What is headsup?
headsup is a Claude Code mod by corydorning that heads Up: one list of what needs you in Claude Code, from questions and follow-ups to failures and your own notes. It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | corydorning |
| Repository | corydorning/heads-up-claude-mod |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | Review before installing (72/100) |
| Rank | #2,940 of 5,272 Claude Code mods; #1,221 in Interface |
| License | MIT |
| Last commit | 2026-10-07 |
| Hooks | 7 events |
| Sees | every tool call, mcp__headsup__headsup calls |
| Draws on | AbovePrompt, Pane |
Is headsup safe to install?
headsup scores 72/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; 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 no files or config | Pass |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| Drives Claude (model calls, prompts) | Note |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.process.run | runs processes |
$.prompt.fill | writes the prompt box |
$.prompt.submit | drives Claude |
$.session.id | |
$.session.send | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.tool.register | drives Claude |
$.ui.close | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install headsup?
- 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/corydorning/heads-up-claude-mod claude plugin validate ./heads-up-claude-mod/headsup
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add corydorning/heads-up-claude-mod && claude plugin install headsup@heads-up-claude-mod
Or ask Claude to set it up
Paste this into Claude Code and it installs headsup for you:
Install the "headsup" Claude Code mod from https://github.com/corydorning/heads-up-claude-mod/tree/main/headsup. Run claude plugin validate on it first and show me what it can access before you enable it.