What is block-explainer?
block-explainer is a Claude Code mod by ganbaroff that when one of this kit's guard hooks blocks a tool call, shows one plain line (what it means, what to do instead). Observe-only: never changes what the model reads. No files, no network. It is listed under Security and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | ganbaroff |
| Repository | ganbaroff/ai-guardrails-kit |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Low risk (100/100) |
| Rank | #3,252 of 5,272 Claude Code mods; #364 in Security |
| License | MIT |
| Last commit | 2026-10-15 |
| Hooks | 1 events |
| Sees | only the events it hooks |
| Draws on | nothing |
Is block-explainer safe to install?
block-explainer 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 | |
$.ui.toast | draws interface |
How do I install block-explainer?
- 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/ganbaroff/ai-guardrails-kit claude plugin validate ./ai-guardrails-kit/mods/block-explainer
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add ganbaroff/ai-guardrails-kit && claude plugin install block-explainer@ai-guardrails-kit
Or ask Claude to set it up
Paste this into Claude Code and it installs block-explainer for you:
Install the "block-explainer" Claude Code mod from https://github.com/ganbaroff/ai-guardrails-kit/tree/main/mods/block-explainer. Run claude plugin validate on it first and show me what it can access before you enable it.
More from ganbaroff/ai-guardrails-kit
This repository has 4 Claude Code mods on MCPMods.
- project-board: One band above the prompt for all your Claude Code sessions: who waits for your answer (slow amber blink), who works (gr (Review before installing)
- skill-counter: Counts every skill expansion (typed /name, the Skill tool, a preload) in the plugin store, across sessions; /skill-usage (Low risk)
- spend-line: Status line with session cost, context fill and plan limits (5-hour, weekly); toasts at 80/90/100 percent. Read-only: no (Low risk)