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codecrafters-io/build-your-own-x

// all events — 2026-07-20

Type AI Score Description Actor Reason Date
pr 0.20 add: Build a Web Server (video, 3D) to Web Server All sections likely template; no unique 2026-07-19
pr 0.20 add: Weather CLI app in Dart to Command-Line Tool Follows template, minimal prose, no AI-s 2026-07-19
pr 0.20 add: WebAssembly Interpreter (video) to Programming Language Highly formulaic, template content, no A 2026-07-19
pr 0.20 add: Build your own VPN (video) to Network Stack Standard template use, minimal elaborati 2026-07-19
pr 0.20 add: Tower Defense Game (video) to Game Structured to fit template, lacks AI-gen 2026-07-19
pr 0.20 add: How to program a text adventure in C to Uncategorized Brevity and structure point to template, 2026-07-19
pr 0.20 add: Build a simple template engine (spike.codes) to Templat Very terse, template-format, not ChatGPT 2026-07-19
pr 0.20 add: Slack Bot tutorial (Python) to Bot Minimalist and template-driven; no clear 2026-07-19
pr 0.20 add: A general regex tutorial to Regex Engine Strict adherence to template, not verbos 2026-07-19
pr 0.20 add: Database basics (SQL DB from scratch) to Database Template-driven terse content, minimal f 2026-07-19
pr 0.20 add: Toy programming language in Lua to Programming Language Text is formulaic due to template use, n 2026-07-19
pr 0.20 add: Brainfuck compiler (JS) to Programming Language Follows repository template; neutral, im 2026-07-19
pr 0.20 add: Hecto text editor in Rust to Text Editor Adheres to template structure, lacks AI 2026-07-19
pr 0.20 add: Tetris in ClojureScript to Game Formulaic and templated text, no overt A 2026-07-19
pr 0.20 add: Pygame game from scratch to Game Impersonal, minimal content typical of t 2026-07-19
pr 0.20 add: Build 2048 in React (JS) to Game Conforms closely to template; neutral, u 2026-07-19
pr 0.20 add: Chess Engine (video) to Game Template-driven info, lacks typical AI o 2026-07-19
pr 0.20 add: Raytracer in Rust to 3D Renderer Text matches template, succinct and fact 2026-07-19
pr 0.20 add: Build an 8-bit computer (Ben Eater) to Uncategorized Uses repository template; no exaggerated 2026-07-19
pr 0.20 add: How to Write a Bootloader from Scratch to Uncategorized Standard template completion, minimal an 2026-07-19
pr 0.20 add: minbpe (Karpathy GPT tokenizer) to AI Model Slightly more detail but still minimal, 2026-07-19
pr 0.20 fix: add missing Distributed Systems entry to TOC More descriptive, technical, but no AI h 2026-07-19
pr 0.20 add: Neural Network from scratch in C++, NN&DL, and Haskell Expanded checklist, technical, direct, n 2026-07-19
pr 0.20 fix: update 6 dead/broken README links Detailed, technical, list-format typical 2026-07-19
pr 0.20 add: Python C compiler to LLVM (ecco) (Programming Language) Slightly explanatory, technical terms, s 2026-07-19
pr 0.20 add: Build a Lua interpreter in Rust (Programming Language) Some narrative, but precise and domain-s 2026-07-19
pr 0.15 add: Learn Go by building a CLI tool to Command-Line Tool Follows PR template and issue request; t 2026-07-19
pr 0.15 add: Edulinq (LINQ implementation, C#) to Programming Langua Standard template fill; no AI hallmarks 2026-07-19
pr 0.15 add: Build your own deno-dotenv module to Uncategorized Brief, formulaic, and consistent with te 2026-07-19
pr 0.15 add: Let's write a compiler (Brian Callahan) to Programming Uniform with others; no excessive formal 2026-07-19
pr 0.15 add: Code_Alpha (code/decode messages) to Uncategorized Concise, specific references; no signs o 2026-07-19
pr 0.15 add: Building a Chess Engine in C++ (video) to Game Minimal free-text, follows template, lac 2026-07-19
pr 0.15 add: C Game Engine from Scratch (video) to Game Direct, technical content; no AI-style s 2026-07-19
pr 0.15 add: Learn Blockchain by Code (Go) to Blockchain / Cryptocur Structured template usage; no ChatGPT-li 2026-07-19
pr 0.15 add: BitTorrent Protocol from scratch to BitTorrent Client Template adherence, little original pros 2026-07-19
pr 0.15 add: Build your own autodiff (towardsdatascience) to Neural Boilerplate human-filled; no ChatGPT ind 2026-07-19
