Cycles — Budget Authority for AI Agents

io.github.runcycles/cycles-mcp-server

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

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "cycles-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@runcycles/mcp-server@0.6.1"
      ],
      "env": {
        "CYCLES_API_KEY": "<your CYCLES_API_KEY>",
        "CYCLES_BASE_URL": "<your CYCLES_BASE_URL>",
        "CYCLES_MOCK": "false"
      }
    }
  }
}
Environment variables
  • CYCLES_API_KEYrequiredsecretCycles API key for authentication. Set CYCLES_MOCK=true for local development without a key.
  • CYCLES_BASE_URLrequiredURL of the Cycles server (e.g. https://api.runcycles.io). Required unless CYCLES_MOCK=true.
  • CYCLES_MOCKEnable mock mode for local development — no API key or live server required.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.6.1
Registry
active
Published
7/27/2026

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Add the badge to your site

Show visitors that Cycles — Budget Authority for AI Agents is listed here — it’s also the link we check for a free listing.

Cycles — Budget Authority for AI Agents — listed on Serverdex

HTML — for your website

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Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Cycles — Budget Authority for AI Agents — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-runcycles-cycles-mcp-server?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.