blast-radius

blast-radius is a plugin for Claude Code from deepseek-ai/deepseek-harness. Its token cost is not measured, scanned A, original, MIT.

A preview tool that shows what a potentially risky shell command would change before the command runs.

In plain words
What is it for?
Use it when reviewing or checking commands whose effects may be difficult or unsafe to undo.
Why use it?
It helps you inspect a command's impact before it modifies files or other system state.

Plugin for Claude Code ✓ vendor

Written for Claude Code: a Claude Code plugin manifest.

Good fit Use it when reviewing or checking commands whose effects may be difficult or unsafe to undo.

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Install in Claude Code
/plugin marketplace add deepseek-ai/deepseek-harness
/plugin install blast-radius
About the project

DeepSeek Harness is an open-source framework for building and running AI agents, organized so that its functionality is provided through plugins. Developers use it to launch agent workflows through a local web interface or from source, while the catalogue add-ons extend the harness as plugins.

deepseek-ai/deepseek-harness · 251,162 stars · on GitHub · deepseek.com

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/deepseek-ai/deepseek-harness

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for blast-radius

README.md
[![agentmods](https://agentmods.dev/badge/plugins/deepseek-ai/deepseek-harness/blast-radius/github.svg)](https://agentmods.dev/plugins/deepseek-ai/deepseek-harness/blast-radius)
Your own site
<a href="https://agentmods.dev/plugins/deepseek-ai/deepseek-harness/blast-radius"><img src="https://agentmods.dev/badge/plugins/deepseek-ai/deepseek-harness/blast-radius/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for blast-radius

Your own site · 80×15
<a href="https://agentmods.dev/plugins/deepseek-ai/deepseek-harness/blast-radius"><img src="https://agentmods.dev/badge/plugins/deepseek-ai/deepseek-harness/blast-radius.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

blast-radius scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 14d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

packages/experimental/claude-code-mods/examples/blast-radius/.claude-plugin/plugin.json · 7 lines

What it actually says

{
  "name": "blast-radius",
  "version": "0.1.0",
  "description": "See what a risky command would change before it runs.",
  "author": { "name": "You" }
}
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 14d ago First seen · 7 lines scan A 207c9863ecaa

Subscribe to this mod's changes

blast-radius is a plugin published in the GitHub repository deepseek-ai/deepseek-harness (251,162 stars, last pushed today), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-03.