What is helena?
helena is a Claude Code mod by vijcoelho that starts blank, learns how you work, loads skills only when needed and only keeps what the benchmark proves helps. It is listed under Interface and has 3 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | vijcoelho |
| Repository | vijcoelho/project-helena |
| Popularity | 3 GitHub stars |
| Category | Interface |
| Security | Review before installing (72/100) |
| Rank | #1,035 of 5,272 Claude Code mods; #405 in Interface |
| License | MIT |
| Last commit | 2026-10-16 |
| Hooks | 4 events |
| Sees | only the events it hooks |
| Draws on | AbovePrompt, Spinner, Pane |
Is helena safe to install?
helena scores 72/100 on the MCPMods security check: Review before installing. Things to review: 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 no processes | Pass |
| Writes files or config | Review |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Validator reported problems | Note |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.command.register | |
$.env.get | reads env vars |
$.fs.read | reads files |
$.fs.write | writes files |
$.session.id | |
$.session.usage | |
$.ui.close | draws interface |
$.ui.invalidate | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
How do I install helena?
- 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/vijcoelho/project-helena claude plugin validate ./project-helena/helena
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add vijcoelho/project-helena && claude plugin install helena@helena
Or ask Claude to set it up
Paste this into Claude Code and it installs helena for you:
Install the "helena" Claude Code mod from https://github.com/vijcoelho/project-helena/tree/main/helena. Run claude plugin validate on it first and show me what it can access before you enable it.