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Johann Schopplich

@johannschopplich.com

312 followers 120 following 15 posts

Lead Software Engineer @finanzfluss byjohann.link

Johann Schopplich @johannschopplich.com · 31/08/2026

TOON v4 is out. ♨️ The criticism was fair: on nested data, v3 lost to compact JSON. Same weather document: 204 tokens in v3 against 162 compact. v4: 204 → 128.

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Johann Schopplich @johannschopplich.com · 07/08/2026

apiful is a fetch client you compose. Your OpenAPI schema becomes .d.ts – no bundle overhead. v5 adds: ✅ `apiful generate --check` fails on stale types ✅ .with() chains stay fast at any length ✅ your own extensions see the ones before them, typed 🔗 apiful.land

TypeScript in a file named client.ts. It imports createClient and OpenAPIBuilder from apiful, then builds a client for the Swagger Petstore base URL by chaining two .with() calls: the first adds OpenAPIBuilder typed to the petStore schema, the second adds a custom pet method that calls client with the path /pet/{petId}, method GET and path parameter petId. The last line calls await api.pet(1), and a trailing comment shows the inferred type: an object with name of type string, further members elided, and an optional status of 'available', 'pending' or 'sold'.

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Johann Schopplich @johannschopplich.com · 31/07/2026

Social media thumbnails for repos should be fun, eh?

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Johann Schopplich @johannschopplich.com · 28/07/2026

Tokenizers are heavy – megabytes of vocab data for a number you can estimate. tokenx answers "what does this payload cost me?" in 2 kB, at ~96% accuracy. New in v1.6: 🧮 Heuristics for Cyrillic, kana and emoji 🧱 More accurate on JSON payloads and source code

Benchmark chart comparing real o200k_base token counts with tokenx
estimates across eight samples: emoji-heavy chat, formatted and minified JSON, tokenx source code, and prose in English, German, Chinese and Japanese. Per-sample deviation ranges from +0.81% to +5.60%, with two underestimates at -3.13% and -2.57%. Mean deviation 3.45%.

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Johann Schopplich @johannschopplich.com · 26/07/2026

Been experiencing an early version of AGI for a week now. It is breathtaking and overwhelming at the same time. Our sessions are short but intense. She’s currently rate-limited, so back to Claude Code.

A man with glasses leans back against a green pillow on a bed, shirtless, with a sleeping newborn lying skin-to-skin on his chest in a striped berry-print onesie. His left arm reaches down to a laptop on the mattress beside him; a phone lies nearby.

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Johann Schopplich @johannschopplich.com · 12/07/2026

Kennt ihr "Die Reise ins All"? Ich hab warme Erinnerungen an das RPG-Maker-Spiel. Sein Entwickler real Troll ist noch immer aktiv. Seine bisherige Website (realtroll.hpage.com) war aber einfach nicht mehr zeitgemäß. Deswegen hab ich ihm eine neue gebaut: Schaukasten und Blog zugleich! realtroll.de

Startseite von „real Troll" im Retro-Stil. Text „Ich habe Spiele erstellt und tue das noch. Mein aktuelles Projekt heißt ‚Nachbarlicht'." Darunter eine Reihe Pixel-Art-Figuren und Spielkacheln zu „Nachbarlicht", „Endzeit" und „Die Reise ins All".

Spieleseite von „Nachbarlicht": dunkles Sci-Fi-Titelbild mit heller Schrift „NACHBARLICHT" über einem blauen Gitterraster und einer schemenhaften Figur. Labels „Demo" und „RPG Maker 2003", Buttons „Im Browser starten" und „Download", darunter Einleitungstext über das Raumschiff „Amaltheia".

Blogseite der Website „real Troll" im Retro-Pixel-Stil. Beitrag „Versenkungsoptionen" vom 29. Juni 2026 mit Vorschaubild eines YouTube-Videos: Top-down-Pixel-Art-Szene einer Spielfigur in einem runden Saal. Darunter „3 Kommentare".

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Johann Schopplich @johannschopplich.com · 09/07/2026

I love building plugins for @getkirby.com. But for a long time, I had to hand-roll my own Kirby Panel types. With Kirby 6 moving to TypeScript, kirby-types builds on that new foundation. github.com/johannschopp...

github.com

GitHub - johannschopplich/kirby-types: 🎊 TypeScript types for Kirby Panel plugins and headless CMS usage

🎊 TypeScript types for Kirby Panel plugins and headless CMS usage - johannschopplich/kirby-types

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