commit 0.10 [ADD] Adding Andrej Karpathy series Slightly formal addition but directly re 2023-01-30
pr 0.10 add: NestJS custom transporters intro to Uncategorized Follows contribution template; lacks sty 2026-07-19
pr 0.10 add: Regular Expressions in Scala to Regex Engine Very formulaic but matches likely repo t 2026-07-19
pr 0.10 add: Build your own Redis in Rust to Database Standardized phrasing indicative of a hu 2026-07-19
pr 0.10 add: Redis in Ruby to Database Template adherence; no clear AI tone or 2026-07-19
pr 0.10 add: Create a Programming Language using Python (video) to P Consistent with templated, human-curated 2026-07-19
pr 0.10 add: Build your own Loadbalancer (video) to Uncategorized Formulaic entry, typical of bulk human c 2026-07-19
pr 0.10 add: Build your own Web Thing to Uncategorized No unnatural phrasing; matches repo work 2026-07-19
pr 0.10 add: Introduction to HaxeFlixel to Game Highly procedural, consistent with templ 2026-07-19
pr 0.10 add: Godot Game development (video) to Game Human template completion; doesn't match 2026-07-19
pr 0.10 add: Simple Go HTTP REST server to Web Server Plain template content; lacks AI signatu 2026-07-19
pr 0.10 add: Android WebView tutorial to Uncategorized Structured, repetitive phrasing likely f 2026-07-19
pr 0.10 add: Algorithms & Data Structures in TS to Uncategorized Template-like text, structured, no overt 2026-07-19
pr 0.10 add: 3D rendering without shaders to 3D Renderer Consistent, structured format, template 2026-07-19
pr 0.10 add: 3D Graphics Engine in C++ (video) to Uncategorized Uniform structured PR description; likel 2026-07-19
pr 0.10 add: Connect 4 perfect AI to Uncategorized Brief, template-driven content without A 2026-07-19
pr 0.10 add: Key-Value Store (video) to Uncategorized Minimal, templated content; unlikely AI- 2026-07-19
pr 0.10 add: Interactive proof assistant tutorial to Uncategorized Short entries using PR template, not AI- 2026-07-19
pr 0.10 add: Observable from scratch (RxJS, video) to Uncategorized Follows PR template, concise and technic 2026-07-19
pr 0.10 add: Terminal emulator anatomy to Uncategorized Template-based, repetitive entries; lack 2026-07-19
pr 0.10 add: Frameworkless webapp course to Uncategorized Template-driven with minimal free-form c 2026-07-19
pr 0.10 add: ASGI framework from scratch to Uncategorized Template-driven phrasing, but context su 2026-07-19
pr 0.10 add: K-means clustering from scratch to Neural Network Highly formulaic, but likely human via P 2026-07-19
pr 0.10 add: Transformer from scratch (PyTorch) to Neural Network Consistent template application, no clea 2026-07-19
pr 0.10 add: P2P Blockchain in Go to Blockchain / Cryptocurrency Uniform structure, reflects PR checklist 2026-07-19
pr 0.10 add: Search Engine in PHP to Search Engine Repetitive format, resembling template o 2026-07-19
pr 0.10 add: React Clone tutorial to Front-end Framework / Library Text matches PR template fill, not AI si 2026-07-19
pr 0.10 add: REST Servers in Go to Web Server Boilerplate style due to template, not c 2026-07-19
pr 0.10 add: Toy JVM in Go to Emulator / Virtual Machine No AI style; templated and minimal human 2026-07-19
pr 0.10 add: CHIP-8 VM in JS (video) to Emulator / Virtual Machine All entries formulaic due to PR template 2026-07-19
pr 0.10 add: Compiler using C# (video) to Programming Language Structured and repetitive due to templat 2026-07-19
pr 0.10 add: WebRTC Nuts and Bolts (Go) to Network Stack Concise, domain-specific, template-like, 2026-07-19
pr 0.10 add: SQLToy (SQL DB in JS) to Database Terse, repetitive, matches likely templa 2026-07-19
pr 0.10 add: Java Web Server to Web Server Short, formulaic, follows template, no A 2026-07-19
pr 0.10 add: EaZyGrad deep learning library to Neural Network Brief, uses domain terms, template-drive 2026-07-19
pr 0.10 add: How to create a Matrix bot (Bot) Concise, domain-relevant, and direct; no 2026-07-19
pr 0.10 add: Verlet physics engine in JavaScript (Physics Engine) Technical, succinct, and focused; lacks 2026-07-19
pr 0.10 add: Build your own Tor hidden service (Web Server) Terse, template-driven, no generic AI la 2026-07-19
