Peil MCP Server (Official): Install & Setup

Install Peil in Claude Code

Claude Code

claude mcp add peil -e PEIL_API_KEY=... -- uvx peil-mcp

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

{
  "mcpServers": {
    "peil": {
      "command": "uvx",
      "args": [
        "peil-mcp"
      ],
      "env": {
        "PEIL_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Peil MCP server do?

Peil for Dutch freelancers (ZZP'ers): log hours, draft invoices from unbilled time, and track outstanding and overdue invoices and effective hourly rate.

Is the Peil 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 Peil run locally or remotely?

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

How do I add Peil to Claude Code?

Run: claude mcp add peil -e PEIL_API_KEY=... -- uvx peil-mcp

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