api", "openapi", "methodology" ], "properties": { "human": { "type": "string", "format": "uri" }, "api": { "type": "string", "format": "uri" }, "openapi": { "type": "string", "format": "uri" }, "methodology": { "type": "string", "format": "uri" } } } } }, "FliplinePixelTransformInput": { "type": "object", "additionalProperties": false, "properties": { "rows": { "title": "Pixel rows (. = transparent; 1–9 then A–W = palette entries)", "type": "string", "maxLength": 16640, "default": "..1..\n.121.\n12321\n.121.\n..1.." }, "palette": { "title": "HEX palette (comma separated)", "type": "string", "maxLength": 300, "default": "#213b45,#65a87b,#e6af61" }, "operation": { "title": "Operation", "type": "string", "enum": [ "flip-x", "flip-y", "rotate", "shift" ], "default": "rotate" }, "dx": { "title": "Shift X (pixels)", "type": "integer", "minimum": -128, "maximum": 128, "default": 1 }, "dy": { "title": "Shift Y (pixels)", "type": "integer", "minimum": -128, "maximum": 128, "default": 0 }, "wrap": { "title": "Wrap shifted pixels", "type": "boolean", "default": false } }, "required": [] }, "FliplinePixelTransformResult": { "type": "object", "additionalProperties": false, "required": [ "schemaVersion", "tool", "computedAt", "inputs", "summary", "result", "units", "assumptions", "sources", "warnings", "presentation", "links" ], "properties": { "schemaVersion": { "type": "string", "const": "1.0" }, "tool": { "type": "object", "additionalProperties": false, "required": [ "id", "name", "version" ], "properties": { "id": { "type": "string" }, "name": { "type": "string" }, "version": { "type": "string" } } }, "computedAt": { "type": "string", "format": "date-time" }, "inputs": { "type": "object", "description": "Normalised inputs actually used, including applied defaults." }, "summary": { "type": "string" }, "result": { "type": "object", "additionalProperties": false, "required": [ "width", "height", "rows", "project" ], "properties": { "width": { "type": "integer" }, "height": { "type": "integer" }, "rows": { "type": "array", "items": { "type": "string" } }, "project": { "type": "object", "additionalProperties": false, "required": [ "format", "version", "name", "width", "height", "fps", "background", "palette", "frames", "layers" ], "properties": { "format": { "const": "flipline-pixels" }, "version": { "const": 1 }, "name": { "type": "string", "maxLength": 120 }, "width": { "type": "integer", "minimum": 1, "maximum": 128 }, "height": { "type": "integer", "minimum": 1, "maximum": 128 }, "fps": { "type": "integer", "minimum": 1, "maximum": 30 }, "background": { "type": "string", "pattern": "^#[a-fA-F0-9]{6}$" }, "palette": { "type": "array", "minItems": 1, "maxItems": 32, "items": { "type": "string", "pattern": "^#[a-fA-F0-9]{6}$" } }, "frames": { "type": "array", "minItems": 1, "maxItems": 24, "items": { "type": "object", "additionalProperties": false, "required": [ "hold", "label" ], "properties": { "hold": { "type": "integer", "minimum": 1, "maximum": 10 }, "label": { "type": "string", "maxLength": 80 } } } }, "layers": { "type": "array", "minItems": 1, "maxItems": 4, "items": { "type": "object", "additionalProperties": false, "required": [ "name", "visible", "locked", "opacity", "cels" ], "properties": { "name": { "type": "string", "maxLength": 80 }, "visible": { "type": "boolean" }, "locked": { "type": "boolean" }, "opacity": { "type": "number", "minimum": 0, "maximum": 1 }, "cels": { "type": "array", "minItems": 1, "maxItems": 24, "items": { "type": "array", "minItems": 1, "maxItems": 16384, "items": { "type": "integer", "minimum": 0, "maximum": 32 } } } } } } }, "description": "Palette indices: 0 is transparent; 1–32 refer to palette entries. Every cel has width × height pixels and every layer has one cel per frame. Indices cannot exceed palette length. Maximum 524288 total stored cel pixels. Layers are front to back. Files: .flipline-pixels.json." } } }, "units": { "type": "object", "additionalProperties": { "type": "string" } }, "assumptions": { "type": "array", "items": { "type": "string" } }, "sources": { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "title" ], "properties": { "title": { "type": "string" }, "url": { "type": "string" }, "publisher": { "type": "string" }, "retrievedAt": { "type": "string" }, "note": { "type": "string" } } } }, "warnings": { "type": "array", "items": { "type": "string" } }, "presentation": { "type": "array", "items": { "type": "object" }, "description": "Display blocks used by the human page (same data)." }, "links": { "type": "object", "additionalProperties": false, "required": [ "human", "api", "openapi", "methodology" ], "properties": { "human": { "type": "string", "format": "uri" }, "api": { "type": "string", "format": "uri" }, "openapi": { "type": "string", "format": "uri" }, "methodology": { "type": "string", "format": "uri" } } } } }, "FliplinePaletteConverterInput": { "type": "object", "additionalProperties": false, "properties": { "text": { "title": "Palette text (HEX, GIMP GPL or JASC-PAL)", "type": "string", "maxLength": 16384, "default": "#172c2f, #416350, #93ab69, #e3e6b1" }, "name": { "title": "Palette name", "type": "string", "maxLength": 80, "default": "My pixel palette" } }, "required": [] }, "FliplinePaletteConverterResult": { "type": "object", "additionalProperties": false, "required": [ "schemaVersion", "tool", "computedAt", "inputs", "summary", "result", "units", "assumptions", "sources", "warnings", "presentation", "links" ], "properties": { "schemaVersion": { "type": "string", "const": "1.0" }, "tool": { "type": "object", "additionalProperties": false, "required": [ "id", "name", "version" ], "properties": { "id": { "type": "string" }, "name": { "type": "string" }, "version": { "type": "string" } } }, "computedAt": { "type": "string", "format": "date-time" }, "inputs": { "type": "object", "description": "Normalised inputs actually used, including applied defaults." }, "summary": { "type": "string" }, "result": { "type": "object", "additionalProperties": false, "required": [ "format", "colors", "hex", "gpl", "jasc" ], "properties": { "format": { "type": "string" }, "colors": { "type": "array", "items": { "type": "string" } }, "hex": { "type": "string" }, "gpl": { "type": "string" }, "jasc": { "type": "string" } } }, "units": { "type": "object", "additionalProperties": { "type": "string" } }, "assumptions": { "type": "array", "items": { "type": "string" } }, "sources": { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "title" ], "properties": { "title": { "type": "string" }, "url": { "type": "string" }, "publisher": { "type": "string" }, "retrievedAt": { "type": "string" }, "note": { "type": "string" } } } }, "warnings": { "type": "array", "items": { "type": "string" } }, "presentation": { "type": "array", "items": { "type": "object" }, "description": "Display blocks used by the human page (same data)." }, "links": { "type": "object", "additionalProperties": false, "required": [ "human", "api", "openapi", "methodology" ], "properties": { "human": { "type": "string", "format": "uri" }, "api": { "type": "string", "format": "uri" }, "openapi": { "type": "string", "format": "uri" }, "methodology": { "type": "string", "format": "uri" } } } } }, "FliplineRetroBatchInput": { "type": "object", "additionalProperties": false, "properties": { "images": { "title": "ZIP of PNG, JPEG or WebP images", "type": "object", "description": "Upload as {filename, contentType?, contentBase64}. Max 15625 KiB. Accepts .zip.", "additionalProperties": false, "required": [ "filename", "contentBase64" ], "properties": { "filename": { "type": "string" }, "contentType": { "type": "string" }, "contentBase64": { "type": "string" } } }, "width": { "title": "Pixel canvas width", "type": "integer", "minimum": 1, "maximum": 128, "default": 32 }, "height": { "title": "Pixel canvas height", "type": "integer", "minimum": 1, "maximum": 128, "default": 32 }, "colors": { "title": "Automatic palette colors", "type": "integer", "minimum": 1, "maximum": 32, "default": 16 }, "palette": { "title": "Custom HEX, GPL or JASC-PAL palette (optional)", "type": "string", "maxLength": 16384, "default": "" }, "alpha": { "title": "Alpha threshold", "type": "integer", "minimum": 1, "maximum": 255, "default": 128 }, "scale": { "title": "PNG integer scale", "type": "integer", "minimum": 1, "maximum": 8, "default": 8 }, "fit": { "title": "Image fit", "type": "string", "enum": [ "stretch", "contain", "cover" ], "default": "stretch" }, "dither": { "title": "Dithering", "type": "string", "enum": [ "none", "bayer", "floyd" ], "default": "none" }, "strength": { "title": "Dither strength (%)", "type": "number", "minimum": 0, "maximum": 100, "default": 75 }, "brightness": { "title": "Brightness", "type": "number", "minimum": -100, "maximum": 100, "default": 0 }, "contrast": { "title": "Contrast", "type": "number", "minimum": -100, "maximum": 100, "default": 0 }, "gamma": { "title": "Gamma", "type": "number", "minimum": 0.2, "maximum": 3, "default": 1 }, "saturation": { "title": "Saturation (%)", "type": "number", "minimum": 0, "maximum": 200, "default": 100 }, "red": { "title": "Red shift (RGB units)", "type": "number", "minimum": -64, "maximum": 