Show HN Daily Selection (2025-09-18)
- Pgmcp, an MCP server to query any Postgres database in natural language
- A Cyberpunk Tuner
- A PSX/DOS style 3D game written in Rust with a custom software renderer
- STT –> LLM –> TTS pipeline in C
- I built a platform for long-form media recs (books, articles, etc.)
- Coding AI Agent API for Developers
- HuMo AI – Create Realistic Videos with Text, Image, and Audio Inputs
- npm-daycare, an NPM proxy that filters out recent & small packages
Pgmcp, an MCP server to query any Postgres database in natural language [Developer Tools]
8 points, 1 comments
A tool that allows querying any Postgres database using natural language.
- Enables natural language queries for Postgres databases
- Functions as an MCP server
- Simplifies database interactions without requiring SQL knowledge
Discussion Link, Original Link
A Cyberpunk Tuner [Audio]
4 points, 2 comments
An offline-first audio deck station with cyberpunk aesthetics.
- Works offline after initial online access
- Requires HTML5
- Supports local audio files up to 2GB
- Smooth track transitions
- Includes EQ, compressor, pitch, and speed controls
- Built with tone.js
Discussion Link, Original Link
A PSX/DOS style 3D game written in Rust with a custom software renderer [Entertainment]
52 points, 33 comments
A PSX/DOS-style 3D game written in Rust with a custom software renderer, featuring retro graphics and minimal dependencies.
- Built entirely in Rust with only SDL2 as a dependency for windowing, input, and audio
- Custom software renderer with true-color 3D rendering, Z-buffer, and triangle rasterization
- Supports multiple platforms (Windows, Linux 32/64-bit) with automated deployment
- Runs on older hardware (2005 Pentium laptop, Raspberry Pi 3B+) with decent performance
- Includes custom-made assets (audio, images, fonts) and development tools like Blender and GIMP
- Single-threaded, no SIMD or inline assembly, with interlaced rendering for performance boost
Discussion Link, Original Link
STT –> LLM –> TTS pipeline in C [Developer Tools]
9 points, 0 comments
A C/C++ pipeline integrating Whisper.cpp, Llama.cpp, and Piper for speech-to-text, LLM inference, and text-to-speech.
- Uses Whisper.cpp for speech-to-text
- Integrates Llama.cpp for LLM inference
- Implements Piper for text-to-speech
- Supports Windows and Linux
Discussion Link, Original Link
I built a platform for long-form media recs (books, articles, etc.) [Text]
17 points, 3 comments
A platform for sharing and discovering long-form media recommendations like books and articles.
- Focuses on long-form content recommendations
- Supports books, articles, and similar media
- Open to user feedback for improvements
Discussion Link, Original Link
Coding AI Agent API for Developers [Developer Tools]
3 points, 0 comments
AI-powered coding agent API for developers to integrate custom-branded coding assistance into their products.
- Custom branding with prebuilt UI
- Initial focus on web apps, expanding to other software types
- Waitlist available for upcoming launch
Discussion Link, Original Link
HuMo AI – Create Realistic Videos with Text, Image, and Audio Inputs [Video]
4 points, 0 comments
AI-driven tool for creating realistic, human-centric videos from text, image, and audio inputs.
- Multi-Input Support: Combine text, images, and audio for video generation
- Realistic Results: Produces lifelike videos with perfect synchronization
- Storytelling Focus: Ideal for immersive experiences, education, and character creation
- Full Customization: Tailor appearance, actions, and other elements
- Advanced AI Engine: Ensures versatility for gaming, education, and marketing
Discussion Link, Original Link
npm-daycare, an NPM proxy that filters out recent & small packages [Developer Tools]
6 points, 2 comments
An NPM proxy that filters out recent and low-download packages to mitigate supply chain attacks.
- Filters packages younger than 48 hours, serving older versions instead
- Blocks packages with fewer than 5,000 weekly downloads
- Built on Verdaccio for easy Docker deployment
- Works globally across npm, pnpm, yarn, and bun
- Not a complete security solution but reduces risk of malicious packages