
Scrimba
Codédex
GoIT LMS
Codelita
Data Protocol
codedamn
Codecademy
Programming exercises for experienced engineers.

AI Skills Manager
SkillsBoard.sh
MCP.so
Agent Skills Directory
mcp skills
MCPServer.so
MCPServer.cc
Find and discover skills, MCP servers and marketplaces for Claude Code, Codex, Cursor and other coding agents - from Anthropic, OpenAI, Cursor and more. An automatically updated directory, ranked by real installs.

Which is more popular?
Based on our record, CodeCrafters seems to be more popular. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codecrafters.io | skillselion.com |
| Pricing | — | |
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What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
Walkthroughs and reviews on video.
Learn to Build Real Software With CodeCrafters
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CodeCrafters and Skillselion. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Sometime ago, I decided to embark on a new endeavor, I was curious about how shell works, and came across the the codecrafters.io build your own shell challenge, and thought this is a good opportunity for me to learn shell, as well as... - Source: dev.to / 19 days ago
Submitting with git push also exists at CodeCrafters, for code you write from scratch. - Source: dev.to / 28 days ago
I had a lot of with Code Crafters. It's a paid platform, but they give you a basic walk through of different technologies, with full test suites. For example, you implement some basic Redis. It doesn't spoon feed you what to do, but... - Source: Hacker News / 10 months ago
Tracking Skillselion since Jul 2026.
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