# PostHog Configuration (existing) POSTHOG_API_KEY=your_posthog_api_key_here POSTHOG_HOST=https://app.posthog.com # OpenTelemetry Configuration # ========================== # Service Configuration OTEL_SERVICE_NAME=llm-observability-mcp OTEL_SERVICE_VERSION=1.0.0 OTEL_ENVIRONMENT=development # OTLP Endpoints # Uncomment and configure based on your backend # Jaeger (local development) # OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4318 # New Relic # OTEL_EXPORTER_OTLP_ENDPOINT=https://otlp.nr-data.net:4318 # OTEL_EXPORTER_OTLP_HEADERS=api-key=YOUR_NEW_RELIC_LICENSE_KEY # Grafana Cloud # OTEL_EXPORTER_OTLP_ENDPOINT=https://otlp-gateway-prod-us-central-0.grafana.net/otlp # OTEL_EXPORTER_OTLP_HEADERS=Authorization=Basic YOUR_BASE64_ENCODED_CREDENTIALS # Datadog # OTEL_EXPORTER_OTLP_ENDPOINT=https://api.datadoghq.com/api/v2/series # OTEL_EXPORTER_OTLP_HEADERS=DD-API-KEY=YOUR_DD_API_KEY # Honeycomb # OTEL_EXPORTER_OTLP_ENDPOINT=https://api.honeycomb.io/v1/traces # OTEL_EXPORTER_OTLP_HEADERS=x-honeycomb-team=YOUR_API_KEY # Lightstep # OTEL_EXPORTER_OTLP_ENDPOINT=https://ingest.lightstep.com:443/api/v2/otel/trace # OTEL_EXPORTER_OTLP_HEADERS=lightstep-access-token=YOUR_ACCESS_TOKEN # Separate endpoints (optional) # OTEL_EXPORTER_OTLP_METRICS_ENDPOINT=http://localhost:4318/v1/metrics # OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://localhost:4318/v1/traces # OTEL_EXPORTER_OTLP_LOGS_ENDPOINT=http://localhost:4318/v1/logs # Export Configuration OTEL_METRIC_EXPORT_INTERVAL=10000 OTEL_METRIC_EXPORT_TIMEOUT=5000 # Sampling Configuration OTEL_TRACES_SAMPLER_ARG=1.0 # Debug Mode DEBUG=false