Langchain Langgraph Streaming

Quality score: 70/100 · Category: Engineering · Sub-category: backend

type:debug

Pick the correct LangGraph 1.0 stream_mode ("messages" vs "updates" vs "values"), wire it into SSE or WebSocket without proxy-buffering gotchas, and filter astream_events(v2) server-side before forwarding to the browser. Use when building a live-token chat UI, a per-node progress bar, a debug/time-travel view, or diagnosing a LangGraph stream that hangs over a production proxy. Trigger with "langgraph streaming", "stream_mode messages", "stream_mode updates", "stream_mode values", "langgraph SSE", "langgraph astream_events", "SSE hangs behind nginx", "cloud run streaming".

What this skill does

Langchain Langgraph Streaming is a production-ready Claude Code skill (quality score 70/100) in the backend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/langchain-langgraph-streaming/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when building a live-token chat UI, a per-node progress bar, a debug/time-travel view, or diagnosing a LangGraph stream that hangs over a production proxy. Trigger with "langgraph streaming", "stream_mode messages", "stream_mode updates", "stream_mode values", "langgraph SSE", "langgraph astream_events", "SSE hangs behind nginx", "cloud run streaming".

Who uses this skill

The Langchain Langgraph Streaming skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/langchain-langgraph-streaming
curl -L https://claudskills.com/skills/langchain-langgraph-streaming/SKILL.md \
  -o ~/.claude/skills/langchain-langgraph-streaming/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/langchain-langgraph-streaming/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/langchain-langgraph-streaming/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\langchain-langgraph-streaming\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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