bfsg-check

bfsg-check is a skill for Claude Code, Codex from waldo-van-der-code/deutsches-recht-mit-claude. It costs 116 tokens per session (3,295 once invoked), scanned A, original, MIT.

A checker for digital accessibility under Germany’s BFSG law, which implements the European Accessibility Act for certain consumer-facing digital services. It uses WCAG 2.1 AA, a widely used set of web accessibility requirements, as its technical standard.

In plain words
What is it for?
Use it to scan a URL, audit website or app code, answer BFSG questions, or generate an accessibility statement. It can check items such as keyboard use, screen readers, ARIA labels, and color contrast.
Why use it?
It helps identify accessibility and legal issues that can prevent people from using a website or app. It also checks whether small-business exceptions may apply.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to scan a URL, audit website or app code, answer BFSG questions, or generate an accessibility statement. It can check items such as keyboard use, screen readers, ARIA labels, and color contrast.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/waldo-van-der-code/deutsches-recht-mit-claude/bfsg
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 waldo-van-der-code/deutsches-recht-mit-claude --skill bfsg
Clone the repo
git clone --depth 1 https://github.com/waldo-van-der-code/deutsches-recht-mit-claude

Made for: Claude Code, Codex.

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 bfsg-check

README.md
[![agentmods](https://agentmods.dev/badge/skills/waldo-van-der-code/deutsches-recht-mit-claude/bfsg/github.svg)](https://agentmods.dev/skills/waldo-van-der-code/deutsches-recht-mit-claude/bfsg)
Your own site
<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.

agentmods 80×15 button for bfsg-check

Your own site · 80×15
<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>
Per session 116 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,295 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original 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 $0.00116 $0.03295
Opus 5 $0.00058 $0.01648
Sonnet 5 $0.00023 $0.00659
Haiku 4.5 $0.00012 $0.00330

Measured 11d ago against content hash df1b9f5b4301, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

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.

skills/bfsg/SKILL.md · 274 lines

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)

Read the full file on GitHub · 274 lines

Files

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.

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. 11d ago First seen · 274 lines · 116 tokens per session scan A df1b9f5b4301

Subscribe to this mod's changes

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.

Related

Other skills, from other repositories

fedramp

Expert guidance for FedRAMP certification and compliance under CR26 (FedRAMP Consolidated Rules for 2026). Use this skill whenever a user asks about FedRAMP authorization, ATO (Authority to Operate), cloud security for federal government, NIST SP 800-53 controls, CSP compliance, or any of the core FedRAMP document…

Sushegaad/Claude-Skills-Governance-Risk-and-Compliance · 236 tokens

eu-cra

Expert EU Cyber Resilience Act (CRA) advisor for Regulation (EU) 2024/2847 — mandatory cybersecurity and vulnerability handling requirements for all products with digital elements (PDEs) sold in the EU. Use this skill for gap analysis, product classification (Default / Class I / Class II), conformity assessment route…

Sushegaad/Claude-Skills-Governance-Risk-and-Compliance · 133 tokens

gdpr-compliance

Expert GDPR compliance assistant covering all four core workflows: (1) auditing code and systems for GDPR violations, (2) drafting GDPR-compliant documents such as privacy policies, Data Processing Agreements (DPAs), and consent notices, (3) answering GDPR compliance questions with authoritative article citations, and…

Sushegaad/Claude-Skills-Governance-Risk-and-Compliance · 176 tokens

iso42001

Expert ISO 42001 AI Management System (AIMS) compliance advisor. Use this skill whenever a user asks about ISO/IEC 42001:2023, AI governance, AI management systems, AI risk assessment, AI system impact assessment, Annex A controls for AI, Statement of Applicability for AI systems, AI policy, responsible AI, AI…

Sushegaad/Claude-Skills-Governance-Risk-and-Compliance · 173 tokens

nist-800-53

NIST SP 800-53 Rev 5 compliance advisor — all 20 control families (AC, AT, AU, CA, CM, CP, IA, IR, MA, MP, PE, PL, PM, PS, PT, RA, SA, SC, SI, SR), Low/Moderate/High baseline selection, FIPS 199/200 system categorization, control tailoring and overlays, privacy controls (PT family), supply chain risk management (SR…

Sushegaad/Claude-Skills-Governance-Risk-and-Compliance · 177 tokens

vn-pdpl

Expert Vietnam Personal Data Protection Law (PDPL) compliance advisor for Law No. 91/2025/QH15 and implementing Decree 356/2025/ND-CP (effective January 1, 2026). Use this skill for gap analysis against the Vietnam PDPL, data subject rights fulfilment workflows, cross-border data transfer impact assessments, privacy…

Sushegaad/Claude-Skills-Governance-Risk-and-Compliance · 140 tokens