What is skill-usage?
skill-usage is a Claude Code mod by JanSuthacheeva that counts how often each skill is invoked, by you and by Claude, against sessions, prompts and turns, and shows it above the prompt. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | JanSuthacheeva |
| Repository | JanSuthacheeva/claude-code-mods |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Review before installing (64/100) |
| Rank | #3,516 of 5,272 Claude Code mods; #650 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-15 |
| Hooks | 7 events |
| Sees | Skill calls, every prompt, every skill |
| Draws on | AbovePrompt |
Is skill-usage safe to install?
skill-usage scores 64/100 on the MCPMods security check: Review before installing. Things to review: writes files or config; reads environment variables; watches every prompt or event. 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 |
| Watches every prompt or event | Review |
| 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.list | |
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.read | reads files |
$.fs.write | writes files |
$.state.get | |
$.state.set | |
$.ui.resolve | draws interface |
How do I install skill-usage?
- 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/JanSuthacheeva/claude-code-mods claude plugin validate ./claude-code-mods/skill-usage
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add JanSuthacheeva/claude-code-mods && claude plugin install skill-usage@claude-code-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs skill-usage for you:
Install the "skill-usage" Claude Code mod from https://github.com/JanSuthacheeva/claude-code-mods/tree/main/skill-usage. Run claude plugin validate on it first and show me what it can access before you enable it.
More from JanSuthacheeva/claude-code-mods
This repository has 3 Claude Code mods on MCPMods.
- merge-status: Shows the merge requests of the current branch under the prompt: target branch, pipeline and conflicts (GitLab via glab, (Review before installing)
- plan-progress: Shows where you and Claude are in a plan file in a side pane: done, in progress and what is left (Low risk)