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blue-spec

Skill Security Usable
Works inClaude Code
Usable Scanned โ€” metadata only

Helps teams systematically identify system behaviors and strengthen defenses against AI-driven attacks, reducing security blindspots before agents exploit them.

๐ŸŒŠ Blue Spec is a toolkit for Security-Driven Hardening, a defensive workflow to help AI agents detect what a system does and harden the defenses that matter.

134 starsMIT (commercial OK)FreeQuick setup
Usable rating โ€” This tool is functional but has notable gaps. Review the evaluation notes below before deploying.

Helps teams systematically identify system behaviors and strengthen defenses against AI-driven attacks, reducing security blindspots before agents exploit them.

Security teams implementing proactive defense strategies against AI-powered threats and system vulnerabilities.

Claude Code Claude Cowork Claude Chat

https://github.com/wellwelwel/blue-spec

By wellwelwel

How to Get It

Option 1: Claude Desktop App (Code Mode)Click the + button next to the prompt box → PluginsAdd plugin. Search and click Install. Skills work in Claude Code only.
Option 2: Paste into Claude CodeCopy the command below and paste it into your conversation. Claude will install it.
Command
npx -y blue-spec@latest init

Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.

First thing to try

After installing, paste this into Claude:

Analyze system behavior and identify security hardening priorities
CostFree

Trust Signals Auto-scanned

Stars134Contributors3Last updated2026-08-04LicenseMIT (OK for commercial use)Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-08-17 · scanner v1

Community Pulse Growing

Discussed on Hacker News

3 mentions across 1 sources

Reviewer notes

Auto-scanned review. These are observations, not a security certification.

Scored from trust signals (evidence-eval-v1): 60 GitHub stars; contributors unknown; last commit 0d ago; license MIT.

Things to check

  • Scanned, not hands-on tested — this entry was auto-scanned from public metadata (GitHub metrics, license, security flags). No reviewer has run it, and no tool-specific limitations have been documented yet.

How to evaluate tools before deploying โ†’

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation

Ease of Use
3/5
Versatility
3/5
Reliability
3/5
Security
3/5
Overall score3.00 / 5.00 UsableEvaluatedJun 2026
Scored from trust signals (evidence-eval-v1): 60 GitHub stars; contributors unknown; last commit 0d ago; license MIT.

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