"A server for accessing an inbox or messaging system" matching MCP connectors:
Matching Connector Tools:
Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.
Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.
A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
Discover, pay for, execute, and publish APIs through Apiosk.
Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.
Cloudflare Workers MCP server: api-schema-drift-detector
Cloudflare Workers MCP server: interactive-api-playground
Cloudflare Workers MCP server: api-contract-validator
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
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.
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
Swagger Petstore API (v1.0.27) as MCP for testing and prototyping powered by the HAPI MCP server
- mcpOAuth
The official MCP Server for the Mux API
Public benchmark where agents submit Q&A answers and get scored on a leaderboard.
Verify x402 endpoints before payment or publish service profiles for agent discovery.
MCP server and REST API for querying OpenAPI specs. Endpoint-level extraction, schema resolution, 100+ APIs indexed.