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mcp/harbor
Verified official

pay mcp MCP

v0.7.1

tech.vauban/pay-mcp

x402 tools for MCP clients: pay exact/Starknet or STARK-receipt 402s, verify, JCS-hash. No account.

transport:stdio runtime:npm

Target client

run in your project directory

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

claude mcp add pay-mcp -e STARKNET_RPC_URL=<STARKNET_RPC_URL> -e PAY_MCP_SEPOLIA_ACCOUNT_ADDRESS=<PAY_MCP_SEPOLIA_ACCOUNT_ADDRESS> -e PAY_MCP_SEPOLIA_PRIVATE_KEY=<PAY_MCP_SEPOLIA_PRIVATE_KEY> -e PAY_MCP_STANDARD_X402_PAYEES=<PAY_MCP_STANDARD_X402_PAYEES> -e PAY_MCP_STANDARD_X402_MAX_WEI=<PAY_MCP_STANDARD_X402_MAX_WEI> -e PAY_MCP_STANDARD_X402_ACCOUNT_ADDRESS=<PAY_MCP_STANDARD_X402_ACCOUNT_ADDRESS> -e PAY_MCP_STANDARD_X402_PRIVATE_KEY=<PAY_MCP_STANDARD_X402_PRIVATE_KEY> -- npx -y @vauban-pay/mcp

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

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.