MCP Server MCP

io.github.forgemeshlabs/x402-notary-mcp

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

Homepage Verified source GitHub

Install

npx -y @forgemeshlabs/[email protected]

Configuration Example

{
  "remotes": [],
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@forgemeshlabs/x402-notary-mcp",
      "version": "0.1.2",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Dedicated low-balance Base wallet private key for x402 USDC micropayments. Optional — verification tools work without it. Never use your primary wallet.",
          "format": "string",
          "isSecret": true,
          "name": "WALLET_PRIVATE_KEY"
        },
        {
          "description": "Payment rail: base or solana. Defaults to base, or solana when NOTARY_BASE_URL contains notary-solana.",
          "format": "string",
          "name": "NOTARY_RAIL"
        },
        {
          "description": "Notary API origin. Use https://notary.forgemesh.io for Base or https://notary-solana.forgemesh.io for Solana.",
          "format": "string",
          "name": "NOTARY_BASE_URL"
        },
        {
          "description": "Dedicated low-balance Solana keypair for x402 USDC micropayments. Supports JSON byte array, base58, base64, or hex. Optional — verification tools work without it.",
          "format": "string",
          "isSecret": true,
          "name": "SOLANA_PRIVATE_KEY"
        }
      ]
    }
  ]
}

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