What is seatbelt?
seatbelt is a Claude Code mod by lucenity0 that blocks destructive shell commands and edits to secrets before they run. It is listed under Security and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | lucenity0 |
| Repository | lucenity0/claude-code-mods |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Low risk (100/100) |
| Rank | #3,861 of 5,272 Claude Code mods; #407 in Security |
| License | MIT |
| Last commit | 2026-10-04 |
| Hooks | 1 events |
| Sees | Bash calls, Edit calls, NotebookEdit calls, Write calls |
| Draws on | nothing |
Is seatbelt safe to install?
seatbelt scores 100/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 8 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 |
| 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 |
|---|---|
$.ui.toast | draws interface |
How do I install seatbelt?
- 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/lucenity0/claude-code-mods claude plugin validate ./claude-code-mods/seatbelt
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/lucenity0/claude-code-mods && claude --plugin-dir ./claude-code-mods/seatbelt
Or ask Claude to set it up
Paste this into Claude Code and it installs seatbelt for you:
Install the "seatbelt" Claude Code mod from https://github.com/lucenity0/claude-code-mods/tree/main/seatbelt. Run claude plugin validate on it first and show me what it can access before you enable it.
More from lucenity0/claude-code-mods
This repository has 5 Claude Code mods on MCPMods.
- context-meter: A context window meter at the bottom right of the prompt; click it for the full breakdown (Low risk)
- ding: Chime and toast when a long turn finishes, so you can look away (Low risk)
- session-dash: /dash opens a live side pane with tool calls, files touched, tokens and turn times (Low risk)
- turn-meter: Live turn timer in the status line, then duration and tokens when the turn ends (Low risk)