faa-sem

faa-sem is a skill for Claude Code from jgsystemsconsulting/jgs-se-knowledge-packs. It costs 321 tokens per session (4,249 once invoked), scanned C, original, no licence file.

A reference guide to the FAA Systems Engineering Manual. The FAA is the U.S. agency responsible for civil aviation, and systems engineering is the structured work of defining, building, and managing complex systems.

In plain words
What is it for?
Use it to work with the FAA acquisition lifecycle, its five phases, decision points, operational concepts, and related systems-engineering activities.
Why use it?
It explains how the FAA applies systems engineering within its acquisition process and airspace programs.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the jgs-se-knowledge-packs plugin — 65 skills shipped together

Good fit Use it to work with the FAA acquisition lifecycle, its five phases, decision points, operational concepts, and related systems-engineering activities.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jgsystemsconsulting/jgs-se-knowledge-packs/faa-sem
Install

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.

Any agent
npx skills add jgsystemsconsulting/jgs-se-knowledge-packs --skill faa-sem
Clone the repo
git clone --depth 1 https://github.com/jgsystemsconsulting/jgs-se-knowledge-packs

Made for: Claude Code.

Or install jgs-se-knowledge-packs, the plugin that ships this one along with the rest of its 65 skills.

Wrote 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.

agentmods badge for faa-sem

README.md
[![agentmods](https://agentmods.dev/badge/skills/jgsystemsconsulting/jgs-se-knowledge-packs/faa-sem/github.svg)](https://agentmods.dev/skills/jgsystemsconsulting/jgs-se-knowledge-packs/faa-sem)
Your own site
<a href="https://agentmods.dev/skills/jgsystemsconsulting/jgs-se-knowledge-packs/faa-sem"><img src="https://agentmods.dev/badge/skills/jgsystemsconsulting/jgs-se-knowledge-packs/faa-sem/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.

agentmods 80×15 button for faa-sem

Your own site · 80×15
<a href="https://agentmods.dev/skills/jgsystemsconsulting/jgs-se-knowledge-packs/faa-sem"><img src="https://agentmods.dev/badge/skills/jgsystemsconsulting/jgs-se-knowledge-packs/faa-sem.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 321 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,249 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00321 $0.04249
Opus 5 $0.00161 $0.02124
Sonnet 5 $0.00064 $0.00850
Haiku 4.5 $0.00032 $0.00425

Measured 10d ago against content hash e9db02fe5492, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade C, and why

faa-sem scanned grade C with 1 finding 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 10d 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.

Hidden instructionshighPrompt injection

Directives inside HTML comments, invisible characters or bidirectional overrides are read by the model and not by the person reviewing the file.

<!-- argument-hint: [AMS phase/decision point, ConOps, functional analysis, FFBD/N², requirements/PRS/MRS/PRD, architecture/RAM, SEMP, interface/IRD/ICD, RIO risk, configuration management, V&V, decision analysis, RMA/Se
packs/faa-sem/SKILL.md · 131 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

Changes

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.

  1. 10d ago First seen · 131 lines · 321 tokens per session scan C e9db02fe5492

Subscribe to this mod's changes

faa-sem is a skill published in the GitHub repository jgsystemsconsulting/jgs-se-knowledge-packs (5 stars, last pushed 21d ago), with no licence file. It adds 321 tokens to every session and 4,249 once invoked, about $0.0016 per session on Opus 5. A static security scan graded it C with 1 finding (hidden instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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