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/bahaabdelwahed/embedded-claude-plugin/security-analysisnpx skills add bahaabdelwahed/embedded-claude-plugin --skill security-analysisgit clone --depth 1 https://github.com/bahaabdelwahed/embedded-claude-pluginWrote 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/bahaabdelwahed/embedded-claude-plugin/security-analysis)<a href="https://agentmods.dev/skills/bahaabdelwahed/embedded-claude-plugin/security-analysis"><img src="https://agentmods.dev/badge/skills/bahaabdelwahed/embedded-claude-plugin/security-analysis.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 5.1 | $0.00080 | $0.01166 |
| Opus 5 | $0.00040 | $0.00583 |
| Sonnet 5 | $0.00016 | $0.00233 |
| Haiku 4.5 | $0.00008 | $0.00117 |
Grade A, and why
security-analysis 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 6d 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 — 110 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Security Feature Analysis
Extract and interpret STM32 security features from reference manual and security documentation PDFs.
What to Extract
Flash Protection
- RDP (Read-out Protection): Levels 0 (no protection), 1 (debug restricted), 2 (permanent, irreversible)
- WRP (Write Protection): Per-sector/page write protection via option bytes
- PCROP (Proprietary Code Read-Out Protection): Execute-only regions, code cannot be read even by other firmware
Advanced Security Features (Family Dependent)
- Firewall (L0, L4): Hardware IP code isolation, prevents access from non-firewalled code
- TrustZone (L5, U5, H5, WBA): ARM TrustZone-M with SAU, secure/non-secure partitioning
- Secure Boot: Verified boot chain, root of trust
- SBSFU (Secure Boot and Secure Firmware Update): ST middleware for OTA updates
Option Bytes
- RDP level configuration
- WRP sector selection
- BOR (Brown-Out Reset) level
- nBOOT and boot source configuration
- Watchdog configuration (hardware/software)
- User option bytes
Where to Find This Information
Reference Manual - Flash Protection
Glob pattern: docs/reference-manual/*.pdf
- Read pages 1-5 (ToC) to find the "Flash" chapter (often titled "Embedded Flash memory")
- Within the Flash chapter, search for sections titled:
- "Read protection" or "RDP" (RDP levels and transition rules)
- "Write protection" or "WRP" (sector/page protection configuration)
- "PCROP" or "Proprietary code" (if available on the family)
- Also find the "Option bytes" section (sometimes a separate chapter, sometimes within Flash)
- Contains register descriptions for FLASH_OPTCR, FLASH_OPTCR1
- Shows which bits control which protection feature
Reference Manual - Firewall/TrustZone
- Search ToC for "Firewall" chapter (L0/L4 families)
- Search ToC for "TrustZone" or "SAU" or "GTZC" (L5/U5/H5)
- These are separate chapters with their own register descriptions
Security Documents
Glob pattern: docs/security-docs/*.pdf
What ships with it
1 file 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.
- 6d ago First seen · 110 lines · 80 tokens per session scan A dc9c1fd29706
security-analysis is a skill published in the GitHub repository bahaabdelwahed/embedded-claude-plugin (5 stars, last pushed 5mo ago), licensed MIT. It adds 80 tokens to every session and 1,166 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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