"Remote MCP Server Registry/Index" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
SqueezeOS MCP for x402-paid USDC APIs on Base. Flagship read settle-proven 2026-11-02 (SELF-PROOF).
Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP.
Registry Rot Watch: liveness + successor-contract verdicts for MCP endpoints.
Remote MCP that evaluates one public HTTPS URL for WebMCP readiness: intent, tools observed, what to add, what never to expose.
Census and digest-verify a remote MCP server's loadable skills per host persona.
Score any remote MCP server for Claude, ChatGPT, Gemini and MCP Registry readiness.
npm MCP — wraps the npm Registry API (free, no auth)
{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
MCP tool observatory: do registry servers answer, and are their answers true? No key.
Remote MCP for 1,500+ APIs. Vault-managed credentials; OAuth or API key. Search, load, and execute.
chaos-index MCP — wraps StupidAPIs (keyless — no credential needed)
Hands-on test results for 560+ remote MCP connectors: does it work, how to sign in, what breaks.
Check an MCP endpoint resolves: liveness, live tool list, schema drift. Free.
MCP compatibility and transport verification server.
MCP compatibility and transport verification server.
MCP compatibility and transport verification server.
MCP compatibility and transport verification server.
MCP compatibility and transport verification server.
Minimal streamable HTTP MCP server used for owned-account registry connectivity tests.
A paid remote MCP for developer endpoint scanner MCP, built to return verdicts, receipts, usage logs