Budgetary MCP Server: Install & Setup

Install Budgetary in Claude Code

Claude Code

claude mcp add budgetary-estimate-token-spend -e BUDGETARY_API_KEY=... -- npx -y @budgetary/mcp

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

{
  "mcpServers": {
    "budgetary-estimate-token-spend": {
      "command": "npx",
      "args": [
        "-y",
        "@budgetary/mcp"
      ],
      "env": {
        "BUDGETARY_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Budgetary MCP server do?

Pre-flight token-spend estimate (range, scenario, confidence) for a coding task, or an abstention.

Is the Budgetary 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 Budgetary run locally or remotely?

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

How do I add Budgetary to Claude Code?

Run: claude mcp add budgetary-estimate-token-spend -e BUDGETARY_API_KEY=... -- npx -y @budgetary/mcp

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