Markdown that scales.
Build trusted knowledge bases with Markdown, Pydantic, and Pytest.
The rigor of code meets the fluidity of natural language.
Schema-First
Define the structure of your knowledge base using Pydantic models. No more unstructured chaos.
Logic Constraints
Write validation rules in pure Python. If the logic holds in code, it holds in reality.
Instant Feedback
Catch logical contradictions and data errors directly in the editor, just like a compiler for your notes.
Built for the AI Era.
Typedown isn't just for humans. We provide pre-built Skills that teach AI Agents how to read, write, and validate Typedown documents.
How to enable AI Skills
Create and Place Skills
Create skills/typedown-expert directory in your project root, and download skill.md into it.
Update System Prompt
Add instructions to your Agents.md or system prompt to let the AI discover the skill: