CanUSign MCP Server: Install & Setup

Install CanUSign in Claude Code

Claude Code

claude mcp add canusign -e CANUSIGN_API_KEY=... -- npx -y canusign-mcp-server

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

{
  "mcpServers": {
    "canusign": {
      "command": "npx",
      "args": [
        "-y",
        "canusign-mcp-server"
      ],
      "env": {
        "CANUSIGN_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the CanUSign MCP server do?

Create PDF contracts, send signing links and check signature status with CanUSign e-signatures.

Is the CanUSign MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does CanUSign run locally or remotely?

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

How do I add CanUSign to Claude Code?

Run: claude mcp add canusign -e CANUSIGN_API_KEY=... -- npx -y canusign-mcp-server

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