What is pstack?
pstack is a Claude Code mod by PickleBoxer that poteto's rigorous engineering skills (poteto-mode, how/why, architect, verification), ported from Cursor and kept in sync with upstream. It is listed under Interface and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | PickleBoxer |
| Repository | PickleBoxer/pstack |
| Popularity | 1 GitHub stars |
| Category | Interface |
| Security | Low risk (88/100) |
| Rank | #2,035 of 5,272 Claude Code mods; #817 in Interface |
| License | MIT |
| Last commit | 2026-10-08 |
| Hooks | 9 events |
| Sees | Read calls, Skill calls, compaction, every prompt, subagent spawns |
| Draws on | SessionMode, Pane |
Is pstack safe to install?
pstack scores 88/100 on the MCPMods security check: Low risk. Things to review: watches every prompt or event. It passed 7 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 |
| 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 |
|---|---|
$.command.register | |
$.fs.list | reads files |
$.fs.read | reads files |
$.prompt.fill | writes the prompt box |
$.session.root | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.invalidate | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install pstack?
- 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/PickleBoxer/pstack claude plugin validate ./pstack/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/PickleBoxer/pstack && claude --plugin-dir ./pstack/.
Or ask Claude to set it up
Paste this into Claude Code and it installs pstack for you:
Install the "pstack" Claude Code mod from https://github.com/PickleBoxer/pstack. Run claude plugin validate on it first and show me what it can access before you enable it.