pr 0.10 add: Ethernet frame analyzer in Python (Network Stack) Brief, domain-specific jargon, non-forma 2026-07-19
pr 0.10 add: WebGPU anime character renderer (3D Renderer) Direct, technical, no AI-style verbosity 2026-07-19
pr 0.10 add: Game tutorials in C/SDL (parallelrealities) Concise, relevant to context, no excessi 2026-07-19
pr 0.10 add: Operating System in 1000 Lines No formulaic AI style; clear human struc 2026-07-19
pr 0.10 add: C-Shell - a shell written from scratch in C Succinct, to the point, filled with spec 2026-07-19
pr 0.05 add: Let's Build a Regex Engine (Swift) to Regex Engine Template-driven, minimal free text; conc 2026-07-19
pr 0.05 add: Write a shell in Python to Shell Follows template, brief technical notes, 2026-07-19
pr 0.05 add: HTTP server from scratch in C to Web Server Highly structured, little AI-style phras 2026-07-19
pr 0.05 add: NoSQL Database from scratch in Go to Database Short, direct, almost entirely template; 2026-07-19
pr 0.05 add: Simple database in Rust to Database Minimal free text, strictly technical; a 2026-07-19
pr 0.05 add: Write an OS for the Raspberry Pi in Rust to Operating S Mainly template, minimal human entry con 2026-07-19
pr 0.05 add: Hobby OS in Rust to Operating System Template language, neutral tone, not AI- 2026-07-19
pr 0.05 add: Intro to RNNs (victorzhou) to Neural Network Very brief, technical, with issue refere 2026-07-19
pr 0.05 add: MiniTorch autodiff library to Neural Network Follows structured template, no verbose 2026-07-19
pr 0.05 add: NES Emulator in Rust to Emulator / Virtual Machine Highly formulaic, likely template, no AI 2026-07-19
pr 0.05 add: A from-scratch tour of Bitcoin in Python (Karpathy) to Template boilerplate reused; free-text i 2026-07-19
pr 0.05 add: Tiny Raycaster (ssloy, C++) to 3D Renderer Template content; concise and repetitive 2026-07-19
pr 0.05 add: Zig posts (LewisGaul) to Uncategorized Follows template, no AI phrasing in free 2026-07-19
pr 0.05 add: compilerXpress webserver-compiler (Node) to Uncategoriz All template, no distinctive AI tone in 2026-07-19
pr 0.05 add: HTTPS Proxy Server in C++ to Uncategorized Entry is brief, template-driven, and dom 2026-07-19
pr 0.05 add: miniature-GPT (Build your own GPT, Python) to Uncategor Structured template use, no evidence of 2026-07-19
pr 0.05 add: Own-IPFS-Service to Uncategorized Boilerplate text shows no clear AI marke 2026-07-19
pr 0.05 add: Zero-Knowledge file sharing (FileShot) to Uncategorized Repetitive, template-based content, like 2026-07-19
pr 0.05 add: yaccgo (Build your Own yacc, Go) to Programming Languag Follows template; dry/terse human practi 2026-07-19
pr 0.05 add: shell-tutorial (UNIX shell in C) to Shell Content minimal; formatting and phrasing 2026-07-19
commit 0.00 Fix incorrect anchor link for AI model section Terse, domain-specific commit; no AI sig 2026-07-14
commit 0.00 Update link for 'Build Deep Learning From Scratch' Terse, human-style commit message with s 2026-06-23
commit 0.00 add build add-build-deep-learning-from-scratch Short, informal, domain-specific commit 2026-06-21
commit 0.00 Updated banner Very brief and typical commit; no AI cha 2026-02-21
commit 0.00 Update the subtitle of Build Your Own Database from Scratch. Plain statement with normal phrasing; hu 2025-12-25
commit 0.00 Add Code a database in 45 steps. Concise, informal, domain-specific entry 2025-12-25
commit 0.00 docs: update Python Reddit bot tutorial link Standard documentation update; manual st 2025-10-02
commit 0.00 Adding new section For Processor Design Informal tone, non-AI phrasing and capit 2025-09-06
commit 0.00 Update README.md Terse summary and clear issue reference; 2025-09-03
commit 0.00 Reverted link removal Specific description with domain details 2025-08-28
commit 0.00 Removed links that no longer function Enumerated removals; concise and informa 2025-08-28
commit 0.00 feat: add SlowTorch for building Neural Networks from scratc Succinct commit with domain-specific con 2025-08-24
commit 0.00 Add Part 2 of "F#: Building Neural Networks in F#" Direct, specific addition; straightforwa 2025-08-18
commit 0.00 Update link of "F#: Building Neural Networks in F#" Concise, edit-specific, and includes fil 2025-08-18
