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langsmith-fetch

Fetch and analyze recent LangSmith traces to debug LangChain and LangGraph agents.

Updated May 2, 2026
Search Tags:#performance#debugging#langchain#memory#traces#tool-calls#langsmith
One-click install
npx skills add https://github.com/artgaurav16420-oss/Mega-Skills --skill langsmith-fetch-artgaurav16420-oss
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: langsmith-fetch
Source: https://github.com/artgaurav16420-oss/Mega-Skills/tree/main/distribution/harnesses/tabnine/agent/skills/langsmith-fetch
Command: npx skills add https://github.com/artgaurav16420-oss/Mega-Skills --skill langsmith-fetch-artgaurav16420-oss

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

LangSmith Fetch solves the challenge of debugging LangChain and LangGraph agents by pulling execution traces from LangSmith Studio into your terminal for quick inspection and analysis.

Core Features & Use Cases

  • Retrieve recent traces from LangSmith Studio and summarize agent behavior for faster debugging.
  • Inspect tool calls, memory operations, and performance metrics to identify failures and optimize prompts.
  • Use cases include diagnosing errors, verifying memory usage, and evaluating call sequences across agent runs.

Quick Start

Run a simple fetch to inspect the latest agent activity and generate a readable report.

Frequently Asked Questions about langsmith-fetch

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I debug LangChain agents using LangSmith traces?▼

Debug LangChain agents by fetching recent LangSmith traces into your terminal to inspect execution behavior, tool calls, and memory operations. This generates readable reports for quick analysis and prompt optimization.

Can I analyze LangGraph tool calls and memory operations from the command line?▼

Yes, you can analyze LangGraph tool calls and memory operations by retrieving recent execution traces from LangSmith Studio. This allows you to investigate errors and verify memory usage directly in your terminal.

What do I need to fetch LangSmith traces for agent debugging?▼

To fetch LangSmith traces for debugging, you need the langsmith-fetch CLI installed, configured environment variables, and access to LangSmith Studio projects containing your LangChain or LangGraph agent runs.

How does inspecting LangSmith traces improve agent performance?▼

Inspecting LangSmith traces improves agent performance by summarizing behavior and exposing call sequences. You can evaluate performance metrics, identify failures, and optimize prompts across your LangChain runs.

What is the best way to diagnose errors in LangChain agent runs?▼

The best way to diagnose errors in LangChain agent runs is pulling execution traces from LangSmith Studio into your terminal. This summarizes agent activity and highlights failures for immediate inspection.

Does langsmith-fetch work without configuring environment variables?▼

No, langsmith-fetch requires configured environment variables and access to LangSmith Studio projects. Without this setup, the CLI cannot retrieve or analyze your LangChain and LangGraph traces.

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