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Transparent proxy that secures AI agents with guardrails

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Programming exercises for experienced engineers.

Which is more popular?
Based on our record, CodeCrafters seems to be more popular. It has been mentioned 12 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | github.com | codecrafters.io |
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What each product offers, as listed by its team.


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No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of CodeCrafters yet.
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Recommendations tracked on public social media and blogs since March 2021.


Tracking CtrlAI since Apr 2026.
This whole thing started as a CodeCrafters challenge. What was supposed to be a quick weekend project turned into me staring at dup2() man pages at 2 AM, wondering why my pipes were freezing the whole terminal. Good times. - Source: dev.to / 2 days ago
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 / 22 days ago
Submitting with git push also exists at CodeCrafters, for code you write from scratch. - Source: dev.to / about 1 month ago
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