Andreas Rau · Munich · available for development work

Fullstack developer shipping production mobile apps.

I build web and mobile products with TypeScript & Flutter/Dart, and I spend most of my time on AI systems that have to work on Tuesday and still work on Thursday. This site is where I write it down.

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10+years shipping

2yrdeep on LLMs

78posts published

~/andreasrau.dev — zsh

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andreas — fullstack & ai

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AI News

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Recent Writing

Notes from the AI trenches.

01
Agentic Coding Research Digest — September 2026
Eight papers from the past ten days show how much of a coding agent's score is really the harness, the sandbox and the stopping rule, and what that means for anyone choosing models, writing SKILL files or wiring up review loops.
AIAgentsResearchDigest
15 Sept 2026 · 15 min
02
Past the Inflection Point: Why Three Agent Sessions Beat One Long One
A Berkeley/UW study runs Claude Code, Codex, Gemini CLI and Kimi Code for up to 100M tokens and finds every agent eventually scales worse than simply starting over, which turns "how long should this run go?" into a measurable budget-splitting rule.
AIAgentsResearchDaily
15 Sept 2026 · 6 min
03
Half the MCP Registry Doesn't Start
A probability sample of the MCP registry finds only 48.8% of servers even start — and the same paper shows 68.8% of raw BFCL rows are exact duplicates, which should change both how you supervise MCP servers and how you read tool-use leaderboards.
AIAgentsResearchDaily
13 Sept 2026 · 6 min