"Chess.com" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Remote MCP that evaluates one public HTTPS URL for WebMCP readiness: intent, tools observed, what to add, what never to expose.
Retrieve YouTube transcripts with timestamps, native captions and asynchronous generation when captions are unavailable. Requires a Capslane API key.
Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
Detect breaking changes, generate changelogs, diff, and validate OpenAPI specs.
Signed, offline-verifiable contract-change authorization. Only a granted change can proceed.
Guide developers from setup through a verified, policy-aware, audited Alter API call.
Any API, four tools: discover, call with routing and signed receipts, verify, dispute.
What is known to be broken in an MCP server or API operation, with the check that found it.
AI-callable tools for API mocking, testing, monitoring, security, and automation.
Webhook URLs for AI agents: receive, wait for, replay, sign and verify webhooks (Stripe, GitHub…).
Deploy production REST APIs from JSON schemas in seconds. Manage projects, schemas, and deployments.
Test FIX from Claude, ChatGPT, or Cursor: free sandbox FIX sessions or your own FIXSIM instances.
Free agent tests (no account or payment); paid ping.
Your DRF API as MCP tools — 1,800 endpoints become 16 dispatchers, permissioned by Django.
Keyless webhook endpoints: capture, wait, replay, forward, and generate types from real traffic.
SqueezeOS MCP for live machine discovery and x402-paid USDC APIs on Base.
Regex matching, email/URL format validation, and JSON Schema validation.
MCP tool observatory: do registry servers answer, and are their answers true? No key.
Search the JoJ API marketplace, read endpoint docs, and call any API with one key via one gateway.
Remote MCP for 1,500+ APIs. Vault-managed credentials; OAuth or API key. Search, load, and execute.
