Documentation
Complete guides for building portable, framework-agnostic AI agents
Learn OSSA • Build Agents • Deploy Anywhere
Quick Start
New to OSSA? Start with the 5-minute overview, then build your first agent in minutes.
Core Documentation
Getting Started
Learn the fundamentals of OSSA and build your first agent in minutes.
- 5-Minute Overview
- Hello World
- Your First Agent
API Reference
Complete schema reference, OpenAPI extensions, and quick reference guides.
- Schema Reference
- OpenAPI Extensions
- Quick Reference
Migration Guides
Migrate your existing agents from popular frameworks to OSSA.
- From LangChain
- From Anthropic MCP
- From OpenAI