Writing

Articles & notes

Production patterns, debugging stories, and solutions from real SAP BTP projects. Not documentation — patterns that work at scale.

Building an MCP server that talks directly to SAP BTP

A Model Context Protocol server for LLMs. This article covers how to build MCP servers that integrate with SAP BTP, handle XSUAA token exchange, expose iFlow metadata safely.

Why your iFlow silently drops messages — and how to catch it

Three patterns for dead letter handling. Exception subprocess setup and the monitoring query that surfaces dropped messages.

GitHub Actions pipeline for Integration Suite

Full working pipeline: lint iFlows, run tests, and deploy through dev/stage/prod with approval gates.

The XSUAA token refresh race condition

When multiple requests check token expiration simultaneously, they all refresh. Here's the fix for Node.js and Python.

Dead letter queues in SAP Event Mesh

Production-ready DLQ patterns: retry backoff strategies, alerting on DLQ messages, and replaying messages safely.