x402 Notary MCP

io.github.forgemeshlabs/x402-notary-mcp

Cryptographic receipts for AI outputs on Base or Solana via x402.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "x402-notary-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@forgemeshlabs/x402-notary-mcp@0.1.12"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<your WALLET_PRIVATE_KEY>"
      }
    }
  }
}
Environment variables
  • WALLET_PRIVATE_KEYsecretDedicated low-balance Base wallet private key for x402 USDC micropayments. Optional — verification tools work without it. Never use your primary wallet.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.1.12
Registry
active
Published
11/2/2026

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