Langsmith Fetch Skill — AI skill for Claude Code

🔍 LangSmith Fetch Skill for Claude Code

**AI observability & debugging skill for Claude!**

Debug LangChain and LangGraph agents by fetching execution traces from LangSmith Studio directly in your terminal using Claude Code.

[](https://opensource.org/licenses/MIT) [](https://code.claude.com) [](https://github.com/langchain-ai/langsmith-fetch)

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🎯 What It Does

This Claude Code skill teaches Claude how to debug your LangChain and LangGraph agents by automatically fetching and analyzing execution traces from LangSmith Studio.

**Just ask Claude:**

• "Debug my agent"
• "What went wrong?"
• "Show me recent traces"
• "Why is my agent slow?"

Claude will automatically fetch traces, analyze execution patterns, identify errors, and provide actionable insights!

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✨ Features

• 🐛 Automatic Debugging - Claude fetches and analyzes traces autonomously
• 🔍 Error Detection - Identifies failures and root causes
• 📊 Performance Analysis - Tracks execution time and token usage
• 💾 Memory Operations - Checks LTM recall/store operations
• 🛠️ Tool Call Analysis - Reviews which tools were called and why
• 📁 Session Export - Saves debugging sessions for later review
• 🤝 Multi-Agent Support - Debugs orchestration decisions

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🚀 Quick Start

1. Install Prerequisites

# Install langsmith-fetch CLI
pip install langsmith-fetch

2. Configure Environment

# Set your LangSmith credentials
export LANGSMITH_API_KEY="your_langsmith_api_key"
export LANGSMITH_PROJECT="your_project_name"

Get your API key from: https://smith.langchain.com/

3. Install the Skill

npx skills add OthmanAdi/langsmith-fetch-skill