langchain-ai/langsmith-skills

Última actividad de origen registrada: 27 de octubre de 2026 a las 21:26

Catálogo de SkillsMP actualizado: 5 de noviembre de 2026 a las 19:57

skills recopiladas: 6

Estrellas en GitHub: 163
Forks en GitHub: 17

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Follow https://skillsmp.com/skill-install/prompt.md to install Agent Skills from https://github.com/langchain-ai/langsmith-skills.

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# LangSmith Skills > **⚠️** — This project is in early development. APIs and skill content may change. Agent skills for observing and evaluating LLM applications with [LangSmith](https://smith.langchain.com/). Query traces, build evaluation datasets, and create custom evaluators — all from your coding agent. > Looking for skills to **build and improve** agents with LangChain, LangGraph, or Deep Agents? See [langchain-skills](https://github.com/langchain-ai/langchain-skills). ## Supported Coding Agents These skills can be installed for any agent supported by [`skills.sh`](https://skills.sh), including Claude Code, [Deep Agents CLI](https://docs.langchain.com/oss/python/deepagents/cli/overview), Cursor, Windsurf, Goose, and [many more](https://github.com/vercel-labs/skills). ## Prerequisites - A [LangSmith API key](https://smith.langchain.com/) ## Installation ### Quick Install Using [`npx skills`](https://github.com/vercel-labs/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](https://code.claude.com/docs/en/plugins): ```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 | ## Usage After installation, set your API keys: ```bash export LANGSMITH_API_KEY=<your-key> export OPENAI_API_KEY=<your-key> # For OpenAI models export ANTHROPIC_API_KEY=<your-key> # For Anthropic models ``` Then run your coding agent from the directory where you installed (for local installs) or from anywhere (for global installs). ## Available Skills (6) ### LangSmith - **langsmith-trace** - Query and export traces (includes helper scripts) - **langsmith-dataset** - Generate evaluation datasets from traces (includes helper scripts) - **langsmith-evaluator** - Create custom evaluators (includes helper scripts) - **langsmith-experiment-diagnosis** - Find low-scoring experiment examples, explain likely causes, and propose fixes - **langsmith-custom-apps** - Build, replicate, verify, and share LangSmith Custom Apps - **langsmith-online-eval-engineering** - Design, test, and attach online evaluators for production traces and conversation threads **Note:** Several skills include Python and TypeScript helper scripts for common operations. ## Development Agent configuration lives in `config/`. To update an existing installation: ```bash ./install.sh --force ```

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langsmith-custom-apps

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INVOKE THIS SKILL when building, iterating on, copying, or sharing a LangSmith Custom App — a React/TypeScript UI that runs inside LangSmith and reads the LangSmith API. Covers the langsmith apps CLI, pulling an existing app's source, replicating an app into…