What is file-viewer?
file-viewer is a Claude Code mod by raincfhnj that git-aware read-only file viewer: tree, diffs, rendered markdown, fuzzy find. It is listed under Git & CI and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | raincfhnj |
| Repository | raincfhnj/plugin-file-viewer |
| Popularity | no public popularity data yet |
| Category | Git & CI |
| Security | Low risk (84/100) |
| Rank | #4,360 of 5,272 Claude Code mods; #314 in Git & CI |
| Last commit | 2026-10-09 |
| Hooks | 7 events |
| Sees | Edit|Write|NotebookEdit|Bash|PowerShell calls |
| Draws on | Pane |
Is file-viewer safe to install?
file-viewer scores 84/100 on the MCPMods security check: Low risk. Things to review: starts processes outside the sandbox. It passed 6 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 |
| Doesn't read environment variables | Pass |
| 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.after | |
$.command.register | |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.process.run | runs processes |
$.session.cwd | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.close | draws interface |
$.ui.invalidate | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
How do I install file-viewer?
- 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/raincfhnj/plugin-file-viewer claude plugin validate ./plugin-file-viewer/adapters/claude-code
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/raincfhnj/plugin-file-viewer && claude --plugin-dir ./plugin-file-viewer/adapters/claude-code
Or ask Claude to set it up
Paste this into Claude Code and it installs file-viewer for you:
Install the "file-viewer" Claude Code mod from https://github.com/raincfhnj/plugin-file-viewer/tree/main/adapters/claude-code. Run claude plugin validate on it first and show me what it can access before you enable it.