Headroom
Library, proxy and MCP server that compresses tool outputs, logs, files and RAG chunks locally before they reach the LLM, cutting tokens for coding agents.
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Use cases
About Headroom
Headroom is listed in our memory & RAG category and is aimed at builders. Library, proxy and MCP server that compresses tool outputs, logs, files and RAG chunks locally before they reach the LLM, cutting tokens for coding agents. Pricing, as the maker states it: Open source. Maturity: Mature. We last checked the official link on 2026-10-18.
What is Headroom?
Headroom compresses what your AI agent reads (tool outputs, logs, RAG chunks, files and conversation history) before it reaches the LLM, to cut token usage. Compression runs on your own machine.
You can use it as a Python or TypeScript library, as a local proxy with no code changes, as a wrapper around coding agents such as Claude Code, Codex, Cursor and Aider, or as an MCP server. Originals are cached locally so compressed content can be retrieved.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: docs.headroomlabs.ai/docs.
Who is Headroom for?
Developers running coding agents or LLM apps who want to reduce token costs and context usage without changing their models.
Headroom at a glance
- Open source: Yes (Apache License 2.0)
- GitHub: headroomlabs-ai/headroom · 76,993 stars (as of Oct 21, 2026)
Key features
- Library for Python and TypeScript
- Local proxy mode with no code changes
- Wraps Claude Code, Codex, Cursor, Aider, OpenCode, Cline and more
- MCP server with compress, retrieve and stats tools
- Shared memory across agents
- Runs locally; originals cached for retrieval
Headroom FAQ
What is Headroom?
Headroom compresses what your AI agent reads (tool outputs, logs, RAG chunks, files and conversation history) before it reaches the LLM, to cut token usage. Compression runs on your own machine.
Who is Headroom for?
Developers running coding agents or LLM apps who want to reduce token costs and context usage without changing their models.
Is Headroom free?
Headroom's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is Headroom open source?
Yes. Headroom is released under the Apache License 2.0, according to its GitHub repository.
What are alternatives to Headroom?
Similar tools include AgentMemory, MarkItDown, Supermemory, Extend MCP, SimpleMem and Qdrant MCP Server.
Headroom ratings and reviews
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