What is p3c-guard?
p3c-guard is a Claude Code mod by alexlifexyz that agent 写 Java 时，新增的阿里 Java 规约（p3c）违规落不了盘。Blocks Java writes that add Alibaba p3c violations. It is listed under Security and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | alexlifexyz |
| Repository | alexlifexyz/p3c-guard |
| Popularity | 1 GitHub stars |
| Category | Security |
| Security | Review before installing (64/100) |
| Rank | #1,469 of 5,272 Claude Code mods; #159 in Security |
| License | MIT |
| Last commit | 2026-10-11 |
| Hooks | 3 events |
| Sees | Edit calls, Write calls |
| Draws on | nothing |
Is p3c-guard safe to install?
p3c-guard scores 64/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; writes files or config; reads environment variables. It passed 5 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts processes outside the sandbox | Review |
| Writes files or config | Review |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.sleep | |
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.read | reads files |
$.fs.write | writes files |
$.process.run | runs processes |
$.ui.status | draws interface |
How do I install p3c-guard?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/alexlifexyz/p3c-guard claude plugin validate ./p3c-guard/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add alexlifexyz/p3c-guard && claude plugin install p3c-guard@p3c-guard
Or ask Claude to set it up
Paste this into Claude Code and it installs p3c-guard for you:
Install the "p3c-guard" Claude Code mod from https://github.com/alexlifexyz/p3c-guard. Run claude plugin validate on it first and show me what it can access before you enable it.