x402-api

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About

DeFi data API for AI agents — pay-per-call via x402/USDC on Base

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

Transportstdio (runs a local command)

Env varsX402_API_BASE_URL

Claude Code

claude mcp add --env X402_API_BASE_URL= x402-api -- npx @x402-api/mcp-server

Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code

code --add-mcp '{"name":"x402-api","command":"npx","args":["@x402-api/mcp-server"],"env":{"X402_API_BASE_URL":""}}'

JSON

{
  "mcpServers": {
    "x402-api": {
      "command": "npx",
      "args": [
        "@x402-api/mcp-server"
      ],
      "env": {
        "X402_API_BASE_URL": ""
      }
    }
  }
}

Environment variables are listed by name only — fill in your own values. Entries never carry secrets.