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Achievements

Achievement: Pair Extraordinairex3Achievement: StarstruckAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: Public SponsorAchievement: YOLO

Achievements

Achievement: Pair Extraordinairex3Achievement: StarstruckAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: Public SponsorAchievement: YOLO

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joaoCarvalho1000/README.md

João Carvalho

I build open-source tools for creative work and everyday problems.

Based in Recife, Brazil. My current projects span music software, desktop utilities, and tools for AI coding agents.

Email · Audio as Code · Open World Clock

Selected projects

Audio as Code

An open-source music framework for AI coding agents. Compose editable scores in Python or JSON, synthesize instruments from code, and export WAV, MIDI, and stems locally.

Python · Audio synthesis · Creative tooling
Listen to demos · Explore the source

Open World Clock

A free world clock for Windows and the web, with time zone conversion, meeting planning, and a day-and-night world map. No ads, accounts, or telemetry.

Electron · Windows · Time zones
Try the web app · Time zone converter · Meeting planner · Explore the source

Tools for coding agents

  • Meta Ads CLI Skill — A community-maintained Claude Code skill with command references and workflows for the Meta Ads CLI. Unofficial; not affiliated with Meta.
  • Store Compliance Skill — A Claude Code skill for reviewing mobile app codebases against App Store and Google Play policies, with actionable findings.

Get in touch

For project feedback and bug reports, open an issue in the relevant repository. For collaboration, send me an email.

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  1. audio-as-code audio-as-code Public

    Open-source music framework for AI coding agents like Claude Code and Codex. Compose editable soundtracks in Python or JSON, synthesize instruments from code, render WAV offline and export MIDI.

    Python 20 1

  2. meta-ads-cli-skill meta-ads-cli-skill Public

    Comprehensive Claude Code skill mirroring Meta's official Ads CLI documentation (unofficial)

    Shell 1

  3. store-compliance-skill store-compliance-skill Public

    Claude Code skill that audits mobile apps against Apple App Store and Google Play policies