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langsmith-fetch

Fetch recent LangSmith traces to diagnose LangChain and LangGraph agent behavior.

166|116|Updated Jan 19, 2026
Search Tags:#debugging#langchain#memory#traces#tool-calls#langsmith#trace-analysis
One-click install
npx skills add https://github.com/Kilo-Org/kilo-marketplace --skill langsmith-fetch-kilo-org
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: langsmith-fetch
Source: https://github.com/Kilo-Org/kilo-marketplace/tree/main/skills/langsmith-fetch
Command: npx skills add https://github.com/Kilo-Org/kilo-marketplace --skill langsmith-fetch-kilo-org

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Langsmith-fetch enables efficient debugging of LangChain and LangGraph agents by retrieving execution traces from LangSmith Studio, turning trace data into actionable insights that shorten root-cause analysis.

Core Features & Use Cases

  • Fetches recent traces from LangSmith Studio for quick inspection
  • Analyzes execution patterns, tool calls, memory interactions, and performance metrics
  • Produces clear, actionable reports and recommendations to improve agent behavior

Quick Start

Run langsmith-fetch traces --last-n-minutes 30 --limit 20 --include-metadata to retrieve recent traces and begin debugging sessions.

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 LangSmith execution traces to analyze tool calls, memory interactions, and errors. The retrieved trace data pinpoints root causes and provides structured insights to improve agent behavior.

Can I retrieve LangGraph agent execution traces from the last 30 minutes?▼

Yes, you can fetch recent LangGraph agent execution traces by specifying a time window like the last 30 minutes. This retrieves recent sessions to diagnose agent behavior and analyze performance patterns quickly.

What is trace analysis for LangChain tool calls and memory operations?▼

Trace analysis for LangChain tool calls and memory operations is the process of inspecting execution logs to identify performance patterns and errors. It transforms raw trace data into actionable remediation recommendations.

Does langsmith-fetch work without external dependencies to analyze agent performance?▼

Yes, langsmith-fetch works without external dependencies to analyze agent performance. It directly queries LangSmith Studio to retrieve execution traces and returns structured insights including trace IDs and tool usage outcomes.

Why does my LangChain agent produce unexpected tool call outcomes?▼

Unexpected LangChain agent tool call outcomes often stem from execution errors or memory interaction issues identified within LangSmith traces. Fetching and analyzing these traces reveals the exact performance patterns causing the abnormal behavior.

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