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[bot] AWS Bedrock Agent Runtime SDK (`@aws-sdk/client-bedrock-agent-runtime`) not instrumented — no tracing for managed agent invocation (1,982,382 weekly downloads)

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#2,170 2 comentarios 0 reacciones 0 asignados Ver en GitHub

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Evaluación

Dificultad
4/5
Tiempo estimado
3-5 días
Aptitud para principiantes
70/100
Tipo de issue
Nueva funcionalidad
Claridad
Bien especificado
Estado de actividad
Activo
Stack tecnológico
aws, typescript

Línea de trabajo

Comienza con js/src/auto-instrumentations/configs/bedrock-runtime.ts y bedrock-runtime-plugin.ts, y luego compara js/src/auto-instrumentations/configs/all.ts y la cobertura existente en e2e/scenarios/. Traza cómo la instrumentación existente del model runtime gestiona los comandos de AWS SDK y las respuestas en streaming. La tarea está terminada cuando las superficies de ejecución de Bedrock Agent Runtime estén instrumentadas y cubiertas por pruebas e2e, y estén documentados el paquete compatible y el comportamiento de invocación.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

Summary

The AWS SDK v3 Bedrock Agent Runtime client (@aws-sdk/client-bedrock-agent-runtime) provides execution APIs for invoking pre-configured Amazon Bedrock Agents. This is a distinct package and API surface from @aws-sdk/client-bedrock-runtime (which instruments direct model calls via ConverseCommand/InvokeModelCommand and is already covered by js/src/auto-instrumentations/configs/bedrock-runtime.ts). The Agent Runtime client runs orchestrated, stateful agents that perform multi-turn reasoning with tool use — its own InvokeAgentCommand is not covered by any existing instrumentation. Users who invoke Bedrock Agents directly get no Braintrust spans.

What instrumentation is missing

The @aws-sdk/client-bedrock-agent-runtime package exposes these execution surfaces, none of which are instrumented:

SDK Method Description
client.send(new InvokeAgentCommand({ agentId, agentAliasId, sessionId, inputText })) Invokes a pre-configured Bedrock Agent; returns a streaming AsyncIterable of response chunks and trace events
client.send(new InvokeInlineAgentCommand({ ... })) Invokes an inline agent definition (no pre-configured agent required)
client.send(new RetrieveAndGenerateCommand({ ... })) RAG-based generation using Bedrock Knowledge Bases
client.send(new RetrieveAndGenerateStreamCommand({ ... })) Streaming variant of RAG generation

The streaming InvokeAgentCommand response includes both generated text chunks and structured trace events that carry model invocation details, rationale, and tool invocation metadata — exactly the kind of data Braintrust is designed to capture.

No coverage in any instrumentation layer:

  • No wrapper function (e.g. wrapBedrockAgentRuntime())
  • No diagnostics channels for Agent Runtime methods
  • No plugin handler in js/src/instrumentation/plugins/
  • No auto-instrumentation config in js/src/auto-instrumentations/configs/
  • No e2e test scenarios
  • Grep for bedrock-agent or InvokeAgent across js/src/ returns zero matches

Relationship to existing Bedrock instrumentation:

js/src/auto-instrumentations/configs/bedrock-runtime.ts instruments @aws-sdk/client-bedrock-runtime — the model inference layer (ConverseCommand, InvokeModelCommand). @aws-sdk/client-bedrock-agent-runtime is a separate npm package with a different API (agent orchestration layer). Both packages can be used together, but the agent invocation surface is not covered.

Braintrust docs status

unclear — Braintrust documents AWS Bedrock as a supported provider, but the JavaScript SDK documentation focuses on @aws-sdk/client-bedrock-runtime (direct model calls). No Braintrust docs page specifically addresses @aws-sdk/client-bedrock-agent-runtime or InvokeAgentCommand.

Upstream references

Local files inspected

  • js/src/auto-instrumentations/configs/bedrock-runtime.ts — instruments @aws-sdk/client-bedrock-runtime only; no entry for @aws-sdk/client-bedrock-agent-runtime
  • js/src/auto-instrumentations/configs/all.ts — @aws-sdk/client-bedrock-agent-runtime not listed
  • js/src/instrumentation/plugins/ — bedrock-runtime-plugin.ts handles model runtime only; no agent runtime plugin
  • e2e/scenarios/ — Bedrock e2e tests cover model runtime, not agent runtime
  • Full repo grep for bedrock-agent, BedrockAgent, InvokeAgent in js/src/ — zero matches
  • e2e/scenarios/strands-agent-sdk-instrumentation/pnpm-lock.yaml — only mention of bedrock-agent-runtime in the entire repo (as a transitive dependency of Strands SDK)
Lenguaje dominante
TypeScript
Estrellas
28
Forks
14
Merge medio
1 d 23 h
PR fusionados (30 d)
68

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