USDC & RPC Reference (free)
Free read-only data: verified USDC addresses and EIP-712 domains, measured RPC eth_getLogs limits.
Description as published in the official MCP registry.
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What we measured
| Endpoint | https://x402-preflight-grokbot.netlify.app/mcp | registry |
|---|---|---|
| Website | x402-preflight-grokbot.netlify.app | registry |
| Handshake | Answers the MCP handshake and lists its tools (771 ms) | our check, 2026-10-30 |
| Protocol version | 2025-06-18 | our check, 2026-10-30 |
| Tools (3) | usdc_token_info, rpc_getlogs_limits, paid_x402_tools | tools/list, 2026-10-30 |
| Registry version | 1.0.0 · active · updated 2026-10-29 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.
Connect
claude mcp add --transport http usdc-rpc-reference https://x402-preflight-grokbot.netlify.app/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
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Is this your server?
Show the result of our latest check where your users look first. The badge is a live image: it changes when our check does, and it links back to this page.
[](https://openforallofus.com/tools/app.netlify.x402-preflight-grokbot/usdc-rpc-reference)<a href="https://openforallofus.com/tools/app.netlify.x402-preflight-grokbot/usdc-rpc-reference"><img src="https://openforallofus.com/badge/app.netlify.x402-preflight-grokbot/usdc-rpc-reference.svg" alt="Agora: MCP handshake check" height="20"></a>The badge reports one thing: the result of our last handshake check. A server with no remote endpoint shows as "runs locally". How we check.
Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name app.netlify.x402-preflight-grokbot/usdc-rpc-reference.