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A
u/agent_smith·about 1 hour agoproject

Real-time AI code pairing: watch two agents collaborate on a full-stack app

I built a system where two AI agents pair-program with each other in real-time. One writes code, the other reviews and refactors. They built a complete CRUD app in 6 minutes. Video inside.

Real-time AI code pairing: watch two agents collaborate on a full-stack app
Multi-AgentFull-Stack
71.3k
4.1k23489.1k
G
u/gamedev_ai·about 2 hours agoproject

I made an AI that generates game levels from hand-drawn sketches [video demo]

Draw a rough sketch on paper, take a photo, and my model generates a fully playable 3D game level. Uses a custom diffusion model + depth estimation. Here's a 2-minute demo.

I made an AI that generates game levels from hand-drawn sketches [video demo]
Game DevDiffusionUnity
63.4k
2.9k44578.2k
N
u/neural_dev·about 3 hours agoproject

I built an AI agent that writes entire React apps from a single prompt

After 3 months of fine-tuning GPT-4 and Claude, I created an agent that takes a natural language description and outputs a fully working React + Tailwind app. Here's how it works and the architecture behind it.

I built an AI agent that writes entire React apps from a single prompt
GPT-4ReactAI Agents
47.2k
1.8k31258.4k
V
u/vscode_nerd·about 5 hours agodiscussion

My VS Code setup for AI-assisted development — full config share

Sharing my exact VS Code config that maximizes AI productivity: extensions, keybindings, snippets, and settings. This took me a year to perfect. Screenshot of my daily workflow included.

My VS Code setup for AI-assisted development — full config share
VS CodeProductivity
28.7k
1.2k35.4k
P
u/prompt_queen·about 7 hours agoprompt

The ultimate system prompt for code review — catches bugs that senior devs miss

I've been iterating on this prompt for 6 months across 200+ PRs. It catches race conditions, security vulnerabilities, and performance issues better than most human reviewers. Copy-paste ready.

Prompt EngineeringCode Review
38.9k
9671.2k52.1k
L
u/lang_designer·about 8 hours agodiscussion

Claude just wrote a working compiler for a language I invented in 20 minutes

I described a new programming language spec in plain English and asked Claude to build a compiler. It generated a lexer, parser, AST, and code generator in TypeScript. Everything works. I'm shook.

CompilersClaude
44.1k
2.6k51.8k
D
u/design_to_code·about 10 hours agoproject

My weekend project: AI that converts Figma designs to production Next.js code

Pass a Figma file URL → get pixel-perfect Next.js + Tailwind components. Handles responsive layouts, dark mode, and even animations. Accuracy is around 92% compared to the design.

My weekend project: AI that converts Figma designs to production Next.js code
FigmaNext.jsTailwind
52.6k
2.3k78963.4k
C
u/code_pilgrim·about 12 hours agodiscussion

Why I stopped using Copilot and switched to Cursor — and then came back

Hot take: I tried every AI coding tool for 2 months each. Here's my brutally honest comparison of Copilot, Cursor, Cody, Windsurf, and Aider. The results surprised me.

Why I stopped using Copilot and switched to Cursor — and then came back
AI ToolsDiscussion
55.8k
3.2k61.2k
C
u/ci_automator·about 14 hours agoproject

Built a GitHub Actions bot that auto-fixes failing tests using AI

When CI tests fail, this bot reads the error, understands the codebase, generates a fix, and opens a PR. It fixed 73% of our test failures automatically last month.

Built a GitHub Actions bot that auto-fixes failing tests using AI
GitHub ActionsCI/CDAutomation
38.4k
1.9k1.2k46.1k
M
u/ml_viz·about 15 hours agoproject

Visualizing how transformers actually attend to code — interactive demo

Built an interactive visualization tool that shows attention patterns as LLMs process code. You can paste any code and see exactly which tokens the model focuses on. Really eye-opening for debugging prompts.

Visualizing how transformers actually attend to code — interactive demo
TransformersVisualization
33.8k
1.4k67841.2k
R
u/rustacean_ai·about 18 hours agoproject

Open-sourcing my AI-powered terminal: 50k stars in 2 weeks

Built a terminal emulator with built-in AI that understands your codebase context. Auto-completes commands, explains errors, and suggests fixes. Written in Rust + TypeScript.

Open-sourcing my AI-powered terminal: 50k stars in 2 weeks
Open SourceRustTerminal
42.1k
1.6k89047.3k
M
u/ml_engineer·about 20 hours agodiscussion

Unpopular opinion: RAG is overrated, fine-tuning small models is the future

Everyone's building RAG pipelines but getting mediocre results. I switched to fine-tuning domain-specific 3B models and the quality difference is staggering. Here's my cost analysis.

Unpopular opinion: RAG is overrated, fine-tuning small models is the future
RAGFine-tuningHot Take
41.2k
3.6k49.8k
C
u/chain_master·1 day agoprompt

My prompt chain that turns any PDF into a fully structured API

Upload a PDF → AI extracts the schema → generates TypeScript types → creates REST endpoints → writes tests. All automated with a 4-step prompt chain. Works with Claude 3.5.

ClaudeAutomation
31.4k
7422.1k39.8k
L
u/local_llm_guy·1 day agoproject

I trained a local 7B model to be better than GPT-4 at writing SQL

Fine-tuned Mistral 7B on 100k SQL query pairs with DPO. It now beats GPT-4 on Spider benchmark by 12%. Runs on a single RTX 4090. Model weights and training code included.

I trained a local 7B model to be better than GPT-4 at writing SQL
Fine-tuningSQL
49.3k
2.1k56755.7k
L
u/llm_skeptic·1 day agodiscussion

Is prompt engineering dead? LLMs are getting too smart for complex prompts

Controversial opinion: with o1 and Claude 3.5 Opus, elaborate prompt chains are becoming unnecessary. Simple instructions now outperform heavily engineered prompts. Here's my data from 500 experiments.

Is prompt engineering dead? LLMs are getting too smart for complex prompts
LLMHot Take
36.7k
2.9k44.5k
P
u/prompt_architect·2 days agoprompt

The "10x developer" prompt — make any LLM write production-grade code

This meta-prompt transforms how LLMs approach coding tasks. It enforces error handling, edge cases, logging, types, and tests. Just prepend it to any coding request.

Meta-PromptProduction
57.2k
1.9k3.4k62.8k