What is secret-guard?
secret-guard is a Claude Code mod by builtbyjia that 金鑰守門：遮蔽 prompt 和工具輸出裡的 API key，並擋下讀寫 .env、私鑰這類檔案；/guard 看狀態. It is listed under Security and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | builtbyjia |
| Repository | builtbyjia/claude-code-mods |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Low risk (88/100) |
| Rank | #2,806 of 5,272 Claude Code mods; #322 in Security |
| License | MIT |
| Last commit | 2026-10-07 |
| Hooks | 5 events |
| Sees | Bash calls, Edit calls, Grep calls, Read calls, Write calls, every prompt |
| Draws on | nothing |
Is secret-guard safe to install?
secret-guard scores 88/100 on the MCPMods security check: Low risk. Things to review: watches every prompt or event. It passed 7 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 no processes | Pass |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Watches every prompt or event | Review |
| 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 |
|---|---|
$.command.register | |
$.ui.toast | draws interface |
How do I install secret-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/builtbyjia/claude-code-mods claude plugin validate ./claude-code-mods/secret-guard
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add builtbyjia/claude-code-mods && claude plugin install secret-guard@builtbyjia-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs secret-guard for you:
Install the "secret-guard" Claude Code mod from https://github.com/builtbyjia/claude-code-mods/tree/main/secret-guard. Run claude plugin validate on it first and show me what it can access before you enable it.
More from builtbyjia/claude-code-mods
This repository has 4 Claude Code mods on MCPMods.