What is blast-radius?
blast-radius is a Claude Code mod by japan-da-man that [mod] Holds risky shell commands (rm -rf, git reset --hard, force push, git clean, migrations, find -delete, xargs rm, also inside bash -c / eval) and shows what they would change in a. It is listed under Security and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | japan-da-man |
| Repository | japan-da-man/claude-code |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Low risk (80/100) |
| Rank | #3,517 of 5,272 Claude Code mods; #381 in Security |
| Last commit | 2026-10-05 |
| Hooks | 4 events |
| Sees | Bash calls |
| Draws on | Pane, AbovePrompt |
Is blast-radius safe to install?
blast-radius scores 80/100 on the MCPMods security check: Low risk. Things to review: starts processes outside the sandbox. 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 |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Validator reported problems | Note |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.clock.now | |
$.command.register | |
$.process.run | runs processes |
$.session.cwd | |
$.session.surfaces | |
$.ui.close | draws interface |
$.ui.invalidate | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install blast-radius?
- 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/japan-da-man/claude-code claude plugin validate ./claude-code/plugins/blast-radius
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add japan-da-man/claude-code && claude plugin install blast-radius@japan-da-man
Or ask Claude to set it up
Paste this into Claude Code and it installs blast-radius for you:
Install the "blast-radius" Claude Code mod from https://github.com/japan-da-man/claude-code/tree/main/plugins/blast-radius. Run claude plugin validate on it first and show me what it can access before you enable it.
More from japan-da-man/claude-code
This repository has 6 Claude Code mods on MCPMods.
- replay-theater: [mod] Records the file edits Claude makes in a turn; /replay or r steps through the diffs one at a time in a pane. Based (Low risk)
- spec-flow: [mod] [skills] Turns a feature request into a spec, one approved step at a time: clarify the request (asking you what is (Review before installing)
- todo-mod: [mod] TODO pane: check a task to have Claude run it (Low risk)
- token-weather: [mod] A live forecast of the context window above the prompt: weather icon, fill, tokens, a chart of the last turns and (Low risk)
- usage-stats: [mod] Usage stats pane: sessions, messages, tokens, active days, streak, favorite model and a daily heatmap (Low risk)