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langgraph/docs/docs/concepts/sdk.md
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Eugene YurtsevandGitHub 7170a9f0f4 docs: apply boosts and tag a few things (#4455)
Manual pass to apply a few heuristics:

* Boost conceptual pages
* Deboost (is that a word?) index pages that list all content
* Prefer Agents pages if search query contains the word "agent"
* Add tags for a few selected pages
2025-04-29 13:56:57 -04:00

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LangGraph SDK

!!! info "Prerequisites" - LangGraph Platform - LangGraph Server

The LangGraph Platform provides both a Python and JS SDK for interacting with the LangGraph Server API.

Installation

You can install the packages using the appropriate package manager for your language.

=== "Python" bash pip install langgraph-sdk

=== "JS" bash yarn add @langchain/langgraph-sdk

API Reference

You can find the API reference for the SDKs here:

Python Sync vs. Async

The Python SDK provides both synchronous (get_sync_client) and asynchronous (get_client) clients for interacting with the LangGraph Server API.

=== "Async" ```python from langgraph_sdk import get_client

client = get_client(url=..., api_key=...)
await client.assistants.search()
```

=== "Sync"

```python
from langgraph_sdk import get_sync_client

client = get_sync_client(url=..., api_key=...)
client.assistants.search()
```