x402 Notary MCP

Package (npm 0.1.8)

npx -y @forgemeshlabs/[email protected]

Or add to your MCP client config:

{
  "mcpServers": {
    "x402-notary-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@forgemeshlabs/[email protected]"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<YOUR_VALUE>",
        "NOTARY_RAIL": "<YOUR_VALUE>",
        "NOTARY_BASE_URL": "<YOUR_VALUE>",
        "SOLANA_PRIVATE_KEY": "<YOUR_VALUE>"
      }
    }
  }
}

• WALLET_PRIVATE_KEY secret — Dedicated low-balance Base wallet private key for x402 USDC micropayments. Optional — verification tools work without it. Never use your primary wallet.
• NOTARY_RAIL — Payment rail: base or solana. Defaults to base, or solana when NOTARY_BASE_URL contains notary-solana.
• NOTARY_BASE_URL — Notary API origin. Use https://notary.forgemesh.io for Base or https://notary-solana.forgemesh.io for Solana.
• SOLANA_PRIVATE_KEY secret — Dedicated low-balance Solana keypair for x402 USDC micropayments. Supports JSON byte array, base58, base64, or hex. Optional — verification tools work without it.