Challenges
Build your own DNS server
using Rust
Learn about the DNS protocol, DNS record types and more.
1/8
stages
Build your own Docker
using Rust
Learn about kernel namespaces, chroot, the registry API and more
3/6
stages
Build your own Git
using Rust
Learn about git objects, plumbing commands and more
4/7
stages
Build your own BitTorrent
using Rust
Learn about .torrent files, the BitTorrent Peer Protocol and more
5/19
stages
Build your own Interpreter
using Rust
Learn about tokenization, ASTs, tree-walk interpreters and more.
0/84
stages
Build your own HTTP server
using Rust
Learn about TCP servers, the HTTP protocol and more
10/14
stages
Build your own Kafka
using Rust
Learn about TCP servers, the Kafka wire protocol and more.
9/25
stages
Build your own grep
using Rust
Learn about regex syntax: character classes, quantifiers and more
5/33
stages
Build your own Shell
using Rust
Learn about parsing shell commands, executing programs and more
18/76
stages
Build your own Claude Code
using Rust
Learn about LLM APIs, tool calling, agent loops and more
3/6
stages
Build your own Redis
using Rust
Learn about TCP servers, the Redis protocol and more
113/115
stages
February 2026
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Started the Build your own Claude Code challenge using Rust
December 2024
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Started the Build your own Interpreter challenge using Rust
November 2024
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Started the Build your own Redis challenge using Rust
October 2024
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Started the Build your own Kafka challenge using Rust
September 2024
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Started the Build your own grep challenge using Rust
May 2024
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Started the Build your own BitTorrent challenge using Rust
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Started the Build your own Git challenge using Rust
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Started the Build your own DNS server challenge using Rust
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Started the Build your own HTTP server challenge using Rust
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Started the Build your own Shell challenge using Rust
March 2024
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Joined CodeCrafters