"A search for Facebook" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.
Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.
Discover, pay for, execute, and publish APIs through Apiosk.
Guide developers from setup through a verified, policy-aware, audited Alter API call.
Webhook capture bins for agents: get a URL, wait for webhooks, set replies, verify signatures.
SqueezeOS MCP for live machine discovery and x402-paid USDC APIs on Base.
Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.
Read-only ArcadeOps discovery for developer docs, OAuth, OpenAPI and synthetic sandbox.
Point Claude Code, Qwen Code, Cursor, or any MCP client at https://docs.jmeter.ai/api/mcp and your agent answers JMeter questions grounded in this documentation, with a source link for every answer. Free, no API key, no signup.
Search the JoJ API marketplace, read endpoint docs, and call any API with one key via one gateway.
Ephemeral mailboxes and a mock OAuth IdP for testing email and auth flows — 39 API-driven tools covering mailboxes, mails, attachments, domains, teams, and mock identities.
Anonymous webhook capture, inspection, waiting, and response configuration for AI agents.
Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.
Verify x402 endpoints before payment or publish service profiles for agent discovery.
Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.
API governance for AI agents. Detects breaking changes, scores blast radius, blocks unsafe calls.
Remote MCP for 1,500+ APIs. Vault-managed credentials; OAuth or API key. Search, load, and execute.
The official MCP Server for the Mux API
Swagger Petstore API (v1.0.27) as MCP for testing and prototyping powered by the HAPI MCP server