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Harrison Chase
2024-07-22 16:31:14 -07:00
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# LangGraph Cloud (beta)
!!! tip
- LangGraph is an MIT-licensed open-source library, which we are committed to maintaining and growing for the community.
- LangGraph Cloud is an optional managed hosting service for LangGraph, which provides additional features geared towards production deployments.
- We are actively contributing improvements back to LangGraph informed by our work on LangGraph Cloud.
- You can always deploy LangGraph applications on your own infrastructure using the open-source LangGraph project.
!!! danger "Important"
LangGraph Cloud is a closed source, paid product in an invite-only stage. We are currently focused on providing high bandwidth support to make our select early customers successful. If you are interested in applying for access, please fill out [this form](https://www.langchain.com/langgraph-cloud-beta).
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<a name="readmemd"></a>
**@langchain/langgraph-sdk** • **Docs**
**[@langchain/langgraph-sdk](https://github.com/langchain-ai/langgraph/tree/main/libs/sdk-js)** • **Docs**
***
## @langchain/langgraph-sdk
## [@langchain/langgraph-sdk](https://github.com/langchain-ai/langgraph/tree/main/libs/sdk-js)
### Modules
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- [How to add runtime configuration to your graph](configuration.ipynb)
- [How to use a Pydantic model as your state](state-model.ipynb)
- [How to use a context object in state](state-context-key.ipynb)
- [How to add node retries](node-retries.ipynb)
## Prebuilt ReAct Agent
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### BaseCheckpointSaver
::: langgraph.checkpoint.base.BaseCheckpointSaver
handler: python
### SerializerProtocol
::: langgraph.checkpoint.SerializerProtocol
handler: python
## Implementations
@@ -32,12 +30,10 @@ LangGraph also natively provides the following checkpoint implementations.
### MemorySaver
::: langgraph.checkpoint.memory.MemorySaver
handler: python
### AsyncSqliteSaver
::: langgraph.checkpoint.aiosqlite.AsyncSqliteSaver
handler: python
### SqliteSaver
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## Send
::: langgraph.constants.Send
::: langgraph.constants.Send
## RetryPolicy
::: langgraph.pregel.types.RetryPolicy
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@@ -55,4 +55,13 @@ from langgraph.prebuilt import tools_condition
from langgraph.prebuilt import ValidationNode
```
::: langgraph.prebuilt.ValidationNode
::: langgraph.prebuilt.ValidationNode
## InjectedState
```python
from langgraph.prebuilt import InjectedState
```
::: langgraph.prebuilt.InjectedState
handler: python