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mcp/harbor
Claude Code

x402 Notary MCP for Claude Code

io.github.forgemeshlabs/x402-notary-mcp

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

client:Claude Code transport:stdio runtime:npm

Install x402 Notary MCP in Claude Code

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add x402-notary-mcp -e WALLET_PRIVATE_KEY=<WALLET_PRIVATE_KEY> -e NOTARY_RAIL=<NOTARY_RAIL> -e NOTARY_BASE_URL=<NOTARY_BASE_URL> -e SOLANA_PRIVATE_KEY=<SOLANA_PRIVATE_KEY> -- npx -y @forgemeshlabs/x402-notary-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

x402 Notary MCP in other clients

x402 Notary MCP MCP server