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Letta Code
API Docs
API Reference

Letta Code
API Docs
API Reference
Letta Code ↗
Letta Code SDK ↗
API Platform
Core concepts
- Stateful agents
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- AgentFile (.af)
Docker server
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  - Shared memory blocks
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Experimental & legacy
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  - ADE overview
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  - lettactl
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  - Letta Evals
  - Getting started
  - Core concepts
    
    Core concepts
    Suites
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  - Configuration
    
    Suite YAML reference
  - Graders
    
    Tool Graders
    Rubric Graders
    Multi-metric evaluation
  - Extractors
    
    Built-in extractors
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  - Advanced
    
    Custom Graders
    Multi-turn conversations
  - CLI reference
    
    CLI commands
  - Results & metrics
    
    Understanding results
  - Troubleshooting
    
    Troubleshooting
- Filesystem (Deprecated)
- Templates & versioning
- Role-based access control

On this page

Overview

On this page

Overview

Tutorials

Advanced

Advanced topics

RAG, multi-user systems, and other advanced patterns

Explore advanced patterns including RAG, multi-user systems, and API-driven automation.

Hierarchical teams

Organize agents into hierarchical layers where managers coordinate work across levels with tag-based routing and shared memory.

Custom RAG pipelines

Learn to integrate external vector databases like ChromaDB with Letta agents using standard and agentic RAG approaches.