Agent skill · Databases

langchain-langgraph-checkpointing

Persist LangGraph agent state correctly with MemorySaver and PostgresSaver\ \ \u2014\nthread_id discipline, JSON-serializable state rules, time-travel, schema\n\ migration. Use when adding chat memory, migrating from ConversationBufferMemory,\n\ or time-traveling an agent state to debug an incident.\nTrigger with \"langgraph\ \ checkpointer\", \"MemorySaver\", \"PostgresSaver\",\n\"thread_id\", \"langgraph\ \ time travel\", \"langgraph state persistence\".\n"

jeremylongshoregithub.com/jeremylongshoreGitHub ↗
claude-codecan modify filesMIT
Install
npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill langchain-langgraph-checkpointing --agent claude-code

Same command for any agent — swap --agent for codex, cursor, copilot.

Facts
Files in the skill folder: 6
SKILL.md size: 15 KB
Bundled scripts: none
Version: 2.5.0
Declared author: Jeremy Longshore <jeremy@intentsolutions.io>
Allowed tools: ReadWriteEditBash(python:*)Bash(psql:*)
Requires: Designed for Claude Code, also compatible with Codex
Path: skills/.curated/langchain-langgraph-checkpointing/SKILL.md
Open the folder on GitHub →
Where it comes from
Stars: 2,596
Language: Python
Read our review of the source →

Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.

From the SKILL.md

# LangGraph Checkpointing (Python) ## Overview A chat agent that "keeps introducing itself" is almost always P16. The caller invokes `graph.invoke(state)` without passing `config={"configurable": {"thread_id": ...}}` — LangGraph's checkpointer silently spawns a fresh state per call. No error, no warning, no log line. The user sees it; the code does not. That is one of five separate checkpointing p

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About this skill
What does the langchain-langgraph-checkpointing skill do?

Persist LangGraph agent state correctly with MemorySaver and PostgresSaver\ \ \u2014\nthread_id discipline, JSON-serializable state rules, time-travel, schema\n\ migration. Use when adding chat memory, migrating from ConversationBufferMemory,\n\ or time-traveling an agent state to debug an incident.\nTrigger with \"langgraph\ \ checkpointer\", \"MemorySaver\", \"PostgresSaver\",\n\"thread_id\", \"langgraph\ \ time travel\", \"langgraph state persistence\".\n"

How do I install it?

Run `npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill langchain-langgraph-checkpointing --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.

Where does this skill come from?

From jeremylongshore/claude-code-plugins-plus-skills, a repository with 2,596 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.

Is a popular skill a good skill?

Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.

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