OpenTelemetry in Node.js
Entry point for OpenTelemetry mechanics in Node.js / JavaScript / TypeScript services. Load a reference below based on the task; each reference is self-contained.
References
| File | Use when |
|---|---|
references/declarative-setup.md | Configuring the SDK via declarative YAML: OTEL_CONFIG_FILE, @opentelemetry/configuration, @opentelemetry/sdk-node, ESM/CJS import order, 2.x and 3.0 migration notes. |
Sources of Truth
For YAML schema details, fetch the upstream sources listed in the otel-declarative-config skill.
For Node.js-specific facts:
| Fact | Fetch |
|---|---|
Latest @opentelemetry/configuration | npm view @opentelemetry/configuration version |
Latest @opentelemetry/sdk-node | npm view @opentelemetry/sdk-node version |
Latest @opentelemetry/auto-instrumentations-node | npm view @opentelemetry/auto-instrumentations-node version |
Released package status / breaking changes (3.0.0 / 0.300.0, verified 2026-10-25) | WebFetch https://raw.githubusercontent.com/open-telemetry/opentelemetry-js/v3.0.0/experimental/packages/configuration/README.md and WebFetch https://raw.githubusercontent.com/open-telemetry/opentelemetry-js/v3.0.0/experimental/packages/opentelemetry-sdk-node/README.md |
Experimental CHANGELOG through 0.300.0 | WebFetch https://raw.githubusercontent.com/open-telemetry/opentelemetry-js/v3.0.0/experimental/CHANGELOG.md |
ESM / CJS preload mechanics at 3.0.0 | WebFetch https://raw.githubusercontent.com/open-telemetry/opentelemetry-js/v3.0.0/doc/esm-support.md |
Auto-instrumentations register entry point at 0.82.0 (first release on SDK 3.x / API 1.10) | WebFetch https://raw.githubusercontent.com/open-telemetry/opentelemetry-js-contrib/auto-instrumentations-node-v0.82.0/packages/auto-instrumentations-node/README.md |
| 2.x → 3.x migration (removed packages, Node.js floor) | WebFetch https://raw.githubusercontent.com/open-telemetry/opentelemetry-js/v3.0.0/doc/3.x/migration-guide.md |
| Node.js getting-started docs | WebFetch https://opentelemetry.io/docs/languages/js/getting-started/nodejs/ |
Cross-References
- Schema-level facts:
otel-declarative-configskill (language-agnostic YAML schema sources). - SDK version selection across languages:
otel-sdk-versionsskill. - Semantic conventions lookup:
otel-semantic-conventionsskill.


