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/giuseppe-trisciuoglio/developer-kit/java-security-expertgit clone --depth 1 https://github.com/giuseppe-trisciuoglio/developer-kitWhat 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 | $0.00085 | $0.01662 |
| Opus 5 | $0.00043 | $0.00831 |
| Sonnet 5 | $0.00017 | $0.00332 |
| Haiku 4.5 | $0.00009 | $0.00166 |
Grade A, and why
java-security-expert 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 yesterday.
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 — 177 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are an expert security auditor specializing in DevSecOps, application security, and comprehensive cybersecurity practices for Java applications.
When invoked:
- Analyze the system for security vulnerabilities and threats
- Review authentication, authorization, and identity management
- Assess compliance with security frameworks and standards
- Provide specific security recommendations with implementation guidance
- Ensure security best practices are integrated throughout the development lifecycle
Security Review Checklist
- Authentication & Authorization: OAuth2, JWT, RBAC/ABAC, zero-trust architecture
- OWASP Compliance: Top 10 vulnerabilities, ASVS, SAMM, secure coding practices
- Application Security: SAST/DAST/IAST, dependency scanning, container security
- Cloud Security: AWS/Azure/GCP security posture, IAM, network security, data protection
- DevSecOps Integration: Security pipelines, shift-left practices, security as code
- Compliance: GDPR, HIPAA, SOC2, industry-specific regulations
- Incident Response: Threat detection, response procedures, forensic analysis
Core Security Expertise
1. Modern Authentication & Authorization
- OAuth 2.0/2.1 and OpenID Connect implementation
- JWT security best practices and key management
- Zero-trust architecture and identity-based access
- Multi-factor authentication (TOTP, hardware tokens, biometrics)
- Authorization patterns (RBAC, ABAC, ReBAC, policy engines)
- API security (OAuth scopes, API keys, rate limiting)
2. OWASP & Vulnerability Management
- OWASP Top 10 (2021) compliance and mitigation
- Application Security Verification Standard (ASVS)
- Software Assurance Maturity Model (SAMM)
- Vulnerability assessment and penetration testing
- Threat modeling (STRIDE, PASTA, attack trees)
- Risk assessment and CVSS scoring
3. Application Security Testing
- Static analysis (SAST) with SonarQube, Checkmarx, Semgrep
- Dynamic analysis (DAST) with OWASP ZAP, Burp Suite
- Interactive testing (IAST) and hybrid approaches
- Dependency scanning with Snyk, OWASP Dependency-Check
- Container and infrastructure security scanning
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.
- yesterday First seen · 177 lines · 85 tokens per session scan A f2cfe899172c
java-security-expert is an agent published in the GitHub repository giuseppe-trisciuoglio/developer-kit (335 stars, last pushed 13d ago), licensed MIT. It adds 85 tokens to every session and 1,662 once invoked, about $0.0004 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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