What is opm?
opm is a Claude Code mod by harshadmadaye that an opinionated engineering workflow for Claude Code: brainstorm -> plan -> TDD execution with fresh-context subagents -> verification -> captured learnings. Lean reviewers, stack-specific. It is listed under Context & memory and has 5 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | harshadmadaye |
| Repository | harshadmadaye/OPM |
| Popularity | 5 GitHub stars |
| Category | Context & memory |
| Security | Review before installing (64/100) |
| Rank | #692 of 5,272 Claude Code mods; #77 in Context & memory |
| License | MIT |
| Last commit | 2026-10-05 |
| Hooks | 5 events |
| Sees | Bash calls, Edit calls, Write calls, every skill |
| Draws on | nothing |
Is opm safe to install?
opm scores 64/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; writes files or config; reads environment variables. It passed 5 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 files or config | Review |
| Reads environment variables | Review |
| 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 |
|---|---|
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.env.set | sets env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.process.run | runs processes |
$.session.cwd | |
$.session.id | |
$.session.root | |
$.store.delete | keeps its own state |
$.store.get | keeps its own state |
$.store.keys | keeps its own state |
$.store.set | keeps its own state |
$.ui.ask | draws interface |
$.ui.log | draws interface |
How do I install opm?
- 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/harshadmadaye/OPM claude plugin validate ./OPM/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add harshadmadaye/OPM && claude plugin install opm@opm
Or ask Claude to set it up
Paste this into Claude Code and it installs opm for you:
Install the "opm" Claude Code mod from https://github.com/harshadmadaye/OPM. Run claude plugin validate on it first and show me what it can access before you enable it.