claude

cerberus

CERBERUS — the two-headed guard at the gate for a PUBLIC skills marketplace. A PostToolUse hook fires on every skill / reference / script / eval / manifest edit and reminds you to run BOTH heads before committing: cerberus:leak-check (outward — no real work identifier or secret escapes into the public marketplace) and cerberus:security-scan (inward — the eight-point consumer-safety checklist: prompt injection, exfiltration, secrets, dangerous commands, obfuscation, external fetches, credential access, privilege escalation, so nothing unsafe reaches whoever installs the skill). Before a push it also guards the commits themselves — their messages, authors and branch name, which no file check reads: a classic PreToolUse hook has a nested claude judge the outgoing commits and blocks a push that leaks or that it cannot judge, and on Claude Code 2.1.292 or newer a push-guard mod judges them in-process first; an older Claude Code gets a red notice at session start to update. The verdict cache is guarded best-effort, so the hook stops a forgotten check, not a deliberate forgery. Both are agent judgment passes, no denylist by design — a list of the real names to catch would itself be the leak; the intelligence lives in the agent, not a regex.

2 on GitHubby Roman Maslennikovv2.1.10updated 3 days agoengineering
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Plugin cerberus from marketplace bladeforge in aquivalabs/BladeForge. Commands read from the repo's manifest — 2 days ago.

This plugin runs code on your machine — its hooks fire automatically on events like tool use. The exact commands are listed below; read them before installing.

What it installs

Skills (2)

  • leak-check

    Use before committing OR PUSHING a NEW or EDITED skill, its references, its bundled scripts, or its eval fixtures to this PUBLIC marketplace — review the change, and before a push also the outgoing commits themselves (messages, author, committer, branch name), for anything that points to a real work

  • security-scan

    Use before committing a NEW or EDITED skill, its references, its bundled scripts, or its eval fixtures to this marketplace — review the change for anything UNSAFE to the person who installs and runs it: prompt-injection text, data exfiltration, an embedded secret, a dangerous/destructive command, ob

Hooks (4)

  • PostToolUse

    bash "${CLAUDE_PLUGIN_ROOT}/hooks/on-git-push.sh"

  • PostToolUse

    bash "${CLAUDE_PLUGIN_ROOT}/hooks/on-skill-edit.sh"

  • PreToolUse

    bash "${CLAUDE_PLUGIN_ROOT}/hooks/on-git-push.sh"

  • SessionStart

    bash "${CLAUDE_PLUGIN_ROOT}/hooks/check-version.sh"

View source on GitHub

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