What is flappy?
flappy is a Claude Code mod by fixter-dev. Flappy Code: jump the Claude mascot through diff hunks in a pane while Claude works. It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | fixter-dev |
| Repository | fixter-dev/flappy-code |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | Low risk (100/100) |
| Rank | #3,218 of 5,272 Claude Code mods; #1,338 in Interface |
| License | MIT |
| Last commit | 2026-10-06 |
| Hooks | 7 events |
| Sees | only the events it hooks |
| Draws on | AbovePrompt, Pane |
Is flappy safe to install?
flappy scores 100/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 8 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 |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.every | |
$.clock.now | |
$.command.register | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.focus | draws interface |
$.ui.invalidate | draws interface |
$.ui.open | draws interface |
$.ui.panes | draws interface |
$.ui.resolve | draws interface |
How do I install flappy?
- 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/fixter-dev/flappy-code claude plugin validate ./flappy-code/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add fixter-dev/flappy-code && claude plugin install flappy@flappy-code
Or ask Claude to set it up
Paste this into Claude Code and it installs flappy for you:
Install the "flappy" Claude Code mod from https://github.com/fixter-dev/flappy-code. Run claude plugin validate on it first and show me what it can access before you enable it.