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Skill

langsmith-evaluator

langsmith-evaluator — a Claude Code skill from langchain-ai/langsmith-skills

Features

  • ✓Evaluate LLM applications with LangSmith
  • ✓Query traces for analysis
  • ✓Build custom evaluation datasets
  • ✓Integrate with Claude Code and Deep Agents CLI
  • ✓Explore more skills with langchain-skills

Installation Guide

Quick Install

Using npx skills:

Local (current project):

bash
npx skills add langchain-ai/langsmith-skills --skill '*' --yes

Global (all projects):

bash
npx skills add langchain-ai/langsmith-skills --skill '*' --yes --global

To link skills to a specific agent (e.g. Claude Code):

bash
npx skills add langchain-ai/langsmith-skills --agent claude-code --skill '*' --yes --global

---

Claude Code Plugin

Install directly as a Claude Code plugin:

bash
/plugin marketplace add langchain-ai/langsmith-skills
/plugin install langsmith-skills@langsmith-skills

---

Install Script (Claude Code & Deep Agents CLI only)

Alternatively, clone the repo and use the install script:

bash
# Install for Claude Code in current directory (default)
./install.sh

# Install for Claude Code in a specific project directory
./install.sh ~/my-project

# Install for Claude Code globally
./install.sh --global

# Install for DeepAgents CLI in a specific project directory
./install.sh --deepagents ~/my-project

# Install for DeepAgents CLI globally (includes agent persona)
./install.sh --deepagents --global

| Flag / Argument | Description |
|------|-------------|
| DIRECTORY | Target project directory (default: current directory, ignored with --global) |
| --claude | Install for Claude Code (default) |
| --deepagents | Install for DeepAgents CLI |
| --global, -g | Install globally instead of current directory |
| --force, -f | Overwrite skills with same names as this package |
| --yes, -y | Skip confirmation prompts |

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