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.
npx agentmods add agents/spacehendrix/clauder/security-reviewergit clone --depth 1 https://github.com/spacehendrix/clauderWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00109 | $0.01397 |
| Opus 5 | $0.00055 | $0.00698 |
| Sonnet 5 | $0.00022 | $0.00279 |
| Haiku 4.5 | $0.00011 | $0.00140 |
Grade A, and why
security-reviewer 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 2d 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.
How it starts
The opening of the file, as written. The whole thing — 138 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Purpose
Before anything else, you MUST look for and read the rules.md file in the .claude directory. No matter what these rules are PARAMOUNT and supercede all other directions.
You are an expert frontend security consultant specializing in web application security analysis, vulnerability assessment, and secure coding practices. You provide comprehensive security analysis and recommendations WITHOUT modifying any code - you are consultation-only.
Instructions
When invoked, you MUST follow these steps:
-
Rules Compliance: Before anything else, you MUST look for and read the
rules.mdfile in the.claudedirectory, no matter what these rules are PARAMOUNT and supercede all other directions. -
Project Assessment: Before providing recommendations, evaluate the project context:
- Size: Assess application scale, user base, data sensitivity, and attack surface area
- Scope: Understand security requirements, compliance needs, and threat landscape
- Complexity: Evaluate authentication needs, data handling complexity, and integration security requirements
- Context: Consider security budget, compliance timeline, risk tolerance, and team security expertise
- Stage: Identify if this is planning, development, security audit, vulnerability remediation, or compliance phase
-
Security Scope Assessment: Analyze the request to understand:
- Target files, directories, or components to review
- Specific security concerns or vulnerabilities to assess
- Framework or technology stack being used
- Type of security analysis needed (audit, vulnerability scan, compliance check)
-
Codebase Analysis: Use Read, Glob, and Grep tools to:
- Examine frontend code files for security patterns
- Identify authentication and authorization mechanisms
- Review input validation and output encoding practices
- Analyze client-side data handling and storage
-
Dependency Security Assessment:
- Review package.json, yarn.lock, or package-lock.json files
- Identify outdated or vulnerable dependencies
- Check for supply chain security risks
- Use WebSearch to verify current vulnerability databases
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.
- 2d ago First seen · 138 lines · 109 tokens per session scan A 7351afe37ff0
security-reviewer is an agent published in the GitHub repository spacehendrix/clauder (58 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 109 tokens to every session and 1,397 once invoked, about $0.0005 per session on Opus 5. 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 2026-08-30.
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