commit 0.00 Update README.md Typical reference-style commit with a Gi 2025-07-29
commit 0.00 update to byox banner Very terse and informal style, likely hu 2025-07-07
commit 0.00 update byox banner Informal title-style commit, brief and t 2025-07-07
commit 0.00 Fix formatting Minimalist wording, standard human edit 2025-07-05
commit 0.00 Build your own AI Model section Fragmented phrasing, direct and informal 2025-07-05
commit 0.00 added index element for new section Casual, minimal free-text likely from a 2025-06-28
commit 0.00 Removed Java: Java Voxel Engine Tutorial [video] as it is no Concise and task-specific, follows commo 2025-05-17
commit 0.00 Adding section for memory allocators and adding a first tuto Simple summary, no AI signals, informal 2025-04-26
commit 0.00 Add a new tutorial link for zig. Very brief, neutral action, no AI signal 2025-04-11
commit 0.00 Removed broken link Short, typical human commit, no AI signs 2025-04-01
commit 0.00 "Build your own voxel engine" video unavalible anymore Contains typo ("unavalible"), informal p 2025-03-29
commit 0.00 Typo Single word, standard commit idiom. 2025-03-22
commit 0.00 Update README. to add sync engine blog post Brief, minor typo, no AI phrasing. 2025-03-22
commit 0.00 Added Build Your Own Kafka Short, natural title, no AI signals. 2025-03-13
commit 0.00 Create .gitattributes Template-like, common commit type, no AI 2024-08-13
commit 0.00 Update README.md Informal, includes typo, long line but n 2024-08-03
commit 0.00 Update README.md No detail, typical for README.md edit, n 2024-07-10
commit 0.00 Update README.md No AI signals; standard commit summary. 2024-07-10
commit 0.00 Return the link in list with fixed value Brief, technical, uses terse domain phra 2024-06-06
commit 0.00 fix: remove dead link from list Terse, domain-relevant commit message. 2024-06-05
commit 0.00 fix: remove pawned link from list Informal note; natural, human tone prese 2024-05-23
commit 0.00 emphasize for missing tutorials Brief, informal, no AI phrasing detected 2024-03-22
commit 0.00 Update README.md Short, factual explanation without AI si 2024-03-17
commit 0.00 fix missing underscore for Go database tutorial Direct, minimal, references specific iss 2024-03-13
commit 0.00 Update README.md Concise, technical, no generic AI phrasi 2024-02-27
commit 0.00 Fixed broken link Direct, plain language; no AI writing ma 2024-02-21
commit 0.00 Update README.md Technical rationale; human-like specific 2024-02-18
commit 0.00 fix: using https instead of http for createcommons Terse commit message with technical focu 2024-02-09
commit 0.00 Update broken git plugin tutorial link Brief, practical phrasing; typical minor 2024-01-24
commit 0.00 Fixed broken link for 'Command line tool in Rust' Terse and clear, minimal phrasing specif 2023-12-29
commit 0.00 Add Build Your Own Web Server From Scratch In JavaScript. Short, technical addition statement; no 2023-11-07
commit 0.00 Update README.md Uses sentence fragments and lists; infor 2023-10-29
commit 0.00 Update README.md No free-text content; default update mes 2023-10-16
commit 0.00 Update README.md Same as above; no custom text, very brie 2023-10-13
commit 0.00 Make links for databases alphabetical Direct technical action; phrasing is con 2023-10-10
commit 0.00 Add Building Regex Engine in Go tutorial Short, context-specific description; nat 2023-10-07
commit 0.00 Fix: Replaced a broken link with alternative from smashingma Concise fix message, specific context; n 2023-09-30
commit 0.00 Add Build your own Redis from scratch in Go Direct and concise commit message, no AI 2023-09-20
commit 0.00 Article "Java: How To Make a Scary Russian Twitter Bot With Natural language and reason given, no AI 2023-08-08
commit 0.00 Update README.md (#916) Template update message, extremely commo 2023-07-12
commit 0.00 Update README.md Generic commit title, no free-text conte 2023-06-05
commit 0.00 Update link Simple, typical link update message. 2023-05-31
commit 0.00 Update URL for Let's Create a Simple Load Balancer With Go ( Standard link update message, nothing AI 2023-05-28
