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The Belvedir Node SDK auto-instruments the major LLM providers with a single initialize() call.

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Install

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Initialize

The SDK patches your LLM client the moment initialize() runs, so it must run before the LLM SDK is imported. In Next.js use instrumentation.ts at the project root — see the Next.js guide. In a plain Node process, call it at the top of your entry file:
For bundled or ESM environments, pass your LLM SDKs to instrumentModules so they’re patched directly — see Configuration.

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Next steps

  • Configuration — every option accepted by initialize().
  • Providers — every LLM provider we auto-instrument.
  • Python SDK — same concepts, snake_case, context managers.