LangChain (LangSmith)
LLM application observability, testing, and evaluation platform by LangChain
Actions
| Name | Description |
|---|---|
list_runsList traced runs from LangSmith with optional filters | List traced runs from LangSmith with optional filters |
get_runGet a specific traced run by its ID | Get a specific traced run by its ID |
list_projectsList all projects (sessions) in your LangSmith workspace | List all projects (sessions) in your LangSmith workspace |
list_datasetsList all datasets in your LangSmith workspace | List all datasets in your LangSmith workspace |
custom_api_callMake a custom API call to the LangSmith API | Make a custom API call to the LangSmith API |
Quick Start
import { WeavzClient } from '@weavz/sdk'
const weavz = new WeavzClient({ apiKey: 'wvz_...' })
const result = await weavz.actions.execute({
integrationName: 'langchain',
actionName: 'list_runs',
input: { /* ... */ },
connectionId: 'conn_id',
workspaceId: 'ws_id',
})Related Integrations
Works well with
Frequently Asked Questions
How do I connect LangChain (LangSmith) to my app?
Use Weavz Hosted Connect for API Key authentication. Install the SDK, create a connection through the connect portal or API, then execute actions programmatically.
What actions does LangChain (LangSmith) support?
LangChain (LangSmith) supports 5 actions including List Runs, Get Run, List Projects, List Datasets, Custom API Call.
Can I use LangChain (LangSmith) with AI agents?
Yes. Add LangChain (LangSmith) to an MCP server in TOOLS mode or CODE mode. CODE mode provides 80-98% context reduction with 3 meta-tools for efficient agent access.
What authentication does LangChain (LangSmith) use?
LangChain (LangSmith) uses API Key. Weavz handles token management, refresh, and secure credential storage automatically.
How much does the LangChain (LangSmith) integration cost?
The LangChain (LangSmith) integration is included on all Weavz plans including the free tier with 1,000 actions per month. No credit card required.
Connect LangChain (LangSmith) in 2 minutes
Get 1,000 free actions every month. No credit card required.