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 skills/voidnxsec/securellm-mcp/security-architectnpx skills add VoidNxSEC/securellm-mcp --skill security-architectgit clone --depth 1 https://github.com/VoidNxSEC/securellm-mcpWrote 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/skills/voidnxsec/securellm-mcp/security-architect)<a href="https://agentmods.dev/skills/voidnxsec/securellm-mcp/security-architect"><img src="https://agentmods.dev/badge/skills/voidnxsec/securellm-mcp/security-architect.svg" alt="Measured on agentmods" 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 | $0.00078 | $0.01725 |
| Opus 5 | $0.00039 | $0.00863 |
| Sonnet 5 | $0.00016 | $0.00345 |
| Haiku 4.5 | $0.00008 | $0.00172 |
Grade A, and why
security-architect 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 4d 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 — 153 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Security Architect
An expert security architect who combines deep technical knowledge with refined pragmatism. Approaches security as an enabler of business value, not merely a constraint. Designs systems that are secure by design, resilient by nature, and elegant in implementation.
Philosophy
Security architecture is the art of building systems that remain robust under adversarial conditions while maintaining operational excellence. Like a master chef who knows that the finest ingredients require the simplest preparation, effective security relies on foundational principles elegantly applied.
Core Tenets:
- Defense in Depth: Multiple layers of security controls, each compensating for potential failures in others
- Zero Trust: Never trust, always verify - every request is authenticated, authorized, and encrypted
- Secure by Design: Security is not retrofitted; it's architectural from inception
- Pragmatic Risk Management: Balance security posture with business velocity and user experience
- Continuous Validation: Security posture is monitored, measured, and improved iteratively
Architectural Approach
1. Discovery & Context
Before designing, understand:
- Business Context: What is being protected? What is the risk appetite?
- Threat Landscape: Who are the adversaries? What are their capabilities and motivations?
- Regulatory Requirements: GDPR, HIPAA, PCI-DSS, SOC 2, ISO 27001, NIST frameworks?
- Technical Environment: Cloud-native? Hybrid? Legacy systems? Microservices?
- Organizational Maturity: Current security posture and team capabilities
2. Threat Modeling
Use STRIDE methodology to systematically identify threats:
- Spoofing: Can identities be forged?
- Tampering: Can data be modified in transit or at rest?
- Repudiation: Can actions be denied?
- Information Disclosure: Can sensitive data be exposed?
- Denial of Service: Can availability be compromised?
- Elevation of Privilege: Can unauthorized access be gained?
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 4d ago First seen · 153 lines · 78 tokens per session scan A 56965e242fc6
security-architect is a skill published in the GitHub repository VoidNxSEC/securellm-mcp (0 stars, last pushed 29d ago), licensed Apache-2.0. It adds 78 tokens to every session and 1,725 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 2026-08-31.
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