Headroom MCP Server
by headroomlabs-aiCompress 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.
Headroom is an open-source mcp server by headroomlabs-ai, written mainly in Python, with 78,506 GitHub stars and the Apache-2.0 license. Its code was last updated Nov 1, 2026. The latest PyPI release is headroom-ai 0.44.0, published Nov 10, 2026, with 83,120 downloads last week.
Scan summary: scanned Nov 5, 2026 at commit 8d3e9e5. Seen able to read environment and secrets, connect to the internet. 1 published advisory for its package. Scan policy
What Headroom can touch
- Our checks did not find this. The tool may still do it.Run shell commandsNot seen in this scan
- Our checks did not find this. The tool may still do it.Run dynamic codeNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or write filesNot seen in this scan
- Seen in this scan, either in the code or while it ran.Read environment and secretsFound in the code by our scan
- Our checks did not find this. The tool may still do it.Control a web browserNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to databasesNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or send messagesNot seen in this scan
- Our checks did not find this. The tool may still do it.Touch money or tradingNot seen in this scan
- Seen in this scan, either in the code or while it ran.Connect to the internetFound in the code by our scan
"Not seen" means our checks did not find it, and the tool may still do it. Covers commit 8d3e9e5, Nov 5, 2026. See the scan policy.
Before you install Headroom
AgenticMart scanned Headroom on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What it can access
- An MCP server is a program your AI app starts and talks to. A local one runs with your user's permissions: it can see the files, environment variables and network your account can.
- Based on its description and topics, it likely needs to read and write files on your machine.
Before you install
- Point it at one project folder, never your home directory.
- Pin the version you reviewed instead of always installing the latest release.
- Read the tool list or scripts before the first run, and keep approval prompts on for actions that write, send or delete.
- Maintained by headroomlabs-ai on GitHub, 78,506 stars and 6,126 forks. Popularity is not proof of safety.
- Last code change: Nov 1, 2026.
- Open-source license: Apache-2.0.
Published advisories for headroom-ai
From the OSV database, for this PyPI package. Check that your installed version is past any fix.
- CVE-2026-71416Headroom vulnerable to Cross-Site WebSocket Hijacking (CSWSH)Fixed in 0.35.0.
Headroom is an open-source mcp server by headroomlabs-ai, written mainly in Python. 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.
At a glance
- Stars
- 79k
- Forks
- 6.1k
- Language
- Python
- License
- Apache-2.0
- Created
- Jan 2026
- Last update
- Nov 1, 2026
- Type
- MCP Server
- Price
- Free
Topics
Questions about Headroom
What is Headroom?
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.
Who maintains Headroom?
Headroom is maintained by headroomlabs-ai on GitHub (headroomlabs-ai/headroom). AgenticMart lists it from public repository data.
Is Headroom safe to use?
AgenticMart scanned Headroom on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What license does Headroom use?
It is published under the Apache-2.0 license.
Headroom alternatives
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| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| Headroom (this page) headroomlabs-ai | 79k | Apache-2.0 | Nov 1, 2026 | Scanned, no flagged issues |
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| MCP For Beginners microsoft | 18k | MIT | Oct 30, 2026 | Scanned, no flagged issues |