What is wtf-meter?
wtf-meter is a Claude Code mod by dreamiurg that counts the swearing in your prompts (English, German, Polish, Russian, Ukrainian): a heat meter, a swear jar, or Bluey-style child-friendly swaps. It is listed under Interface and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | dreamiurg |
| Repository | dreamiurg/wtf-meter |
| Popularity | 1 GitHub stars |
| Category | Interface |
| Security | Review before installing (60/100) |
| Rank | #1,754 of 5,272 Claude Code mods; #707 in Interface |
| License | MIT |
| Last commit | 2026-10-08 |
| Hooks | 4 events |
| Sees | every prompt |
| Draws on | UserMessage, AbovePrompt |
Is wtf-meter safe to install?
wtf-meter scores 60/100 on the MCPMods security check: Review before installing. Things to review: sends data over the network; reads environment variables; watches every prompt or event. It passed 4 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 |
|---|---|
| Sends data over the network | Review |
| Starts no processes | Pass |
| Writes no files or config | Pass |
| Reads environment variables | Review |
| Watches every prompt or event | Review |
| 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.after | |
$.clock.every | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.mcp.call | calls MCP servers |
$.model.complete | drives Claude |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.tool.list | |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install wtf-meter?
- 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/dreamiurg/wtf-meter claude plugin validate ./wtf-meter/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add dreamiurg/wtf-meter && claude plugin install wtf-meter@wtf-meter
Or ask Claude to set it up
Paste this into Claude Code and it installs wtf-meter for you:
Install the "wtf-meter" Claude Code mod from https://github.com/dreamiurg/wtf-meter. Run claude plugin validate on it first and show me what it can access before you enable it.