What is migration-guard?
migration-guard is a Claude Code mod by balen-abd that makes Claude ask before it touches your database migrations or runs destructive SQL, with the risk and what it found. It is listed under Security and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | balen-abd |
| Repository | balen-abd/claude-migration-guard |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Low risk (100/100) |
| Rank | #2,698 of 5,272 Claude Code mods; #310 in Security |
| License | MIT |
| Last commit | 2026-10-05 |
| Hooks | 3 events |
| Sees | /"^(Bash|PowerShell|Monitor)$"/ calls, /"^mcp__"/ calls, AskUserQuestion calls, Edit calls, Write calls |
| Draws on | nothing |
Is migration-guard safe to install?
migration-guard scores 100/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 8 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 |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.now | |
$.command.register | |
$.session.cwd | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.ask | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install migration-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/balen-abd/claude-migration-guard claude plugin validate ./claude-migration-guard/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/balen-abd/claude-migration-guard && claude --plugin-dir ./claude-migration-guard/.
Or ask Claude to set it up
Paste this into Claude Code and it installs migration-guard for you:
Install the "migration-guard" Claude Code mod from https://github.com/balen-abd/claude-migration-guard. Run claude plugin validate on it first and show me what it can access before you enable it.