What is pin?
pin is a Claude Code mod by liquid1982 that marks conversation content wrapped in ... tags as compaction-proof: pinned content is re-injected verbatim into the transcript after every compaction (manual /compact, auto-compaction,. It is listed under Context & memory and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | liquid1982 |
| Repository | liquid1982/claude-plugins |
| Popularity | no public popularity data yet |
| Category | Context & memory |
| Security | Low risk (92/100) |
| Rank | #3,815 of 5,272 Claude Code mods; #355 in Context & memory |
| Last commit | 2026-09-21 |
| Hooks | 2 events |
| Sees | compaction |
| Draws on | AbovePrompt |
Is pin safe to install?
pin scores 92/100 on the MCPMods security check: Low risk. No checks raised a concern. 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 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 |
| Validator reported problems | Note |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.session.messages | reads the transcript |
$.ui.invalidate | draws interface |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
How do I install pin?
- 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/liquid1982/claude-plugins claude plugin validate ./claude-plugins/plugins/pin
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add liquid1982/claude-plugins && claude plugin install pin@pin-tools
Or ask Claude to set it up
Paste this into Claude Code and it installs pin for you:
Install the "pin" Claude Code mod from https://github.com/liquid1982/claude-plugins/tree/main/plugins/pin. Run claude plugin validate on it first and show me what it can access before you enable it.