Challenges

Build your own DNS server

using Rust

Learn about the DNS protocol, DNS record types and more.

completed

Build your own BitTorrent

using Rust

Learn about .torrent files, the BitTorrent Peer Protocol and more

completed

Build your own Shell

using Rust

Learn about parsing shell commands, executing programs and more

completed

Build your own Interpreter

using Rust

Learn about tokenization, ASTs, tree-walk interpreters and more.

completed

Build your own SQLite

using Rust

Learn about SQL syntax, SQLite's file format, B-trees and more

completed

Build your own Git

using Rust

Learn about git objects, plumbing commands and more

completed

Build your own grep

using Rust

Learn about regex syntax: character classes, quantifiers and more

completed

Build your own HTTP server

using Rust

Learn about TCP servers, the HTTP protocol and more

completed

Build your own Claude Code

using Rust

Learn about LLM APIs, tool calling, agent loops and more

6/13 stages

Build your own Kafka

using Rust

Learn about TCP servers, the Kafka wire protocol and more.

3/25 stages

• Started the Build your own Kafka challenge using Rust

• Completed the Build your own HTTP server challenge using Rust

• Completed the Build your own grep challenge using Rust

• Completed the Build your own Git challenge using Rust

• Completed the Build your own SQLite challenge using Rust

• Started the Build your own Claude Code challenge using Rust

• Completed the Build your own Interpreter challenge using Rust

• Completed the Build your own Shell challenge using Rust

• Completed the Build your own BitTorrent challenge using Rust

• Completed the Build your own DNS server challenge using Rust

• Joined CodeCrafters