Cycles MCP Server: Install & Setup

Install Cycles in Claude Code

Claude Code

claude mcp add cycles-budget-authority-for-ai-agents -e CYCLES_API_KEY=... -e CYCLES_BASE_URL=... -- npx -y @runcycles/mcp-server

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

{
  "mcpServers": {
    "cycles-budget-authority-for-ai-agents": {
      "command": "npx",
      "args": [
        "-y",
        "@runcycles/mcp-server"
      ],
      "env": {
        "CYCLES_API_KEY": "...",
        "CYCLES_BASE_URL": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Cycles MCP server do?

Runtime budget authority for AI agents — reserve, enforce, reconcile spend across providers

Is the Cycles 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 Cycles run locally or remotely?

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

How do I add Cycles to Claude Code?

Run: claude mcp add cycles-budget-authority-for-ai-agents -e CYCLES_API_KEY=... -e CYCLES_BASE_URL=... -- npx -y @runcycles/mcp-server

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