chain-signer

About chain-signer

Use chain-signer with your agent

claude mcp add chain-signer -- uvx chain-signer

{
  "mcpServers": {
    "chain-signer": {
      "command": "uvx",
      "args": [
        "chain-signer"
      ]
    }
  }
}

Frequently asked questions

What is chain-signer?

chain-signer is an MCP (Model Context Protocol) server by kevthetech143 in the Autonomous Agents category. Security suite for AI agents: flag drains, permit-phishing & risky actions before signing.

How do I connect chain-signer to Claude, Cursor, or another MCP client?

Install chain-signer from its pypi package (chain-signer) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.

Is chain-signer open source?

Yes — the source code is public at github.com/kevthetech143/chain-signer.

Can AI agents pay to use chain-signer?

Not yet through Loomal — chain-signer is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.