"Setting Up or Using an MQTT Server" matching MCP connectors:
Matching Connector Tools:
Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.
Check an MCP endpoint resolves: liveness, live tool list, schema drift. Free.
Verify x402 endpoints before payment or publish service profiles for agent discovery.
Cloudflare Workers MCP server: api-contract-validator
Cloudflare Workers MCP server: api-schema-drift-detector
Cloudflare Workers MCP server: interactive-api-playground
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
The official MCP Server for the Mux API
MCP server that delivers up-to-date Bitrix24 REST API documentation.
An MCP server that provides tools to validate an email address using Dilli Email Validation API.
Swagger Petstore API (v1.0.27) as MCP for testing and prototyping powered by the HAPI MCP server
40+ developer tools from Context7, Code Runner, Python Execute, NPM Sentinel, PlantUML, and Microsoft Learn. Docs lookup, code execution, security scanning. Starts at $0.01/call. Get your API key at app.xpay.sh or xpay.tools
MCP server and REST API for querying OpenAPI specs. Endpoint-level extraction, schema resolution, 100+ APIs indexed.
A basic MCP server to operate on the Postman API.
Simceptor is an AI-native Mock API simulation platform with a built-in MCP server. It enables AI agents to create, inspect, update, and test dynamic mock APIs, conditional response rules, stateful session simulations, and network latency directly from context.
AI-native mock API server with MCP. Create REST/SOAP mocks from Claude, Cursor, or Windsurf.
MCP server (stdio): lint OpenAPI specs with Spectral via the AgentForge API