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 skills add waldo-van-der-code/deutsches-recht-mit-claude --skill bfsggit clone --depth 1 https://github.com/waldo-van-der-code/deutsches-recht-mit-claudeWrote 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/waldo-van-der-code/deutsches-recht-mit-claude/bfsg)<a href="https://agentmods.dev/skills/waldo-van-der-code/deutsches-recht-mit-claude/bfsg"><img src="https://agentmods.dev/badge/skills/waldo-van-der-code/deutsches-recht-mit-claude/bfsg/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.
<a href="https://agentmods.dev/skills/waldo-van-der-code/deutsches-recht-mit-claude/bfsg"><img src="https://agentmods.dev/badge/skills/waldo-van-der-code/deutsches-recht-mit-claude/bfsg.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00116 | $0.03295 |
| Opus 5 | $0.00058 | $0.01648 |
| Sonnet 5 | $0.00023 | $0.00659 |
| Haiku 4.5 | $0.00012 | $0.00330 |
Grade A, and why
bfsg-check 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 11d 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 — 274 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/bfsg-check — BFSG Barrierefreiheits-Prüfung
Prüft, ob eine Website oder App die Anforderungen des Barrierefreiheitsstärkungsgesetzes (BFSG) erfüllt. Das BFSG setzt die EU-Richtlinie 2019/882 (European Accessibility Act) in deutsches Recht um und gilt seit 28. Juni 2025 für B2C-Anbieter digitaler Dienste.
Gesetzesquelle: BFSG via rechtsinformationen-bund-de MCP + WCAG 2.1 AA als technischer Standard.
Step 0 — Route & Setup
Parse invocation args or user intent:
| Pattern | Mode |
|---|---|
scan <url> or arg starts with http |
→ URL-Scan |
audit <path> or a file/dir path given |
→ Code-Audit |
erklaerung or statement |
→ Barrierefreiheitserklärung generieren |
| No args or natural-language question | → Vollprüfung (URL-Scan + Code-Audit + Erklärung-Angebot) |
Check MCP availability: attempt intelligente_rechtssuche with query BFSG Barrierefreiheitsstärkungsgesetz. If it responds, use it for all law lookups. If unavailable, fall back to built-in knowledge — note which source was used.
Prüfe Ausnahmetatbestand (§ 2 Abs. 4 BFSG Kleinstunternehmen):
- Kleinstunternehmen = weniger als 10 Beschäftigte UND Jahresumsatz/Bilanzsumme ≤ 2 Mio. €
- Falls Kleinstunternehmen → flag, aber trotzdem auf freiwillige Compliance prüfen
Display:
bfsg-check | Modus: [X] | Ziel: [Y] | Gesetzesquelle: [MCP / Trainingsdaten]
Modus A — URL-Scan
Ruft die Live-Website ab und prüft automatisch erkennbare Barrierefreiheitsprobleme.
A1 — Abruf
WebFetch auf die Ziel-URL. Extrahiere:
- Vollständiges HTML (Head + Body)
- Alle
<script>und<link>Tags - Alle
<img>,<input>,<button>,<a>,<form>Elemente - Sprachattribut
<html lang="..."> - Seitentitel
<title> - Meta-Tags (viewport, description)
A2 — Automatisch prüfbare Kriterien
Prüfe jeden Punkt und klassifiziere: 🔴 Fehler / 🟡 Warnung / 🟢 Bestanden / ⚪ Nicht prüfbar (manuell erforderlich)
Wahrnehmbar (Perceivable)
| Kriterium | WCAG | Prüfung |
|---|---|---|
Alt-Text für alle <img> |
1.1.1 | <img> ohne alt oder alt="" bei informativen Bildern → 🔴 |
| Kein Color-only Info | 1.4.1 | ⚪ (manuelle Prüfung) |
| Kontrast Text | 1.4.3 | ⚪ (CSS fehlt im HTML-Fetch — hinweis geben) |
| Text-Skalierung | 1.4.4 | Meta-viewport mit user-scalable=no oder maximum-scale=1 → 🔴 |
| Reflow (320px) | 1.4.10 | Viewport-Meta vorhanden → 🟢 wenn width=device-width gesetzt |
| Nicht-Text-Kontrast UI | 1.4.11 | ⚪ (manuelle Prüfung) |
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.
- 11d ago First seen · 274 lines · 116 tokens per session scan A df1b9f5b4301
bfsg-check is a skill published in the GitHub repository waldo-van-der-code/deutsches-recht-mit-claude (41 stars, last pushed 2mo ago), licensed MIT. It adds 116 tokens to every session and 3,295 once invoked, about $0.0006 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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