MCP Server

Cycles — Budget Authority for AI Agents MCP Server

Name: Cycles — Budget Authority for AI Agents MCP Server
Author: io.github.runcycles

io.github.runcycles/cycles-mcp-server

Repository Registry

What is the Cycles — Budget Authority for AI Agents MCP server?

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

How to install Cycles — Budget Authority for AI Agents

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

CYCLES_API_KEY
required
secret
Cycles API key for authentication. Set CYCLES_MOCK=true for local development without a key.
CYCLES_BASE_URL
URL of the Cycles server.
CYCLES_MOCK
Enable mock mode for local development — no API key or live server required.

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "cycles-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@runcycles/mcp-server"
      ],
      "env": {
        "CYCLES_API_KEY": "<YOUR_CYCLES_API_KEY>",
        "CYCLES_BASE_URL": "<YOUR_CYCLES_BASE_URL>",
        "CYCLES_MOCK": "<YOUR_CYCLES_MOCK>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "cycles-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@runcycles/mcp-server"
      ],
      "env": {
        "CYCLES_API_KEY": "<YOUR_CYCLES_API_KEY>",
        "CYCLES_BASE_URL": "<YOUR_CYCLES_BASE_URL>",
        "CYCLES_MOCK": "<YOUR_CYCLES_MOCK>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "cycles-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@runcycles/mcp-server"
      ],
      "env": {
        "CYCLES_API_KEY": "<YOUR_CYCLES_API_KEY>",
        "CYCLES_BASE_URL": "<YOUR_CYCLES_BASE_URL>",
        "CYCLES_MOCK": "<YOUR_CYCLES_MOCK>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "cycles-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@runcycles/mcp-server"
      ],
      "env": {
        "CYCLES_API_KEY": "<YOUR_CYCLES_API_KEY>",
        "CYCLES_BASE_URL": "<YOUR_CYCLES_BASE_URL>",
        "CYCLES_MOCK": "<YOUR_CYCLES_MOCK>"
      }
    }
  }
}

Claude Code

claude mcp add cycles-mcp-server --env CYCLES_API_KEY=<YOUR_CYCLES_API_KEY> --env CYCLES_BASE_URL=<YOUR_CYCLES_BASE_URL> --env CYCLES_MOCK=<YOUR_CYCLES_MOCK> -- npx -y @runcycles/mcp-server