What is smart-compact?
smart-compact is a Claude Code mod by hellosverre that compacts at the right moment: after a commit or green tests, a minute before the prompt cache expires, or when Claude asks for it with its own request_compact tool. It is listed under Cost & usage and has 2 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | hellosverre |
| Repository | hellosverre/smart-compact |
| Popularity | 2 GitHub stars |
| Category | Cost & usage |
| Security | Review before installing (76/100) |
| Rank | #1,170 of 5,272 Claude Code mods; #219 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-13 |
| Stars this week | +1 |
| Hooks | 7 events |
| Sees | Bash calls, PowerShell calls, classic hooks, every prompt, mcp__smart-compact__request_compact calls |
| Draws on | Pane, AbovePrompt |
Is smart-compact safe to install?
smart-compact scores 76/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; watches every prompt or event. It passed 6 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 |
| 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 |
|---|---|
$.clock.after | |
$.clock.now | |
$.command.run | drives Claude |
$.process.run | runs processes |
$.session.compact | drives Claude |
$.session.usage | |
$.state.get | |
$.state.set | |
$.tool.register | drives Claude |
$.ui.close | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install smart-compact?
- 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/hellosverre/smart-compact claude plugin validate ./smart-compact/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add hellosverre/smart-compact && claude plugin install smart-compact@smart-compact
Or ask Claude to set it up
Paste this into Claude Code and it installs smart-compact for you:
Install the "smart-compact" Claude Code mod from https://github.com/hellosverre/smart-compact. Run claude plugin validate on it first and show me what it can access before you enable it.