This is your work, valued

Italy

Francesco Mistero

@Kappaemme-git

Computer Science student at the University of Naples Federico II, passionate about building software, exploring AI, and contributing to open-source projects.

www.kappaemme.dev/

codex-startup-pressure-test-skill. JavaScript

981

codex-first-customer-finder-skill. A Codex skill that finds evidence-backed potential first customers from recent public signals.

933

codex-complexity-optimizer. Codex skill for safe codebase complexity analysis and performance optimization reports

909

local-client-prospector-skill. JavaScript

151

codex-phone-lab. Codex skill for building Expo apps live on a real phone

86

codex-bug-reproducer. Consent-first Codex skill that reproduces bugs and proves fixes with red-to-green evidence

65

codex-design-audit-skill. JavaScript

45

MengToFrontend. JavaScript

42

codex-video-short-maker-skill. Python

33

codex-startup-user-simulator-skill. A Codex skill that tests landing pages with five evidence-based simulated customer personas.

32

codex-mac-storage-cleanup. Python

31

codex-sell-my-saas-skill. JavaScript

22

codex-code-rot-cleaner. A consent-first Codex skill that finds and proves removable code safely.

13

codex-startup-business-planner. Codex skill that turns a startup into an evidence-backed business plan, pricing strategy, financial model, and 90-day roadmap.

13

codex-speedup-proof. Codex skill that safely optimizes code and proves the result with before-and-after benchmarks

13

codex-startup-channel-finder. Python

12

codex-security-audit-skill. Python

11

site-post-screenshots. Create polished social-post screenshots from real websites

6

VibeDesk. JavaScript

5

codex-startup-pricing-lab. A Codex skill that recommends evidence-backed startup pricing models, plans, prices, and validation experiments.

5

codex-mvp-goal-skill. JavaScript

4

x-phoenix-score-codex-skill. Codex skill for scoring and improving X posts with Phoenix-style engagement weights.

3

prompt-budget-advisor. Codex skill that estimates prompt size and rewrites prompts for Claude or Codex.

3

ClarityLandingPage. HTML

2

heyjarvis. Python

2

codex-simple-flight-search-skill. A Codex skill for simple assisted flight searches without APIs or scraping.

2

codex-pain-signal-miner-skill. A Codex skill that finds evidence-backed startup problems and opportunities from public pain signals.

2

codex-fm. CSS

1

My-Portfolio. CSS

1

Vibedesk-2.0. JavaScript

1

metodo-zac. HTML

1

landing-to-powerpoint. Python

1

codex-mac-file-detective. A privacy-first Codex skill that finds forgotten Mac files from vague clues.

1