{"slug":"jeremylongshore-langchain-langgraph-checkpointing","source_name":"jeremylongshore/langchain-langgraph-checkpointing","name":"Jeremylongshore/Langchain Langgraph Checkpointing","description":"Persist LangGraph agent state correctly with MemorySaver and PostgresSaver —\nthread_id discipline, JSON-serializable state rules, time-travel, schema\nmigration. Use when adding chat memory, migrating from ConversationBufferMemory,\nor time-traveling an agent state to debug an incident.\nTrigger with \"langgraph checkpointer\", \"MemorySaver\", \"PostgresSaver\",\n\"thread_id\", \"langgraph time travel\", \"langgraph state persistence\".","version":1,"lift":{"pass_rate_delta_pts":13.04,"pass_rate_pct":91.3,"total_cases":23,"passed_cases":21,"tokens_delta_pct":175.7,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-08-30T19:06:02.591041+00:00"},"skill_score":null,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":13.04,"with_pass_pct":91.3,"without_pass_pct":78.3,"tokens_delta_pct":175.7,"turns_delta_pct":0,"total_cases":23,"cases_aggregated":23,"verdict":"mixed","never_hurt":true,"completed_at":"2026-08-30T19:06:02.591041+00:00","run_id":"1300dcf5-c08f-444c-a1a4-47b5443c486c","version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"manifest_hash":"f2ba8cb1518652e72852153cde6093205775187f4a8026e2b530b984ce3b695c","raw_url":"https://app.decimal.ai/s/jeremylongshore-langchain-langgraph-checkpointing/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/jeremylongshore-langchain-langgraph-checkpointing"}