Open source repo
What's inside headroomlabs-ai/
headroomlabs-ai/headroom is a Python repo with 765,705 lines written in 770 files. headroom is built with FastAPI and axum and uses Redis. AI signed 27.6% of the 3,052 commits of headroom.
Its description on GitHub: “Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.”
Read on October 27, 2026, at commit 17d38e5.
What the card proved: what it’s built with on the left, what it uses on the right.
See each one with its proofIts folders
In figures
- lines written
- 765,705
- The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- files
- 770
- The product’s, not counting tests.
- test files
- 1,173
- The files that test the code.
SeeRepo read its code facts-only: no AI, and none of its code is kept.
Frequently asked questions
- What is headroomlabs-ai/headroom?
- headroomlabs-ai/headroom is a Python repo with 765,705 lines written in 770 files. Its description on GitHub: “Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.”
- The proof: its page on GitHub
- What is headroom built with?
- headroom is built with FastAPI and axum and uses Redis.
- The proof: each technology with its file and line
- How much of headroom did AI write?
- AI signed 27.6% of the 3,052 commits of headroom.
- The proof: the commits each tool signed
- What license does headroom have?
- headroom is released under the Apache-2.0 license.
- The proof: its page on GitHub
- How many stars does headroom have on GitHub?
- headroom had 78,001 stars on GitHub on October 27, 2026.
- The proof: its page on GitHub
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