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[bot] LiveKit Agents for Node.js (`@livekit/agents`) not instrumented in the JS SDK — Braintrust's own integration docs are Python-only (449,224 weekly downloads)

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Los mantenedores suelen responder en 1 día

@lforst ya está trabajando en esto.

Desde el 1/10/2026.

  • #2546 de @lforst — abierto

Evaluación

Dificultad
5/5
Tiempo estimado
Más de una semana
Aptitud para principiantes
45/100
Tipo de issue
Nueva funcionalidad
Claridad
Bastante claro
Estado de actividad
Tranquilo
Stack tecnológico
node.js, typescript

Línea de trabajo

Comienza leyendo los layouts existentes en js/src/wrappers/, js/src/instrumentation/plugins/, js/src/auto-instrumentations/configs/ y js/src/instrumentation/config.ts; después, revisa e2e/scenarios/ en busca de integraciones comparables. Se considera terminado cuando las superficies de LiveKit Agents enumeradas en el issue tienen cobertura de instrumentación, configuración y un escenario de extremo a extremo.

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

Descripción

never-stale

Summary

LiveKit publishes @livekit/agents on npm — the official Node.js distribution of the LiveKit Agents framework (source: livekit/agents-js on GitHub) for building realtime, multimodal voice/video AI agents that pipeline STT → LLM → TTS with tool-calling, turn detection, and session tracing hooks. It is actively maintained with regular releases and its own reference docs. This JavaScript SDK repository has zero instrumentation for any @livekit/agents execution surface — no wrapper, no diagnostics channel, no plugin, no auto-instrumentation config, no e2e scenario.

What instrumentation is missing

SDK Surface Description
AgentSession run/turn execution Orchestrates a realtime multimodal agent session (STT → LLM → TTS pipeline)
LLM turns issued through agent plugins (e.g. @livekit/agents-plugin-openai, -anthropic, -google) Model calls made through LiveKit's own plugin abstraction rather than directly through an instrumented provider SDK
Function/tool calls (llm.FunctionTool execution during a session) Tool-calling during agent execution
STT/TTS pipeline stages Speech-to-text and text-to-speech legs of the realtime pipeline

None of these are covered by any existing plugin in this repo. Even when a LiveKit agent uses an underlying provider that this repo already instruments (e.g. OpenAI), calls routed through LiveKit's own plugin layer are not guaranteed to hit the same code paths patched by the existing per-provider auto-instrumentation, and there is no session/pipeline-level span for the agent turn itself.

No coverage in any instrumentation layer:

  • No wrapper function in js/src/wrappers/
  • No channel definitions or plugin in js/src/instrumentation/plugins/
  • No auto-instrumentation config in js/src/auto-instrumentations/configs/
  • No e2e test scenario under e2e/scenarios/
  • Full repo grep for livekit (case-insensitive) returns zero matches anywhere in js/, integrations/, or e2e/

Braintrust docs status

supported for Python only. Braintrust documents a LiveKit Agents integration at https://www.braintrust.dev/docs/integrations/agent-frameworks/livekit-agents, but it is built on OpenTelemetry configuration through Braintrust's Python SDK, tracing the Python livekit-agents package. The docs do not mention @livekit/agents (the Node.js distribution) or any JavaScript/TypeScript setup. This mirrors a documented Python/JS parity gap pattern already seen in this repo's instrumentation coverage (compare to the Python-only Firebase Genkit gap that was previously filed and fixed for the JS side in this repo).

Upstream references

Local files inspected

  • js/src/wrappers/ — no LiveKit wrapper
  • js/src/instrumentation/plugins/ — no LiveKit channels or plugin file
  • js/src/auto-instrumentations/configs/ — no LiveKit config entry
  • js/src/instrumentation/config.ts — InstrumentationIntegrationsConfig has no LiveKit-related key
  • e2e/scenarios/ — no LiveKit test scenario
  • Full repo grep for livekit (case-insensitive) — zero matches
Lenguaje dominante
TypeScript
Estrellas
29
Forks
16
Merge medio
1 d 20 h
PR fusionados (30 d)
70

Preparar el entorno

  • Incluye un Dockerfile o un archivo de Docker Compose
  • Sin plantilla de pull request
  • Sin guía de contribución

Primeros pasos

  1. Lee el issue completo y luego la guía de contribución del proyecto.
  2. Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
  3. Haz un fork del repositorio y trabaja en una rama.
  4. Abre un pull request que haga referencia al número del issue.

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