Show HN Daily Selection (2025-09-07)
- Greppers – fast CLI cheat sheet with instant copy and shareable search
- Find the cheapest protein per gram across 3000 powders
- Evalyze – AI investor matching from your pitch deck (feedback welcome)
- Dumb Site to Rate Horses
- 60-Second Linux Analysis, Supercharged with Nix and LLMs
- Inception: Automatic Rust Trait Implementation by Induction
- Claudio – Audio Input for Claude.ai
- Seedream 4.0: The Unrivaled King of Image Models Has Arrived
Greppers – fast CLI cheat sheet with instant copy and shareable search [Developer Tools]
54 points, 20 comments
A fast CLI cheat sheet tool with instant search and shareable queries for common command-line commands.
- Static site with vanilla JS for speed and simplicity
- Instant search with keyboard navigation (↑/↓ + Enter)
- Favorites saved via localStorage
- Linkable queries for easy sharing
- Client-side search with confirm prompts for dangerous commands
- Planned features: more commands, offline PWA, and favorites import/export
Discussion Link, Original Link
Find the cheapest protein per gram across 3000 powders [Health]
5 points, 1 comments
Cheapest protein powder finder with real-time Amazon data and AI-powered nutrition extraction.
- Uses Keepa API for real-time Amazon price data
- Employs Gemini 2.5 Flash to extract nutrition facts from images/descriptions
- Calculates actual protein per dollar, not just package price
- FastAPI + Celery backend with Next.js frontend
- Handles 3000+ products with virtual scrolling
- No signup, ads, or affiliate links
- Updates hourly
Discussion Link, Original Link
Evalyze – AI investor matching from your pitch deck (feedback welcome) [Finance]
4 points, 1 comments
AI-powered investor matching tool that analyzes pitch decks to recommend relevant VCs/angels with personalized fit explanations.
- Upload a deck or paste a website to receive a ranked investor list
- Explains matches based on stage, sector, check size, and portfolio patterns
- Focuses on precision over quantity, avoiding generic lists
- Currently limited in newer funds, geo nuances, and buzzword sensitivity
- Seeks feedback on ranking logic, signals, and privacy concerns
Discussion Link, Original Link
Dumb Site to Rate Horses [Entertainment]
3 points, 1 comments
A simple website built with Dioxus to rate horses using AI-generated images.
- Built with Dioxus framework for learning purposes
- Allows users to rate horse images
- Uses open-source AI training dataset for horse images
- Includes humorous and unconventional horse images
- Lighthearted project with playful controversy ("all horses are beautiful")
Discussion Link, Original Link
60-Second Linux Analysis, Supercharged with Nix and LLMs [Developer Tools]
4 points, 1 comments
A tool that automates Linux system diagnostics using Nix and LLMs to run and summarize Brendan Gregg's "60-second Linux analysis" in one command.
- Bundles Linux diagnostic tools via Nix package manager for easy setup
- Executes and analyzes multiple commands in parallel for speed
- Uses LLMs to summarize results faster than manual interpretation
- Supports future expansion with more advanced diagnostic playbooks
- Open-source and installable via a simple one-line curl command
Discussion Link, Original Link
Inception: Automatic Rust Trait Implementation by Induction [Developer Tools]
10 points, 0 comments
A Rust library enabling automatic trait implementation via structural induction, reducing the need for multiple derive macros.
- Uses type-level programming for trait implementation without runtime reflection
- Supports common traits like Clone, Eq, and Hash
- Monomorphization ensures performance comparable to macro expansion
- Experimental, non-idiomatic implementation with potential for optimization
Discussion Link, Original Link
Claudio – Audio Input for Claude.ai [Audio]
5 points, 2 comments
Claudio is a Chrome extension that adds voice input to Claude.ai using OpenAI Whisper for transcription.
- One-click voice recording with progress tracking
- Supports audio file uploads for mobile-to-desktop workflows
- Speed control (1-2x) to reduce API costs
- Private and secure—OpenAI API key stays local
- Real-time transcription stats and analytics
- Seamless integration with Claude's interface
- Free and open-source
Discussion Link, Original Link
Seedream 4.0: The Unrivaled King of Image Models Has Arrived [Image]
3 points, 1 comments
Seedream 4.0 is an advanced AI image model surpassing competitors in versatility and precision.
- Combines text-to-image, editing, and group generation capabilities
- Delivers superior results through advanced natural language control
- Sets a new standard in AI image generation