commit 0.00 Update the Build Your Own Compiler book URL. (#904) Generic update with co-author, no AI sig 2023-05-22
commit 0.00 update banner's link Informal, brief, uses possessive form, h 2023-05-22
commit 0.00 Add Write a `Shell` in `C` Straightforward, typical technical commi 2023-05-20
commit 0.00 Update README.md Very standard README update message, no 2023-05-18
commit 0.00 Update README.md Standard commit message, no AI signals. 2023-05-18
commit 0.00 Update README.md with banner GIF Simple descriptive commit message; no AI 2023-05-18
commit 0.00 Build your own VPN/Virtual Switch Concise and direct; domain-specific, not 2023-05-08
commit 0.00 add Build Your Own AdBlocker in (Literally) 10 Minutes Domain-relevant, brief phrasing, not AI- 2023-05-09
commit 0.00 Add the Game Engine Series by The Cherno Short, relevant repo update; informal to 2023-03-07
commit 0.00 Add the database, regex, and interpreter links from build-yo Direct update; technical, concise langua 2023-02-27
commit 0.00 move the listing from docker to database Terse, technical language, no AI indicat 2023-02-14
commit 0.00 Add kv store in ruby Concise, domain-specific commit; clearly 2023-02-14
commit 0.00 Fix typo Brief typo fix message; no AI hallmarks. 2023-02-04
commit 0.00 Add let's write a Lisp Short, relevant commit title; human phra 2023-02-02
commit 0.00 Update README.md README and formatting update titles are 2023-02-02
commit 0.00 Add Rust CLI tools entries Simple, direct language for content addi 2023-02-02
commit 0.00 Minor formatting changes Standard concise commit message for form 2023-01-31
commit 0.00 Add https://osblog.stephenmarz.com/ Direct hyperlink addition, terse wording 2023-01-31
commit 0.00 Minor formatting change Brief formatting note, common human styl 2023-01-31
commit 0.00 Add https://www.chinedufn.com/3d-webgl-basic-water-tutorial/ Concise commit adding a single link, no 2023-01-31
commit 0.00 Update README.md Common update title, generic but not AI- 2023-01-31
commit 0.00 Update primary programming language Standard technical update, direct and hu 2023-01-30
commit 0.00 Add build your own CDN link Succinct, informal addition of a link; n 2023-01-30
commit 0.00 Update banner All are terse, domain-specific messages 2023-01-23
commit 0.00 update the link for Hecto: Build your own text editor in Rus Brief, technical and fits normal human c 2023-01-20
commit 0.00 Add Build Your Own Redis from Scratch with C/C++ Domain-specific and succinct, no sign of 2022-12-31
commit 0.00 Update LFS link Informal and brief; standard for human c 2022-12-19
commit 0.00 Add linux from scratch Short, informal, and directly mentions t 2022-12-17
commit 0.00 Added two links (one previously available). Concise and factual; no hints of AI-like 2022-12-11
commit 0.00 Remove broken link (#830) Direct explanation, informal and human-w 2022-12-05
commit 0.00 Add Video Encoding from Scratch Brief, domain-focused, and lacks generic 2022-12-03
commit 0.00 Add link to Golang terminal emulator article Direct, technical, and informal; typical 2022-11-29
commit 0.00 moved git plugin tutorial to uncategorised Very brief and concise; standard human c 2022-11-27
commit 0.00 Update banner to use GIF Terse, human-like commit summary with no 2022-11-26
commit 0.00 add link to git plugin tutorial Casual, concise phrasing; typical of hum 2022-11-25
commit 0.00 Update banner + tweak header format Direct update message, no AI-like wordin 2022-11-24
commit 0.00 create a category for web browsers Typical commit form, domain-specific; no 2022-11-10
commit 0.00 REMOVED DEAD LINK (#817) Brief, standard commit—likely human auth 2022-10-29
commit 0.00 add nodejs cli tool Short and informal, lacks AI-style phras 2022-10-05
commit 0.00 Build a DNS Server in Node.js Project-specific, concise and informal l 2022-09-28
commit 0.00 chore: remove unavailable tutorial Common 'chore' prefix, industry standard 2022-09-12
commit 0.00 Update README.md Generic file update, no sign of AI langu 2022-09-04
pr 0.00 feat: add WebAssembly tutorial Very terse phrasing, typical for human-a 2026-07-20
pr 0.00 fix: correct Memory Allocator link Succinct commit/pr message, standard in 2026-07-20