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// open-source

I don't just use the ecosystem — I build it.

90+ merged PRs · maintainer of monorepo-builder

525★ monorepo-builder
LaravelSymfonyComposerPHPUnitPHP-CS-FixerPHPStanAWS SDK PHPSentry

// security

2026SECURITY · PHPUNIT

CVE-2026-41570

Argument injection in PHPUnit — reported by Kai. 1 security advisory credit.

// projects

2024–present·PHP · ★ 525

monorepo-builder

Composer tools to maintain a PHP monorepo. I'm a maintainer.

#maintainer#composer#monorepo
2026·PHP

phpstan-type-trace

Reveals the full type-inference chain of a value in PHPStan.

#phpstan#static-analysis#devtool
2025·PHP

x-spam-cast

LLM-powered X/Twitter spam filter with auto mode and gist backup.

#llm#x#automation

// stack

PHP 8.5
Laravel
AWS
PHPStan
PostgreSQL
Redis

// greatest hits

Let's check who committed this… oh, it was me.
It works on my machine. 99% sure it's a config issue. No error means success. If it ain't broke, don't fix it. Legacy code. Don't touch it. There are historical reasons. Nobody owns this service anymore. Let's add a TODO. We'll fix it in the next release. Product says it's urgent. Users won't do that. Why would anyone use it like that? How did this data even get into the database? Hold on, let me grep for it. LGTM. Ship it. Works as designed. Cannot reproduce. Expected behavior. WAI: Working As Intended. PEBKAC: Problem Exists Between Keyboard And Chair. Rubber ducking fixed it. Have you tried turning it off and on again?

// contact

github.com/kayw-geek x.com/KaiWei_capper

email — gated. Decode via /AGENTS.md:

emJwIGdicSByeWN6bmtyIGduIHZueA==