mcp signer for Claude Code

io.github.cryptoapis-io/mcp-signer

Local transaction signing for EVM, UTXO, Tron, XRP, Kaspa, Solana and Tezos — no API calls

client:Claude Code transport:stdio runtime:npm

Install mcp signer in Claude Code

run in your project directory

claude mcp add mcp-signer -- npx -y @cryptoapis-io/mcp-signer

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