openapi: 3.1.0 info: title: Mastra Server REST Agents Tools API version: v1 description: 'REST routes exposed by a Mastra server for agents, workflows, tools, memory, vectors, MCP servers, the Responses API, the Conversations API, and observability (logs and telemetry traces). ' contact: name: Mastra url: https://mastra.ai servers: - url: http://localhost:4111 description: Default local Mastra dev server - url: https://{host} description: Self-hosted or Mastra Cloud deployment variables: host: default: your-mastra-host.example.com security: - BearerAuth: [] tags: - name: Tools paths: /api/tools: get: summary: List tools operationId: listTools responses: '200': description: Tools. tags: - Tools /api/tools/{toolId}: get: summary: Get a tool operationId: getTool parameters: - $ref: '#/components/parameters/ToolId' responses: '200': description: Tool details. tags: - Tools /api/tools/{toolId}/execute: post: summary: Execute a tool operationId: executeTool parameters: - $ref: '#/components/parameters/ToolId' requestBody: required: true content: application/json: schema: type: object responses: '200': description: Execution result. tags: - Tools components: parameters: ToolId: in: path name: toolId required: true schema: type: string securitySchemes: BearerAuth: type: http scheme: bearer description: 'Mastra API key passed as `Authorization: Bearer {api_key}`. Local dev servers may not require authentication. '