Claude OTel traces: the Azure Monitor path and Foundry gap
Anthropic's OpenTelemetry trace export went to public beta on 14 October 2026, but Azure Monitor is not a listed destination and Claude in Microsoft Foundry gets client-side SDK spans only. Three Azure paths (Collector on Container Apps, Microsoft OpenTelemetry Distro with managed identity, Agent SDK signals), the Entra-versus-static-header mismatch that forces the design, and the Application Insights cost math for full-content mode.
Azure's 30 September retirements: what stops working
More than ten Azure items retire on 30 September 2026, and the ones that fail silently are more dangerous than the ones that fail loudly: URL ping tests are deleted from your resources and the ContainerLog table stops receiving data, taking alert rules down with them. A triage guide with Resource Graph queries, Sweden Central cost math for standard web tests and Basic Logs, and a checklist for the Functions v3, Service Bus SBMP and 1 October AI service deadlines.
LLM Observability: OpenTelemetry, Langfuse, App Insights
A production observability stack for LLM applications on Azure — wiring OpenTelemetry, Langfuse, and Application Insights together so traces, token usage, eval scores, and platform metrics land in the same view.
Running AI Agents in Production with Azure App Platform - Microsoft Ignite 2025
Microsoft Ignite BRK116: Deploy AI agents at scale with Azure App Service, AI Foundry, and MCP tools. Built-in observability, governance, security. Hitachi case study shows 73% downtime reduction and 41% cost savings.