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Data & Analysis

langsmith-fetch Codex skill

Debug LangChain and LangGraph agents by fetching execution traces from LangSmith Studio. Use when debugging agent behavior, investigating errors, analyzing tool calls, checking memory operations, or examining agent performance. Automatically fetches recent traces and analyzes execution patterns. Requires langsmith-fetch CLI installed.

What this skill does

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

langsmith-fetch is meant for structured research, extraction, analysis, or decision support where the agent should produce evidence-backed output. It is part of the awesome-codex-skills catalog and is presented here as an indexable summary for developers comparing reusable agent skills.

Good use cases

Trigger langsmith-fetch when a user request matches its stated automation scope.

Use it to keep setup, known pitfalls, and workflow guidance outside the main prompt until needed.

Pair it with repository-specific context when the workflow touches local code, docs, data, or connected apps.

Workflow coverage

When to Use This Skill

A documented section in the source skill that gives the agent more specific execution guidance.

Prerequisites

A documented section in the source skill that gives the agent more specific execution guidance.

1. Install langsmith-fetch

A documented section in the source skill that gives the agent more specific execution guidance.

2. Set Environment Variables

A documented section in the source skill that gives the agent more specific execution guidance.

Core Workflows

A documented section in the source skill that gives the agent more specific execution guidance.

Workflow 1: Quick Debug Recent Activity

A documented section in the source skill that gives the agent more specific execution guidance.

Referenced tools

LANGCHAIN_API_KEY

Source and attribution

This summary links back to the original folder in ComposioHQ's public repository. For installation instructions, licensing, and the complete skill body, use the source link before copying the skill into a local Codex setup.

View langsmith-fetch on GitHub