Felix Christo

Felix Christo

Ship faster with AI‑powered dev tools

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Felix Christo

14d ago

ProgresX - Live reading progress bar & resume tracker for X articles

Show scroll percentage progress bar on X article pagProgresX adds a sleek glassmorphism progress pill to X (Twitter) article pages. See your live reading progress in real-time, resume exactly where you left off, and know when you've fully completed an article. No more guessing. No more scrolling to find your spot. Built with 60FPS smooth animations, full SPA route support, and zero data collection — 100% privacy-first. Lightweight at 14KB.
Felix Christo

2mo ago

GuardSkills - Scan skills before install. Ship safer AI workflows.

GuardSkills is a lightweight security layer for the skills.sh ecosystem that analyzes skills before execution to reduce trust risk. It inspects metadata and behavior to flag dangerous commands, suspicious network access, and secret exfiltration. Built specifically for skills.sh workflows, it applies context-aware policies and supports custom allow/deny rules. Install via npm, add one guard step, and gain visibility
Felix Christo

2mo ago

MDify - Clean Markdown for LLMs—cut tokens by 50-60%

I ran an experiment: Website link vs Markdown input. Result: 50-60% fewer tokens when using Markdown. Why links fail: • UI junk bloats context • Ads, headers, cookies waste tokens • More tokens = higher cost + worse reasoning Mdify converts web pages into clean .md so LLMs get only signal, not noise. Perfect for Claude, ChatGPT, Gemini, and AI agents. If you care about cost, accuracy, or building agents—this matters.