Heu MCP Server: Install & Setup

Install Heu in Claude Code

Claude Code

claude mcp add heu -e HEU_API_KEY=... -- uvx heu-mcp

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

{
  "mcpServers": {
    "heu": {
      "command": "uvx",
      "args": [
        "heu-mcp"
      ],
      "env": {
        "HEU_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Heu MCP server do?

HEU Legal e-signature MCP: manage HEU documents and PDFs, prompt signers, download PDFs.

Is the Heu 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 Heu run locally or remotely?

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

How do I add Heu to Claude Code?

Run: claude mcp add heu -e HEU_API_KEY=... -- uvx heu-mcp

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