Headroom compresses tool outputs, logs and RAG chunks between your agent and the LLM, cutting token spend with no agent-code changes.
Yes, Headroom is open source under the Apache-2.0 license.
Headroom is free to use.
Yes, Headroom can be self-hosted (the source is available under the Apache-2.0 license).
Open-source context-compression proxy for AI agents (Rust core; Python/TypeScript SDKs): sits between your agent and the LLM and compresses tool outputs, logs, JSON, code and RAG chunks with format-specific, reversible compressors before the model sees them — no changes to agent code.