What is project-sentinel?
project-sentinel is a Claude Code mod by Arjun0014 that project Sentinel keeps long Claude Code runs on track: a status bar, the Control Room panel, Context Autopilot (automatic handoff to a fresh context), Cache Guardian (the prompt cache in. It is listed under Security and has 53 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | Arjun0014 |
| Repository | Arjun0014/project-sentinel |
| Popularity | 53 GitHub stars |
| Category | Security |
| Security | Review before installing (60/100) |
| Rank | #234 of 5,272 Claude Code mods; #40 in Security |
| License | MIT |
| Last commit | 2026-10-13 |
| Stars this week | +11 |
| Hooks | 26 events |
| Sees | /"^mcp__project-sentinel__decision_request$"/ calls, /"^mcp__project-sentinel__milestones$"/ calls, classic hooks, compaction, every prompt, every tool call, subagent spawns, the system prompt |
| Draws on | AbovePrompt, Pane, ToolUse, ToolResult, ToolGroup, Spinner, SessionMode |
Is project-sentinel safe to install?
project-sentinel scores 60/100 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 4 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 |
| Drives Claude (model calls, prompts) | Note |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.agent.list | |
$.clock.after | |
$.clock.every | |
$.clock.now | |
$.command.list | |
$.command.register | |
$.command.run | drives Claude |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.model.classify | drives Claude |
$.model.fork | drives Claude |
$.process.run | runs processes |
$.process.spawn | |
$.prompt.fill | writes the prompt box |
$.prompt.read | |
$.prompt.submit | drives Claude |
$.session.compact | drives Claude |
$.session.id | |
$.session.model | |
$.session.repo | |
$.session.root | |
$.session.send | |
$.session.surfaces | |
$.session.usage | |
$.session.version | |
$.settings.read | reads settings |
$.state.get | |
$.state.set | |
$.store.delete | keeps its own state |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.tool.call | drives Claude |
$.tool.check |
How do I install project-sentinel?
- 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/Arjun0014/project-sentinel claude plugin validate ./project-sentinel/plugins/project-sentinel
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add Arjun0014/project-sentinel && claude plugin install project-sentinel@control-room
Or ask Claude to set it up
Paste this into Claude Code and it installs project-sentinel for you:
Install the "project-sentinel" Claude Code mod from https://github.com/Arjun0014/project-sentinel/tree/main/plugins/project-sentinel. Run claude plugin validate on it first and show me what it can access before you enable it.