Course Outline

LangGraph and Agent Patterns: A Practical Primer for Government

  • Comparing Graphs to Linear Chains: When and Why
  • Agents, Tools, and Planner-Executor Loops
  • Hello Workflow: A Minimal Agentic Graph

State, Memory, and Context Passing for Government

  • Designing Graph State and Node Interfaces
  • Short-Term Memory versus Persisted Memory
  • Context Windows, Summarization, and Rehydration

Branching Logic and Control Flow for Government

  • Conditional Routing and Multi-Path Decisions
  • Retries, Timeouts, and Circuit Breakers
  • Fallbacks, Dead-Ends, and Recovery Nodes

Tool Use and External Integrations for Government

  • Function/Tool Calling from Nodes and Agents
  • Consuming REST APIs and Databases from the Graph
  • Structured Output Parsing and Validation

Retrieval-Augmented Agent Workflows for Government

  • Document Ingestion and Chunking Strategies
  • Embeddings and Vector Stores with ChromaDB
  • Grounded Responses with Citations and Safeguards

Evaluation, Debugging, and Observability for Government

  • Tracing Paths and Inspecting Node Interactions
  • Golden Sets, Evaluations, and Regression Tests
  • Quality, Safety, and Cost/Latency Monitoring

Packaging and Delivery for Government

  • FastAPI Serving and Dependency Management
  • Versioning Graphs and Rollback Strategies
  • Operational Playbooks and Incident Response

Summary and Next Steps for Government

Requirements

  • Demonstrated proficiency in Python
  • Experience developing large language model (LLM) applications or prompt chains
  • Familiarity with REST APIs and JSON data formats

Audience for Government

  • Artificial intelligence engineers
  • Product managers
  • Developers working on interactive LLM-driven systems
 14 Hours

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