{
  "openapi": "3.1.0",
  "info": {
    "title": "GM Studio agent API",
    "version": "0.1.0-preview",
    "description": "Read the catalog or use the stateless MCP JSON-RPC endpoint. Model documents are not retained. Geometry exports cover the documented starter subset and need validation with the intended OpenMC release."
  },
  "servers": [{ "url": "https://gm.keff.uk" }],
  "paths": {
    "/api/models.json": {
      "get": {
        "operationId": "listModels",
        "summary": "List starter models and benchmark source notes",
        "responses": { "200": { "description": "Catalog and limitations", "content": { "application/json": { "schema": { "type": "object" } } } } }
      }
    },
    "/api/mcp": {
      "get": {
        "operationId": "describeMcpServer",
        "summary": "Read the server endpoint description",
        "responses": { "200": { "description": "Endpoint metadata", "content": { "application/json": { "schema": { "type": "object" } } } } }
      },
      "post": {
        "operationId": "callMcp",
        "summary": "Send a stateless MCP JSON-RPC request",
        "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/JsonRpcRequest" } } } },
        "responses": { "200": { "description": "JSON-RPC response", "content": { "application/json": { "schema": { "type": "object" } } } }, "202": { "description": "Notification accepted" }, "400": { "description": "Invalid request" }, "405": { "description": "Method not allowed" } }
      }
    }
  },
  "components": { "schemas": { "JsonRpcRequest": { "type": "object", "required": ["jsonrpc", "method"], "properties": { "jsonrpc": { "const": "2.0" }, "id": { "type": ["string", "number", "null"] }, "method": { "type": "string" }, "params": { "type": "object" } } } } }
}