> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/relay/_mcp/server.

# Module observability

> Optional observability integrations for NeMo Relay Core.

Generated from `cargo doc --no-deps -p nemo-relay -p nemo-relay-adaptive -p nemo-relay-pii-redaction -p nemo-relay-ffi -p nemo-relay-types -p nemo-relay-plugin -p nemo-relay-worker-proto -p nemo-relay-worker`.

Optional observability integrations for NeMo Relay Core.

## Modules

* [atif](/reference/api/rust-library-reference/nemo-relay/observability/atif): Agent Trajectory Interchange Format (ATIF) exporter.
* [atof](/reference/api/rust-library-reference/nemo-relay/observability/atof): Agent Trajectory Observability Format (ATOF) JSONL exporter support for NeMo Flow.
* [openinference](/reference/api/rust-library-reference/nemo-relay/observability/openinference): OpenInference subscriber support for NeMo Relay.
* [otel](/reference/api/rust-library-reference/nemo-relay/observability/otel): OpenTelemetry subscriber support for NeMo Relay.
* [plugin\_component](/reference/api/rust-library-reference/nemo-relay/observability/plugin_component): Built-in observability plugin component.

> Optional observability integrations for NeMo Relay Core.

## Docs

- [Module atif](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif.md): Agent Trajectory Interchange Format (ATIF) exporter.
- [Struct Atif Agent Info](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atifagentinfo.md): Information about the agent that produced the trajectory.
- [Struct Atif Ancestry](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atifancestry.md): Lineage node identifying a callable within an ATIF step.
- [Struct Atif Exporter](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atifexporter.md): Collects lifecycle events and exports them as ATIF trajectories.
- [Struct Atif Final Metrics](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atiffinalmetrics.md): Aggregate statistics for the entire trajectory (ATIF final_metrics).
- [Struct Atif Invocation Info](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atifinvocationinfo.md): Invocation timing and correlation metadata for one execution occurrence.
- [Struct Atif Metrics](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atifmetrics.md): Token usage and cost metrics for a single step.
- [Struct Atif Observation](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atifobservation.md): Observation results from tool execution.
- [Struct Atif Observation Result](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atifobservationresult.md): A single observation result from a tool call.
- [Struct Atif Step](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atifstep.md): A single step in an ATIF trajectory.
- [Struct Atif Step Extra](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atifstepextra.md): Lineage payload serialized into ATIF `Step.extra`.
- [Struct Atif Subagent Trajectory Ref](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atifsubagenttrajectoryref.md): Reference to a delegated subagent trajectory.
- [Struct Atif Tool Call](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atiftoolcall.md): A tool call made by the agent.
- [Struct Atif Trajectory](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/struct-atiftrajectory.md): A complete ATIF trajectory.
- [Constant ATIF_SCHEMA_VERSION](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atif/constant-atif-schema-version.md): The ATIF schema version string embedded in all exported trajectories.
- [Module atof](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atof.md): Agent Trajectory Observability Format (ATOF) JSONL exporter support for NeMo Flow.
- [Struct Atof Endpoint Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atof/struct-atofendpointconfig.md): Streaming destination for raw ATOF events.
- [Struct Atof Exporter](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atof/struct-atofexporter.md): Filesystem-backed Agent Trajectory Observability Format (ATOF) JSONL event exporter.
- [Struct Atof Exporter Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atof/struct-atofexporterconfig.md): Configuration for `AtofExporter`.
- [Enum Atof Endpoint Field Name Policy](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atof/enum-atofendpointfieldnamepolicy.md): Field name transformation policy used before sending events to an endpoint.
- [Enum Atof Endpoint Transport](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atof/enum-atofendpointtransport.md): Streaming transport used by an ATOF endpoint.
- [Enum Atof Exporter Error](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atof/enum-atofexportererror.md): Errors produced while configuring or operating the ATOF JSONL exporter.
- [Enum Atof Exporter Mode](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atof/enum-atofexportermode.md): File write behavior for `AtofExporter`.
- [Type Alias Result](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/atof/type-result.md): Result type for the ATOF JSONL exporter.
- [Module openinference](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/openinference.md): OpenInference subscriber support for NeMo Relay.
- [Struct Open Inference Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/openinference/struct-openinferenceconfig.md): Configuration for the OpenInference subscriber.
- [Struct Open Inference Subscriber](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/openinference/struct-openinferencesubscriber.md): OpenInference-backed NeMo Relay subscriber.
- [Enum Open Inference Error](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/openinference/enum-openinferenceerror.md): Errors produced while configuring or operating the OpenInference subscriber.
- [Enum Otlp Transport](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/openinference/enum-otlptransport.md): Supported OTLP trace transports.
- [Type Alias Result](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/openinference/type-result.md): Result type for the OpenInference subscriber crate.
- [Module otel](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/otel.md): OpenTelemetry subscriber support for NeMo Relay.
- [Struct Open Telemetry Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/otel/struct-opentelemetryconfig.md): Configuration for the OpenTelemetry subscriber.
- [Struct Open Telemetry Subscriber](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/otel/struct-opentelemetrysubscriber.md): OpenTelemetry-backed NeMo Relay subscriber.
- [Enum Open Telemetry Error](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/otel/enum-opentelemetryerror.md): Errors produced while configuring or operating the OpenTelemetry subscriber.
- [Enum Otlp Transport](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/otel/enum-otlptransport.md): Supported OTLP trace transports.
- [Type Alias Result](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/otel/type-result.md): Result type for the OpenTelemetry subscriber crate.
- [Module plugin_component](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component.md): Built-in observability plugin component.
- [Struct Atif Section Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/struct-atifsectionconfig.md): Per-trajectory ATIF exporter config.
- [Struct Atof Endpoint Section Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/struct-atofendpointsectionconfig.md): Streaming destination for raw ATOF events.
- [Struct Atof Section Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/struct-atofsectionconfig.md): Filesystem-backed ATOF JSONL exporter config.
- [Struct Component Spec](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/struct-componentspec.md): Top-level observability component wrapper.
- [Struct Http Storage Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/struct-httpstorageconfig.md): HTTP endpoint settings for ATIF trajectory upload.
- [Struct Observability Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/struct-observabilityconfig.md): Canonical config document for the observability plugin component.
- [Struct Otlp Section Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/struct-otlpsectionconfig.md): Shared OTLP exporter config for OpenTelemetry and OpenInference.
- [Struct S3Storage Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/struct-s3storageconfig.md): S3-compatible storage settings for ATIF trajectory upload.
- [Enum Atif Storage Config](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/enum-atifstorageconfig.md): Remote storage destination for ATIF trajectory files.
- [Constant OBSERVABILITY_PLUGIN_KIND](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/constant-observability-plugin-kind.md): The plugin kind registered by the core crate.
- [Function deregister_observability_component](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/fn-deregister-observability-component.md): Deregisters the observability component kind from the core plugin registry.
- [Function register_observability_component](https://docs.nvidia.com/nemo/relay/v0.5.0/reference/api/rust-library-reference/nemo-relay/observability/plugin_component/fn-register-observability-component.md): Registers the observability component kind in the core plugin registry.