> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/relay/_mcp/server.

# Python Library Reference

> Generated Python API reference for NeMo Relay packages.

## Packages

* [`nemo-relay`](/reference/api/python-library-reference/nemo-relay): Python runtime SDK for NeMo Relay.
* [`nemo-relay-plugin`](/reference/api/python-library-reference/nemo-relay-plugin): Python SDK for NeMo Relay dynamic worker plugins.

> Generated Python API reference for NeMo Relay packages.

## Docs

- [nemo_relay](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay.md): Python bindings for the NeMo Relay runtime.
- [nemo_relay.adaptive](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/adaptive.md): Adaptive plugin configuration helpers.
- [nemo_relay.codecs](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/codecs.md): Protocol definitions for request and response codecs used by `nemo_relay.llm`.
- [nemo_relay.event_metadata](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/event-metadata.md): Global event metadata injector registration.
- [nemo_relay.guardrails](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/guardrails.md): Global guardrail registration for tools and LLMs.
- [nemo_relay.integrations](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/integrations.md): Optional integrations for NeMo Relay.
- [nemo_relay.integrations.deepagents](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/integrations/deepagents.md): NeMo Relay integrations for Deep Agents.
- [nemo_relay.integrations.deepagents.callbacks](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/integrations/deepagents/callbacks.md): Deep Agents callback handler for NeMo Relay observability.
- [nemo_relay.integrations.deepagents.middleware](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/integrations/deepagents/middleware.md): Deep Agents middleware for NeMo Relay observability.
- [nemo_relay.integrations.langchain](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/integrations/langchain.md): NeMo Relay integrations for LangChain.
- [nemo_relay.integrations.langchain.callbacks](https://docs.nvidia.com/nemo/relay/v0.10.0/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/v0.10.0/reference/api/python-library-reference/nemo-relay/integrations/langchain/middleware.md): LangChain AgentMiddleware implementation for NeMo Relay.
- [nemo_relay.integrations.langgraph](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/integrations/langgraph.md): NeMo Relay integrations for LangGraph.
- [nemo_relay.integrations.langgraph.callbacks](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/integrations/langgraph/callbacks.md): LangGraph callback handler that reuses the LangChain NeMo Relay integration.
- [nemo_relay.integrations.langgraph.tool_node](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/integrations/langgraph/tool-node.md): Managed NeMo Relay wrappers for standalone LangGraph `ToolNode` objects.
- [nemo_relay.intercepts](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/intercepts.md): Global middleware intercept registration for tools and LLMs.
- [nemo_relay.llm](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/llm.md): LLM lifecycle helpers for non-streaming and streaming calls.
- [nemo_relay.model_pricing](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/model-pricing.md): Model pricing plugin configuration helpers.
- [nemo_relay.observability](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/observability.md): Observability plugin configuration helpers.
- [nemo_relay.pii_redaction](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/pii-redaction.md): PII redaction plugin configuration helpers.
- [nemo_relay.plugin](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/plugin.md): Generic plugin configuration and registration helpers.
- [nemo_relay.resource_metrics](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/resource-metrics.md): Typed access to Relay system resource metric snapshots.
- [nemo_relay.runtime_registrations](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/runtime-registrations.md): Dynamic eligibility controls for global runtime registrations.
- [nemo_relay.scope](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/scope.md): Scope stack operations.
- [nemo_relay.scope_local](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/scope-local.md): Scope-local middleware and subscriber registration.
- [nemo_relay.subscribers](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/subscribers.md): Global event subscriber registration.
- [nemo_relay.tools](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/tools.md): Tool lifecycle helpers.
- [nemo_relay.typed](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/typed.md): Typed wrappers around the JSON-based NeMo Relay execution APIs.
- [nemo_relay.utils](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay/utils.md): 
- [nemo_relay_plugin](https://docs.nvidia.com/nemo/relay/v0.10.0/reference/api/python-library-reference/nemo-relay-plugin.md): Author out-of-process NeMo Relay worker plugins in Python.