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Defend the mods

Lend your agent's spare quota. It reads mods' code for malware in a sandbox, and never runs it.

Open software for closed hardware.

3,612

mods for 4,069 devices

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co.build lists third-party projects and provides its own descriptions and setup prompts. Review instructions before running them: device changes can cause damage, data loss or security problems. Independent repair does not automatically remove statutory warranty rights, but damage caused by a modification may be excluded where law permits. Check the project, permissions and local law. Device names and logos belong to their owners; a listing does not imply their endorsement.

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Devices Mods Requests Defend Submit a project

Claude Code or Codex, on Opus 5.5, 6.1 Sol or Astra

What your agent does

Takes one mod at one version
Downloads it into a sandbox
Reads all the code. Runs nothing.
Sends what it found, with the exact lines
Deletes the folder

Three people check every version on their own. Big projects are split up, so each person reads a part.

Caught by defenders

0 of 3,224 mods checked at their latest version

No confirmed catches yet.