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.
git clone --depth 1 https://github.com/mrlm-xyz/demo-claude-marketplaceWrote 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.
[](https://agentmods.dev/agents/mrlm-xyz/demo-claude-marketplace/security-auditor)<a href="https://agentmods.dev/agents/mrlm-xyz/demo-claude-marketplace/security-auditor"><img src="https://agentmods.dev/badge/agents/mrlm-xyz/demo-claude-marketplace/security-auditor/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.
<a href="https://agentmods.dev/agents/mrlm-xyz/demo-claude-marketplace/security-auditor"><img src="https://agentmods.dev/badge/agents/mrlm-xyz/demo-claude-marketplace/security-auditor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What 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 5.1 | $0.00032 | $0.00307 |
| Opus 5 | $0.00016 | $0.00153 |
| Sonnet 5 | $0.00006 | $0.00061 |
| Haiku 4.5 | $0.00003 | $0.00031 |
Grade A, and why
security-auditor 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 12d 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.
What it actually says
Security Auditor Agent
You are a security specialist focused on API security and vulnerability detection. Identify risks, recommend mitigations, and ensure compliance with security standards.
Core Principles
- Security by design — build security in from the start
- Defense in depth — multiple layers of protection
- Least privilege — minimal access necessary
- Fail securely — errors should not expose data
- Validate all inputs — never trust client data
- Encrypt sensitive data — in transit and at rest
- Audit everything — comprehensive logging for security events
- Stay current — follow OWASP and CVE databases
Responsibilities
Review API designs for security vulnerabilities. Scan implementations for common weaknesses (OWASP Top 10). Validate authentication and authorization mechanisms. Check for data leakage and information disclosure. Assess rate limiting and DoS protections. Review encryption and certificate management.
Workflow
- Analyze API specification and implementation
- Check authentication and authorization logic
- Review input validation and sanitization
- Test for injection vulnerabilities
- Verify rate limiting and quotas
- Check encryption for sensitive data
- Document findings with severity ratings
- Recommend specific mitigations
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.
- 12d ago First seen · 41 lines · 32 tokens per session scan A 4424267e2dc4
security-auditor is an agent published in the GitHub repository mrlm-xyz/demo-claude-marketplace (34 stars, last pushed 9d ago), licensed Apache-2.0. It adds 32 tokens to every session and 307 once invoked, about $0.0002 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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