Author Profile: JanSzewczyk

Skills published by JanSzewczyk with real stars/downloads and source-aware metadata.

Total Skills

3

Total Stars

0

Total Downloads

0

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Skills Performance

Comparison chart based on real stars and downloads signals from source data.

kw-lookup

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skill-ab-optimizer

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true-dom-tester

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Published Skills

Coding

kw-lookup

Wyszukuje dane nieruchomości po polskim numerze księgi wieczystej (KW) — adres, działki/lokal, właścicieli, prawa, roszczenia, ograniczenia i hipoteki. Używaj gdy użytkownik poda numer w formacie XX1X/XXXXXXXX/X (np. WA1M/00123456/7) lub prosi o "sprawdź księgę wieczystą", "dane z KW", "znajdź adres/właściciela/hipoteki po KW". Łączy skill playwright-cli do browser automation na portalu EKW (ekw.ms.gov.pl, wymaga ręcznego rozwiązania CAPTCHA) z REST API ULDK GUGiK do wzbogacenia o geometrię działki i współrzędne.

Repository SourceNeeds Review
Coding

skill-ab-optimizer

Continuously tests and improves Claude Code skills using A/B experimentation and Auto Research ML loop. Provides quantitative metrics on skill effectiveness and automatically approves only changes that improve outcomes.

Repository SourceNeeds Review
Coding

true-dom-tester

Generates and runs automated browser tests using Playwright CLI and the accessibility tree (DOM snapshot). Faster and cheaper than screenshot-based approaches. Uses semantic locators, real DOM structure, and optional Firecrawl for bot-protected pages.

Repository SourceNeeds Review
Author JanSzewczyk | V50.AI