{"schema_version":"1.0","name":"callable","description":"Score any API's documentation for agent-readiness. Analyzes OpenAPI specs, MCP manifests, SKILL.md files, and HTML docs across 6 categories and returns a letter grade from A+ to F.","url":"https://www.callable-ai.com/api/mcp","transport":"streamable-http","tools":[{"name":"score_api","description":"Score an API's documentation for agent-readiness. Provide a URL to an OpenAPI spec, MCP manifest, SKILL.md, or documentation page. Returns a detailed grade breakdown across 6 categories.","inputSchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"URL of the API documentation to score (e.g. https://api.example.com/openapi.json)"}}}},{"name":"get_score","description":"Retrieve a previously computed score by its ID. Returns the full score breakdown including all categories, grade, and claim information.","inputSchema":{"type":"object","required":["id"],"properties":{"id":{"type":"string","description":"Score ID (returned from score_api)"}}}},{"name":"get_leaderboard","description":"Get the API leaderboard, ranked by overall documentation score. Supports pagination and sorting.","inputSchema":{"type":"object","properties":{"sort":{"type":"string","enum":["score","recent"],"description":"Sort order (default: score)"},"limit":{"type":"number","description":"Max rows to return (default: 200, max: 500)"},"offset":{"type":"number","description":"Offset for pagination (default: 0)"}}}},{"name":"get_score_history","description":"Get the scoring history for an API over time. Useful for tracking how documentation quality changes across rescans.","inputSchema":{"type":"object","required":["id"],"properties":{"id":{"type":"string","description":"Score ID to get history for"}}}}]}