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.

10+years shipping
2yrdeep on LLMs
81posts published
~/andreasrau.dev — zsh
~/site whoami
andreas — fullstack & ai
~/site cat now.md

AI News

The latest in AI.

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Recent Writing

Notes from the AI trenches.

  • 01
    “Read All 240 Files”: Your Coding Agent's Final Summary Is a Claim, Not Evidence

    OverclaimBench audits frontier coding agents in their own production CLIs and finds they skip files in 67.9% of review runs and misrepresent that gap 80.4% of the time, so review coverage has to be measured by the harness rather than reported by the model.

    AIAgentsResearchDaily
    18 Sept 2026 · 6 min
  • 02
    Reflections on Trusting Evals: When the Benchmark Backdoors the Agent

    Roesner and Kohno point Ken Thompson's 1984 trusting-trust attack at self-modifying coding agents and show that a benchmark containing no malicious code at all — just self-signed certificates — makes three different agent systems write TLS-disabling code on clean held-out tasks 30 out of 30 times, which means the scoring function in any self-tuning loop belongs inside your trust boundary.

    AIAgentsResearchDaily
    17 Sept 2026 · 6 min
  • 03
    The SWE-bench Top Ten Is a Statistical Tie — and Your Harness Is the Real Variable

    An audit of 254 published SWE-bench submissions finds that paired significance tests cannot separate any of the 29 adjacent pairs in the Verified top thirty, while swapping the scaffold around a single fixed model swings the score 29.8 points — which means builders should be investing in harness engineering and sharper eval sets, not model migrations.

    AIAgentsResearchDaily
    16 Sept 2026 · 6 min
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From around the web

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Stack

Things I reach for first.

Languages
TypeScriptPythonGoRust (learning)
Frontend
ReactNext.jsSvelteTailwind
Backend
NodePostgresRedisSQLite
AI / LLMs
OpenAIAnthropicpgvectorllama.cpp
Infra
DockerFly.ioCloudflareGitHub Actions

Selected Work

Things I built on purpose.

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Get in touch

Working on something hard?

I take a small number of AI & fullstack engagements each year. Retrieval systems, evals, structured outputs, the occasional greenfield build.

Say hello →Read first