CanUSign MCP Server

MCP (Model Context Protocol) server for CanUSign. Allows Claude to create and manage contracts.

Installation

cd mcp-server
npm install
npm run build

Configuration

1. Get your API Key

Go to CanUSign Settings and create an API key.

2. Configure Claude Code

Add the following to your Claude Code MCP settings (~/.claude/claude_desktop_config.json or via Claude Code settings):

{
  "mcpServers": {
    "canusign": {
      "command": "node",
      "args": ["/path/to/canusign/mcp-server/dist/index.js"],
      "env": {
        "CANUSIGN_API_KEY": "canu_your_api_key_here"
      }
    }
  }
}

Or if using npx (after publishing to npm):

{
  "mcpServers": {
    "canusign": {
      "command": "npx",
      "args": ["@canusign/mcp-server"],
      "env": {
        "CANUSIGN_API_KEY": "canu_your_api_key_here"
      }
    }
  }
}

Available Tools

create_contract

Create a new contract for signing.

Parameters:

• title (required): Title of the contract
• content (required): HTML content of the contract
• signatureFields: Array of signature fields with label, page, x, y, width, height
• tags: Array of tags for organization
• finalize: If true (default), contract is ready for signing

Example:

Create a service agreement contract between Acme Corp (client) and John Doe (provider) for web development services at $5000. Add signature fields for both parties.

list_contracts

List all contracts with optional filtering.

Parameters:

• status: Filter by status (draft, pending, signed)
• limit: Maximum number of results

get_contract

Get details of a specific contract.

Parameters:

• id (required): Contract ID or token

delete_contract

Delete a contract (signed contracts cannot be deleted).

Parameters:

• id (required): Contract ID or token

Environment Variables

• CANUSIGN_API_KEY (required): Your CanUSign API key
• CANUSIGN_API_URL (optional): API base URL (default: https://canusign.com)

Development

# Install dependencies
npm install

# Build
npm run build

# Watch mode
npm run dev

License

MIT