Headroom

Headroom: token compression library for LLM tool outputs, logs, and RAG chunks

Headroom is an open-source Python library that compresses tool outputs, logs, files, and RAG chunks before they reach an LLM, claiming 60-95% token reduction with minimal answer quality loss. It ships as a library, proxy, and MCP server. The project gained significant traction on GitHub with 6,148 stars and 1,266 stars in a single day.