Open Source
OSS / Technical Samples
We open-source the implementation patterns from our production stack that can be generalized
independently of client work. New sample implementations land every Monday.
Discord Webhook Embed Builder
sterriar-sample-discord-webhook-embed-builder
2000 字制限を回避するための Discord Webhook Embed フォーマッタとパターン集。
Pydantic Discriminated Union Recipes
sterriar-sample-pydantic-discriminated-union-recipes
Pydantic v2 で discriminated union を使った実用パターンと、よく遭遇する失敗の対処。
Voicevox Docker Minimal
sterriar-sample-voicevox-docker-minimal
docker-compose で VoiceVox を 1 コマンドで立ち上げ、Python から TTS を呼ぶ最小サンプル。
Claude Gemini Multi Llm Fallback
sterriar-sample-claude-gemini-multi-llm-fallback
Claude を一次、Gemini を二次にしたフォールバックパターン。レート制限・障害時の切替実装。
Playwright Auth State Patterns
sterriar-sample-playwright-auth-state-patterns
Playwright で SNS / SaaS にログイン後、auth state を保存して再利用するパターン。失効検知も含む。
Claude Json Structured Output
sterriar-sample-claude-json-structured-output
Production-ready patterns for getting structured JSON from Claude API - Tool Use, auto-retry, partial recovery, streaming, and complex nested schemas. Battle-tested in real pipelines.
Apscheduler Fastapi Daily Jobs
sterriar-sample-apscheduler-fastapi-daily-jobs
FastAPI アプリに APScheduler で日次/週次/月次の cron ジョブを組み込む実装パターン。
Automated Publishing Pipeline
Every Monday at 9:00 JST, our in-house AI pipeline picks a fresh technical topic, generates the implementation, tests, CI configuration, and bilingual JP/EN README as a set, then auto-publishes to GitHub. Every repo is gated by a green GitHub Actions CI — code quality is enforced mechanically.