claude-skills-hub
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🧠 Powerful, tested skills for Claude. Featuring CertMaster OS: turn PDFs, syllabi and lecture transcripts into Obsidian/Notion study notes with quizzes and anti-hallucination guardrails.
📚 CertMaster OS — High-Density Study & Knowledge Architect for Claude
cert-master is an elite, production-grade system prompt (Skill) for Anthropic's Claude designed to convert raw, chaotic educational materials (PDFs, official documentation, video transcripts, or lecture notes) into pristine, future-proof Obsidian vaults or Notion databases.
It implements progressive disclosure, strict anti-hallucination protocols, and interactive commands to supercharge your active recall study workflow.
🔥 Key Features
- 🧠 Multi-Platform Adaptability: Natively detects and shapes outputs for Obsidian (using YAML frontmatter, internal links
[[Note]], and nested callouts) or Notion (clean Markdown databases). - 🛡️ Epistemic Responsibility: Enforces a zero-extrapolation anchor. If a technical command, flag, or definition isn't explicitly in your source material, Claude will declare ignorance rather than hallucinate.
- 💬 Dual-Response Layer: Claude acts as an elite mentor in the chat (explaining why a concept matters pedagogically) while writing an immaculate technical asset in a single code block for your vault.
- 🧹 Transcription Sanitizer: Strips out verbal tics, repetitions, and conversational noise from lecture transcripts (YouTube, Udemy) and builds dense academic prose.
🛠️ Interactive Commands
Once the skill is active, you can trigger these advanced workflows directly in your chat:
| Command | Action | Output Style |
|---|---|---|
/setup |
Calibrates the multi-project memory | Interactive onboarding test |
/quiz |
Suspends note-taking and launches an active recall test | 5 Exam-style situational questions with hidden answers |
/moc |
Compiles an automated Map of Content / Index | Centralized dashboard linked to your generated notes |
/video <url> |
Ingests, cleans, and documents video lecture transcripts | Dual pedagogical brief + clean documentation asset |
/audit |
Refactors, cleans, and upgrades an existing legacy note | Diagnostic feedback + high-density restructured code |
/tools |
Analyzes your tech stack and recommends MCP setups | Verified Model Context Protocol installation guide |
🚀 Installation & Usage
Method 1: Claude Web Interface
- Download the
skills/cert-masterfolder from this repository and compress it as a.zip. - In Claude, go to Customize > Skills and upload the
.zip. - Start a new chat and type
/setupto initialize your tracking profile.
Method 2: Claude Code (CLI)
Copy the skill folder into your global or local agent skills path:
cp -r skills/cert-master ~/.claude/skills/
🔌 Supercharge with MCP (Model Context Protocol)
cert-master is optimized for 2026 agentic workflows. Combine this skill with:
- Filesystem MCP: To allow Claude to write notes directly into your local Obsidian Vault without copy-pasting.
- Notion MCP: To automatically sync generated summaries and quiz blocks straight into your cloud databases via API.
MIT License © 2026
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