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Friedrichs IT Signet

API

API-first design, lifecycle thinking, developer enablement, and governance for real production systems.

APIs are more than endpoints. They are contracts, products, and integration surfaces that need clear design, reliable implementation, usable documentation, and strong governance over time. In this section, I write about API-first design, lifecycle management, developer portals, security, and operational patterns for durable API landscapes.

Focus Areas

API Design

Design principles that keep APIs stable, understandable, and versionable.

API Documentation

Documentation developers actually use and integrate into their workflows.

Articles

API Changelogs with Docusaurus

API Changelogs with Docusaurus

Add versioned OpenAPI snapshots, CI-based diffs, and a practical changelog flow to Docusaurus so API consumers can understand and migrate releases safely.

10 Min. Lesezeit
MCP Resources: Adding Climate Data to Your Weather Server

MCP Resources: Adding Climate Data to Your Weather Server

Extend MCP servers with Resources for read-only data. Add 30-year climate normals to the weather server, understand Resource Templates, and combine Tools + Resources for powerful AI workflows.

12 Min. Lesezeit
Publish Once or Fragment Forever? About the State of MCP Registries

Publish Once or Fragment Forever? About the State of MCP Registries

From modelcontextprotocol.io's Registry Preview and Generic Registry API to GitHub, Docker, Azure, Smithery, Raycast, MCP.so, PulseMCP, and FluidMCP—what MCP registries actually do and how to choose.

7 Min. Lesezeit
AsyncAPI – Documenting Message-Driven APIs

AsyncAPI – Documenting Message-Driven APIs

How AsyncAPI complements OpenAPI for documenting asynchronous message-driven APIs, with a practical example, diagram, CI/testing tips, and documentation options.

4 Min. Lesezeit
OpenAPI Specification 3.2 Released – What’s New?

OpenAPI Specification 3.2 Released – What’s New?

OpenAPI 3.2 brings path templating, new HTTP methods, streaming support, and richer documentation features.

5 Min. Lesezeit
Internal API Documentation with Docusaurus

Internal API Documentation with Docusaurus

Docusaurus is great for public developer portals, but what if you want to keep your API documentation internal?

8 Min. Lesezeit