How do I install x402 Notary MCP?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is x402 Notary MCP official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 13 (Limited). The formula is published on the methodology page.

MCPpedia

x402 Notary MCP MCP Server | MCPpedia

x402 Notary MCP MCP Server

Name: x402 Notary MCP MCP Server
Author: forgemeshlabs

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

Tools Versions Alternatives

Registryforgemeshlabs

13Limited

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "forgemeshlabs-x402-notary-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@forgemeshlabs/x402-notary-mcp@0.1.10"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "YOUR_WALLET_PRIVATE_KEY",
        "NOTARY_RAIL": ""
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
WALLET_PRIVATE_KEY	No	Dedicated low-balance Base wallet private key for x402 USDC micropayments. Optional — verification tools work without it. Never use your primary wallet. Secret.
NOTARY_RAIL	No	Payment rail: base or solana. Defaults to base, or solana when NOTARY_BASE_URL contains notary-solana.

x402 Notary MCP MCP Server

Install

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