45 pay-per-call AI agent tools + wallet-owned agent memory. Scraping, SEO, lint, crypto. x402 USDC
To add webbersites-x402-mcp to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 2 environment variables, listed below.
Install
npx -y webbersites-x402-mcp@0.3.0Environment variables
EVM_PRIVATE_KEYSet in your MCP configX402_MAX_PRICESet in your MCP configInstall with your client
claude mcp add webbersites-x402 --env EVM_PRIVATE_KEY=<YOUR_EVM_PRIVATE_KEY> --env X402_MAX_PRICE=<YOUR_X402_MAX_PRICE> -- npx -y webbersites-x402-mcp@0.3.0
Run this in a terminal to add the server to Claude Code.
What this does
webbersites-x402-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
EVM_PRIVATE_KEY X402_MAX_PRICE
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install webbersites-x402-mcp?
Run the Claude Code command in the install section to add webbersites-x402-mcp to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with webbersites-x402-mcp?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to webbersites-x402-mcp as well.
Does webbersites-x402-mcp need an API key?
Yes. Before it can run, set these environment variables: EVM_PRIVATE_KEY, X402_MAX_PRICE. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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