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Headroom: shrink what your agent reads, save tokens

Squeezes tool output, logs, files and long chats before they reach the model, so Claude Code, Codex and other agents spend fewer tokens with the same answers.

In short: Squeezes tool output, logs, files and long chats before they reach the model, so Claude Code, Codex and other agents spend fewer tokens with the same answers. It is a free skill for people who use Claude Code, Codex or Cursor and want help with coding agent skills.

Checked on · Added

Works with

Agent / toolAccess / costLink
Claude CodePaid Claude plan or APIclaude.com/claude-code
CodexChatGPT plan or APIopenai.com/codex
CursorFree tier + paidcursor.com
GitHub repoOpen source · ★ 76.9kheadroomlabs-ai/headroom
Headroom: shrink what your agent reads, save tokens

Image: from the GitHub README, shown with credit.

Image from the headroomlabs-ai/headroom README

Images from the project README on GitHub.

Try it in 60 seconds

pip install "headroom-ai[all]"
headroom wrap claude

Install command copied from the project README. Check the README for the latest version.

What it does

Squeezes tool output, logs, files and long chats before they reach the model, so Claude Code, Codex and other agents spend fewer tokens with the same answers.

Headroom compresses everything your AI agent reads (tool outputs, logs, RAG chunks, files and chat history) before it reaches the model. Compression runs on your machine; no prompt or file content is sent anywhere to be…

Short excerpt from the README of headroomlabs-ai/headroom. Read the full README on GitHub.

Inside the repo

What it doesHow it worksGet started (60 seconds)ProofOutput token reductionAgent compatibilityWhen to use · when to skipInstallheadroom learnTelemetryHeadroom for teamsDocumentation

Step by step

  1. Open the GitHub repo and read the README.
  2. Install it: pip install "headroom-ai[all]" (or uv tool install --python 3.13 "headroom-ai[all]").
  3. Start your agent through it: headroom wrap claude (or codex). Cursor needs a manual proxy setting; the README shows how.
  4. Open the local dashboard to see the tokens saved. Undo any time with headroom unwrap claude.

Watch out for

Your agent's traffic goes through a local proxy on your machine. An anonymous usage beacon is on by default (no prompts or code, per the README); turn it off with HEADROOM_TELEMETRY=off. First run downloads a compression model from Hugging Face. Different from Context Mode, which keeps tool output out of the chat; Headroom compresses what does go in.

Docs, demos & materials

Common questions

What does Headroom do?

Squeezes tool output, logs, files and long chats before they reach the model, so Claude Code, Codex and other agents spend fewer tokens with the same answers.

Which AI agents can use Headroom?

It works with Claude Code, Codex and Cursor. The code is on GitHub at headroomlabs-ai/headroom.

Is Headroom free?

Free & open source (Apache 2.0); compression runs on your own computer. A paid Enterprise plan for teams exists, but you don't need it. License: Apache-2.0.

How do I install Headroom?

Run the install command from the README: “pip install "headroom-ai[all]"”. Check the README on GitHub for the latest version, then follow the steps on this page.

Is Headroom safe to install?

We read 905 instruction and code files in the repo and found no red flags. That is not a guarantee, so review anything that runs commands on your machine.

Sources & credit

All credit to the original authors. We rewrite in our own words and link back. Something wrong? Report it.

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See all Coding Agent Skills entries →

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