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Course Outline
LangGraph and Agent Patterns: A Practical Primer
- Graphs versus linear chains: understanding when and why to use each.
- Agents, tools, and planner-executor loops.
- Hello workflow: introducing a minimal agentic graph.
State, Memory, and Context Passing
- Designing graph state structures and node interfaces.
- Distinguishing between short-term memory and persisted memory.
- Managing context windows, summarization, and rehydration.
Branching Logic and Control Flow
- Conditional routing and handling multi-path decisions.
- Implementing retries, timeouts, and circuit breakers.
- Utilizing fallbacks, dead-ends, and recovery nodes.
Tool Use and External Integrations
- Executing function/tool calls from nodes and agents.
- Consuming REST APIs and databases within the graph.
- Parsing and validating structured outputs.
Retrieval-Augmented Agent Workflows
- Strategies for document ingestion and chunking.
- Utilizing embeddings and vector stores with ChromaDB.
- Generating grounded responses with citations and safeguards.
Evaluation, Debugging, and Observability
- Tracing execution paths and inspecting node interactions.
- Utilizing golden sets, evaluations, and regression tests.
- Monitoring quality, safety, and cost/latency metrics.
Packaging and Delivery
- Managing dependencies and implementing FastAPI serving.
- Versioning graphs and employing rollback strategies.
- Developing operational playbooks and incident response plans.
Summary and Next Steps
Requirements
- Practical working knowledge of Python.
- Experience in developing LLM applications or prompt chains.
- Familiarity with REST APIs and JSON.
Audience
- AI engineers.
- Product managers.
- Developers constructing interactive LLM-driven systems.
14 Hours
