What is secret-guard?
secret-guard is a Claude Code mod by legostin that keeps secrets out of Claude's context: gitleaks scans every tool output, prompt and attachment before the model reads it, and you decide what the model sees. It is listed under Security and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | legostin |
| Repository | legostin/claude-code-secret-guard |
| Popularity | 1 GitHub stars |
| Category | Security |
| Security | Review before installing (64/100) |
| Rank | #1,936 of 5,272 Claude Code mods; #230 in Security |
| License | MIT |
| Last commit | 2026-10-07 |
| Hooks | 10 events |
| Sees | every prompt, every tool call, the system prompt |
| Draws on | Pane |
Is secret-guard safe to install?
secret-guard scores 64/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; reads environment variables; watches every prompt or event. 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 no files or config | Pass |
| Reads environment variables | Review |
| 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 |
|---|---|
$.clock.after | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.read | reads files |
$.process.run | runs processes |
$.prompt.fill | writes the prompt box |
$.session.id | |
$.session.root | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.ask | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
$.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/legostin/claude-code-secret-guard claude plugin validate ./claude-code-secret-guard/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add legostin/claude-code-secret-guard && claude plugin install secret-guard@secret-guard
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/legostin/claude-code-secret-guard. Run claude plugin validate on it first and show me what it can access before you enable it.