Cryptoapis Signer MCP Server: Install & Setup

Install Cryptoapis Signer in Claude Code

Claude Code

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

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "cryptoapis-signer": {
      "command": "npx",
      "args": [
        "-y",
        "@cryptoapis-io/mcp-signer"
      ]
    }
  }
}

Frequently asked questions

What does the Cryptoapis Signer MCP server do?

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

Is the Cryptoapis Signer MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Cryptoapis Signer run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Cryptoapis Signer to Claude Code?

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

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