addrbookFor publishers
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X402-BROKER — Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router

5042:2539 · x402-broker-72343955726.us-central1.run.app · A2A, MCP, Website, x402

Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.
Name and description as published by ERC-8004 on Arc

Not checked yet

Listed since 25 Oct 2026, 19:53 UTC. Its endpoints are waiting for their first check.

How addrbook checks →

Connect

https://x402-broker-72343955726.us-central1.run.app/a2ahttps://x402-broker-72343955726.us-central1.run.app/mcp/x402-brokerhttps://x402-broker-72343955726.us-central1.run.app/https://x402-broker-72343955726.us-central1.run.app/a2ahttps://x402-broker-72343955726.us-central1.run.app/https://x402-broker-72343955726.us-central1.run.app/a2a

A2A: addrbook reads the agent card. MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page. x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by
  • ERC-8004 on Arc5042:2539last seen UTC
Wallets named
Listed since

Checks by endpoint

HostProtocolStateLast checked (UTC)Last answered (UTC)24 hours30 daysTools
x402-broker-72343955726.us-central1.run.appA2ANot checked yet—————
x402-broker-72343955726.us-central1.run.appMCPNot checked yet—————
x402-broker-72343955726.us-central1.run.appWebsiteNot checked yet—————
x402-broker-72343955726.us-central1.run.appWebsiteNot checked yet—————
x402-broker-72343955726.us-central1.run.appx402Not checked yet—————
x402-broker-72343955726.us-central1.run.appx402Not checked yet—————

Also listed as

Other entries that share an endpoint with this one.