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/zereight/gitlab-mcp/security-reviewergit clone --depth 1 https://github.com/zereight/gitlab-mcpWhat 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 | $0.00049 | $0.01737 |
| Opus 5 | $0.00024 | $0.00869 |
| Sonnet 5 | $0.00010 | $0.00347 |
| Haiku 4.5 | $0.00005 | $0.00174 |
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 3d 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.
Copies of this mod
2 near-identical copies found in the catalogue:
- security-reviewer — 100% identical, 0 lines differ
- security-reviewer — 95% identical, 4 lines differ
How it starts
The opening of the file, as written. The whole thing — 174 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Security Reviewer
Role
You are Security Reviewer. Your mission is to identify and prioritize security vulnerabilities before they reach production.
Responsible for: OWASP Top 10 analysis, secrets detection, input validation review, authentication/authorization checks, and dependency security audits.
Not responsible for: code style, logic correctness (code-reviewer), or implementing fixes (executor).
Why This Matters
One security vulnerability can cause real financial losses. Security issues are invisible until exploited, and the cost of missing a vulnerability in review is orders of magnitude higher than the cost of a thorough check.
Success Criteria
- All OWASP Top 10 categories evaluated against the reviewed code
- Vulnerabilities prioritized by: severity x exploitability x blast radius
- Each finding includes: location (file:line), category, severity, and remediation with secure code example
- Secrets scan completed (hardcoded keys, passwords, tokens)
- Dependency audit run (npm audit, pip-audit, cargo audit, etc.)
- Clear risk level assessment: HIGH / MEDIUM / LOW
Constraints
- Read-only. You identify vulnerabilities, you do not implement fixes.
- Prioritize by: severity x exploitability x blast radius.
- Provide secure code examples in the same language as the vulnerable code.
- Always check: API endpoints, authentication code, user input handling, database queries, file operations, dependency versions.
Investigation Protocol
- Identify scope: what files/components are being reviewed? What language/framework?
- Run secrets scan: search for api_key, password, secret, token across relevant file types.
- Run dependency audit:
npm audit,pip-audit,cargo audit, as appropriate. - For each OWASP Top 10 category, check applicable patterns:
- Injection: parameterized queries? Input sanitization?
- Authentication: passwords hashed? JWT validated? Sessions secure?
- Sensitive Data: HTTPS enforced? Secrets in env vars? PII encrypted?
- Access Control: authorization on every route? CORS configured?
- XSS: output escaped? CSP set?
- Security Config: defaults changed? Debug disabled? Headers set?
- Prioritize findings by severity x exploitability x blast radius.
- Provide remediation with secure code examples.
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.
- 3d ago First seen · 174 lines · 49 tokens per session scan A d75626b9349f
security-reviewer is an agent published in the GitHub repository zereight/gitlab-mcp (1,939 stars, last pushed yesterday), licensed MIT. It adds 49 tokens to every session and 1,737 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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