LocalFree

Chain Signer MCP server

Kevthetech143/chain-signer

Security suite for AI agents: flag drains, permit-phishing & risky actions before signing.

1 GitHub stars
Source code

Install Chain Signer in Claude Code

Claude Code
claude mcp add chain-signer -- uvx chain-signer
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "chain-signer": {
      "command": "uvx",
      "args": [
        "chain-signer"
      ]
    }
  }
}

Frequently asked questions

What does the Chain Signer MCP server do?

Security suite for AI agents: flag drains, permit-phishing & risky actions before signing.

Is the Chain 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 Chain 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 Chain Signer to Claude Code?

Run: claude mcp add chain-signer -- uvx chain-signer

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