> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/relay/v0.8.4/reference/api/python-library-reference/nemo-relay/integrations/langchain/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/relay/_mcp/server.

# nemo_relay.integrations.langchain

> NeMo Relay integrations for LangChain.

Generated from `python/nemo_relay/integrations/langchain/__init__.py`.

Module `nemo_relay.integrations.langchain`.

NeMo Relay integrations for LangChain.

## Re-exports

* `NemoRelayCallbackHandler`
* `NemoRelayMiddleware`

> NeMo Relay integrations for LangChain.

## Docs

- [nemo_relay.integrations.langchain.callbacks](https://docs.nvidia.com/nemo/relay/v0.8.4/reference/api/python-library-reference/nemo-relay/integrations/langchain/callbacks.md): LangChain callback handler that maps run hierarchy to NeMo Relay scopes.
- [nemo_relay.integrations.langchain.middleware](https://docs.nvidia.com/nemo/relay/v0.8.4/reference/api/python-library-reference/nemo-relay/integrations/langchain/middleware.md): LangChain AgentMiddleware implementation for NeMo Relay.