FastAPI Agents Roadmap

Agent Framework support

• Pydantic AI
  • Specify PydanticAI dependencies on 'simple' mode request body
  • Infer PydanticAI dependencies on 'openai' mode with a helper agent
  • Inject PydanticAI dependencies from on security dependency
• Pydantic Graph
  • Input state on request
• Llama-Index
• Smolagents
• CrewAI
• LangChain:
  • LangGraph
• Autogen

API Features

• Simple mode (one endpoint per agent)
• Customisable security dependencies
  • Per agent security
• OpenAI mode
  • Chat Completions endpoint
  • Models endpoint
• Streaming
• Output tool selection ("inner thoughts")
• Increased request concurrency

Containers

• Pre-built Containers for each Agent framework
• Dynamic requirements.txt
• Support for Multiple Agents in one container
• Alternative package manager support
  • Poetry
  • UV
• Reduce container sizes

Developer Experience

• Standalone doc site
• Examples folder
  • Examples on doc site
• Guided notebooks
• Flexible router attachment
• Optional FastAPI app creation
• Automatic framework adapter selection
• Gradio UI for testing agents

Contributor Experience

• Automated tests
• Code coverage reporting
• Issue templates