APIClaw
APIClaw is a flat-rate, OpenAI-compatible AI API gateway exposed as an MCP server. One key and one OpenAI-compatible endpoint give agents access to Claude, GPT, Gemini, DeepSeek, Qwen and more on a flat monthly plan with a daily request quota instead of per-token billing. The MCP endpoint lets clients list models, check quota and issue chat completions. Free tier: 50 requests.