What is prose-guard?
prose-guard is a Claude Code mod by cprentice9 that blocks em dashes in edits, shell commands and replies, and British spellings in prose files, commit messages and pull requests. It is listed under Security and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | cprentice9 |
| Repository | cprentice9/ccmods |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Low risk (96/100) |
| Rank | #2,955 of 5,272 Claude Code mods; #340 in Security |
| Last commit | 2026-10-12 |
| Hooks | 3 events |
| Sees | classic hooks, every tool call |
| Draws on | nothing |
Is prose-guard safe to install?
prose-guard scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 7 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 |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.fs.read | reads files |
$.session.messages | reads the transcript |
How do I install prose-guard?
- 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/cprentice9/ccmods claude plugin validate ./ccmods/prose-guard
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/cprentice9/ccmods && claude --plugin-dir ./ccmods/prose-guard
Or ask Claude to set it up
Paste this into Claude Code and it installs prose-guard for you:
Install the "prose-guard" Claude Code mod from https://github.com/cprentice9/ccmods/tree/main/prose-guard. Run claude plugin validate on it first and show me what it can access before you enable it.
More from cprentice9/ccmods
This repository has 3 Claude Code mods on MCPMods.
- stuck-detector: Notices when the same test command fails twice in a row and tells the model to ask for a second opinion. (Low risk)
- working-clawd: While Claude works, Clawd walks above the prompt: across a starry sky in the desktop app, Ghostty and kitty, stopping to (Low risk)