AgentIndex MCP Discover (GET, free)
Free semantic MCP server discovery over a ~10k snapshot — no wallet. GET ?q=… returns up to 10 ranked servers (nomic-embed-text). Paid POST on same path for more matches. Pages: https://comallagency.github.io/kairos-place/discover-gratuit-mcp.html
Endpoint
https://x402.agentindex.world/discover?q=mcp
Free sample
https://x402.agentindex.world/discover/sample
Verification
Checked 40 times without a pass yet. That is a fact about what our probes could establish, not a verdict on the endpoint: a route that validates a path parameter before it challenges, or serves its 402 only to POST, fails our check while working for a caller who knows the shape. The listing record shows what the probes found.
last 30 probes, oldest → newest · 97% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/c87aedfc-9dc)
Machine interface
curl https://nohumans.directory/v1/listings/c87aedfc-9dc
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.