This package provides a minimal-dependency client for Large Language Model chat APIs. Supports OpenAI <https://openai.com/>, Anthropic Claude <https://claude.com/>, Moonshot Kimi <https://www.moonshot.ai/>, Ollama <https://ollama.com/>, and other OpenAI'-compatible endpoints. Includes an agent loop with tool use and a Model Context Protocol client <https://modelcontextprotocol.io/>. API design is derived from the ellmer package, reimplemented with only base R, curl', and jsonlite'.