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langgraph-persistence

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INVOKE THIS SKILL when your LangGraph needs to persist state, remember conversations, travel through history, or configure subgraph checkpointer scoping. Covers checkpointers, thread_id, time travel, Store, and subgraph persistence modes.

config/skills/langgraph-persistence/SKILL.md

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1,333
Repository last updated
Nov 10, 2026
License
MIT

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<overview>
LangGraph's persistence layer enables durable execution by checkpointing graph state:

- **Checkpointer**: Saves/loads graph state at every super-step
- **Thread ID**: Identifies separate checkpoint sequences (conversations)
- **Store**: Cross-thread memory for user preferences, facts

**Two memory types:**
- **Short-term** (checkpointer): Thread-scoped conversation history
- **Long-term** (store): Cross-thread user preferences, facts
</overview>

<checkpointer-selection>
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