What is mod-doctor?
mod-doctor is a Claude Code mod by Tihi321 that /mod-doctor checks every installed mod in one report: hook scripts, plugin mods loaded, Node, Claude Code version, errors and ESLint timings in the mods log. It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | Tihi321 |
| Repository | Tihi321/claude-mods |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | Review before installing (72/100) |
| Rank | #4,845 of 5,272 Claude Code mods; #1,980 in Interface |
| Last commit | 2026-10-04 |
| Hooks | 2 events |
| Sees | only the events it hooks |
| Draws on | nothing |
Is mod-doctor safe to install?
mod-doctor 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 |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| No license detected | Note |
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.list | reads files |
$.fs.read | reads files |
$.process.run | runs processes |
$.session.version |
How do I install mod-doctor?
- 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/Tihi321/claude-mods claude plugin validate ./claude-mods/plugins/mod-doctor
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add Tihi321/claude-mods && claude plugin install mod-doctor@tihi-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs mod-doctor for you:
Install the "mod-doctor" Claude Code mod from https://github.com/Tihi321/claude-mods/tree/master/plugins/mod-doctor. Run claude plugin validate on it first and show me what it can access before you enable it.
More from Tihi321/claude-mods
This repository has at least 9 Claude Code mods on MCPMods.
- cache-clock: Shows above the prompt how long the prompt cache stays warm, the cache hit rate, context use and plan limits, with a com (Low risk)
- ci-watch: After a git push, watches the GitHub Actions runs for that commit and reports pass or fail without you opening GitHub. (High risk)
- delete-guard: Holds recursive deletes (rm -rf, Remove-Item -Recurse, rmdir /s, git clean -f), shows what would go, and offers move-to- (Low risk)
- eol-guard: Keeps files' git line endings (CRLF/LF) after Claude's edits and shell commands, and stops prettier checks failing on a (Review before installing)
- next-steps: After each turn, suggests three next prompts above the prompt box. Type 1, 2 or 3 (or click) to send one. Uses a small H (Review before installing)
- plan-to-ticket: When you approve a plan, saves it as .claude/tickets//plan.md in the project and points Claude at that copy. (Review before installing)
- session-ref: When a prompt names an earlier session's ID, attaches a digest of that session (prompts, files, commits, last reply) for (Review before installing)
- ship-bar: A band above the prompt with the repo's branch, changed files, unpushed commits and PR, plus Commit & push, Open PR and (High risk)