C

Chain Signer

MCP server · by Kevthetech143

Developer Tools Python v0.5.31

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

View source ↗ More servers

Install

Run one of the commands below, then add the client config underneath.

Pythonuvx chain-signer

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

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

About this server

Chain Signer is listed in the Developer Tools category of the MCPNav directory. It is distributed as Python and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the Chain Signer MCP server?

Chain Signer is an MCP server by Kevthetech143. Security suite for AI agents: flag drains, permit-phishing & risky actions before signing.

How do I install Chain Signer?

Install it with: uvx chain-signer. Then add the JSON config to your client's MCP settings and restart the client.

Is Chain Signer free to use?

The MCP server itself is free to install. The source is public on https://github.com/Kevthetech143/chain-signer. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support Chain Signer?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.