Search 15K+ MCP services, A2A agents, and x402 APIs from 5 registries. Paid via x402 (USDC on Base).
io.github.agentndx/agentindex
https://agentndx-production.up.railway.app
HTTP
No auth required
Hosted endpoint — paste into any MCP client.
Where to find authoritative docs and source for AgentIndex.
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