LangSmith SDK
LangSmith SDK is a LangChain pack for testing and qa, published by langchain-ai.
Client SDK for tracing, evaluating, and monitoring LLM apps in LangSmith — works with LangChain or standalone.
Is it any good?
Effectiveness · benchmark pending
We haven't benchmarked LangSmith SDK yet, so its score is provisional — computed from safety, maintenance, and documentation only, with popularity given no weight. When we benchmark it, we measure whether it produces materially better output than a frontier model alone, and that result leads the score. How we measure.
About LangSmith SDK
Description · AI-summarised from the langchain-ai README
LangSmith SDK is the official client for LangSmith, LangChain's observability and evaluation platform. It captures traces from any LLM or agent framework, runs evaluations against datasets, and powers production monitoring with dashboards and alerts.
Where it fits
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Install LangSmith SDK
Install
Install via LangChain pack
pip install langchain-ai-langsmith-sdkInstall with your AI
Zero install · paste into ChatGPT, Claude, Cursor…
Install the "LangSmith SDK" skill into my project by following all instructions at https://skillsdirectory.co/s/langsmith-sdk
Your assistant reads /s/langsmith-sdk and follows it — fetching the files from the source, placing them, and confirming before it runs anything. No account needed. How this works.
Frequently asked
FAQ
What does LangSmith SDK do?
Client SDK for tracing, evaluating, and monitoring LLM apps in LangSmith — works with LangChain or standalone.
How do I install LangSmith SDK?
LangSmith SDK is a LangChain pack. Primary install path: pip install langchain-ai-langsmith-sdk
What is the Skill Score for LangSmith SDK?
LangSmith SDK has a Skill Score of 9.1/10 (High Quality). It is currently a provisional score — LangSmith SDK hasn't been benchmarked yet, so it weights safety 95/100 (40%), maintenance 94/100 (30%), and documentation 87/100 (30%). Popularity carries zero weight until effectiveness is measured. See methodology.
Is LangSmith SDK free?
LangSmith SDK is published under the MIT license. See the vendor's source repository for any usage limits or paid tiers.
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Embed this score
For maintainers · always-current, links back
Put it in your README — it updates as the score changes.[](https://skillsdirectory.co/skills/langsmith-sdk)
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