64, "default": 0 }, "green": { "title": "Green shift (RGB units)", "type": "number", "minimum": -64, "maximum": 64, "default": 0 }, "blue": { "title": "Blue shift (RGB units)", "type": "number", "minimum": -64, "maximum": 64, "default": 0 } }, "required": [ "images" ] }, "FliplineRetroBatchResult": { "type": "object", "additionalProperties": false, "required": [ "schemaVersion", "tool", "computedAt", "inputs", "summary", "result", "units", "assumptions", "sources", "warnings", "presentation", "links" ], "properties": { "schemaVersion": { "type": "string", "const": "1.0" }, "tool": { "type": "object", "additionalProperties": false, "required": [ "id", "name", "version" ], "properties": { "id": { "type": "string" }, "name": { "type": "string" }, "version": { "type": "string" } } }, "computedAt": { "type": "string", "format": "date-time" }, "inputs": { "type": "object", "description": "Normalised inputs actually used, including applied defaults." }, "summary": { "type": "string" }, "result": { "type": "object", "additionalProperties": false, "required": [ "artifact", "files", "recipe" ], "properties": { "artifact": { "type": "object", "additionalProperties": false, "required": [ "artifactId", "filename", "mime", "bytes", "sha256", "path" ], "properties": { "artifactId": { "type": "string" }, "filename": { "type": "string" }, "mime": { "type": "string" }, "bytes": { "type": "integer" }, "sha256": { "type": "string" }, "path": { "type": "string", "description": "Download path on the same site (valid for about 2 hours)." } } }, "files": { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "name", "source", "width", "height" ], "properties": { "name": { "type": "string" }, "source": { "type": "string" }, "width": { "type": "integer" }, "height": { "type": "integer" } } } }, "recipe": { "type": "object", "additionalProperties": false, "required": [ "format", "version", "settings" ], "properties": { "format": { "const": "flipline-retro" }, "version": { "const": 1 }, "settings": { "type": "object", "additionalProperties": false, "required": [ "width", "height", "scale", "fit", "colors", "palette", "dither", "strength", "brightness", "contrast", "gamma", "saturation", "red", "green", "blue", "alpha" ], "properties": { "width": { "type": "integer", "minimum": 1, "maximum": 128 }, "height": { "type": "integer", "minimum": 1, "maximum": 128 }, "scale": { "type": "integer", "minimum": 1, "maximum": 8 }, "fit": { "enum": [ "contain", "cover", "stretch" ] }, "colors": { "type": "integer", "minimum": 1, "maximum": 32 }, "palette": { "type": "array", "maxItems": 32, "items": { "type": "string", "pattern": "^#[a-fA-F0-9]{6}$" } }, "dither": { "enum": [ "none", "bayer", "floyd" ] }, "strength": { "type": "number", "minimum": 0, "maximum": 100 }, "brightness": { "type": "number", "minimum": -100, "maximum": 100 }, "contrast": { "type": "number", "minimum": -100, "maximum": 100 }, "gamma": { "type": "number", "minimum": 0.2, "maximum": 3 }, "saturation": { "type": "number", "minimum": 0, "maximum": 200 }, "red": { "type": "number", "minimum": -64, "maximum": 64 }, "green": { "type": "number", "minimum": -64, "maximum": 64 }, "blue": { "type": "number", "minimum": -64, "maximum": 64 }, "alpha": { "type": "integer", "minimum": 1, "maximum": 255 } } } }, "description": "A settings-only retro conversion recipe. No images are embedded. Empty palette selects frequent adjusted image colors; batch exports resolve it from the first image and share that palette. Dithering runs in native output pixel coordinates, independent of display zoom and export scale." } } }, "units": { "type": "object", "additionalProperties": { "type": "string" } }, "assumptions": { "type": "array", "items": { "type": "string" } }, "sources": { "type": "array", "items": { "type": "object", "additionalProperties": false, "required": [ "title" ], "properties": { "title": { "type": "string" }, "url": { "type": "string" }, "publisher": { "type": "string" }, "retrievedAt": { "type": "string" }, "note": { "type": "string" } } } }, "warnings": { "type": "array", "items": { "type": "string" } }, "presentation": { "type": "array", "items": { "type": "object" }, "description": "Display blocks used by the human page (same data)." }, "links": { "type": "object", "additionalProperties": false, "required": [ "human", "api", "openapi", "methodology" ], "properties": { "human": { "type": "string", "format": "uri" }, "api": { "type": "string", "format": "uri" }, "openapi": { "type": "string", "format": "uri" }, "methodology": { "type": "string", "format": "uri" } } } } } } } }