langsmith-fetch

Fetch LangSmith Studio execution traces to debug LangChain and LangGraph agents.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/galafis/fonte --skill langsmith-fetch
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: langsmith-fetch
Source: https://github.com/galafis/fonte/tree/main/_kilo_marketplace_temp/skills/langsmith-fetch
Command: npx skills add https://github.com/galafis/fonte --skill langsmith-fetch

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

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

Core Features & Use Cases

  • Automate retrieval of recent traces to diagnose errors, tool calls, and memory usage.
  • Perform deep-dives into specific traces to understand agent reasoning and failure points.
  • Generate structured reports and export traces for team collaboration and incident analysis.

Quick Start

Run langsmith-fetch traces --last-n-minutes 60 --limit 20 to fetch recent traces and start analysis.

Frequently Asked Questions about langsmith-fetch

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

FAQPage Schema
How do I fetch execution traces from LangSmith to debug my agents?

Retrieve recent execution traces from LangSmith directly in your terminal to debug errors, tool calls, and memory usage in LangChain and LangGraph agents.

What is the best way to analyze LangGraph agent failure points from execution traces?

Analyze LangGraph agent failure points by performing deep-dives into specific LangSmith execution traces to understand agent reasoning and identify where errors occur during the execution flow.

Can I use langsmith-fetch to generate reports for incident analysis?

Yes, you can generate structured reports and export execution traces from LangSmith to support team collaboration and incident analysis for your LangChain agents.

Do I need environment variables to access LangSmith Studio traces?

Yes, accessing LangSmith Studio traces requires setting up environment variables for API access and ensuring LangSmith Fetch tooling availability to retrieve execution data successfully.

How do I get recent LangSmith traces from the last hour?

Get recent LangSmith traces by running a fetch command with parameters like --last-n-minutes 60 and --limit 20 to pull execution records for immediate debugging and performance review.