Show HN Daily Selection (2025-07-21)
- MCP server for Blender that builds 3D scenes via natural language
- Sifaka – Simple AI text improvement through research-backed critique
- Weekly podcast about longevity studies from PubMed using automation
- Easyfaq.io – Free SEO-Optimized FAQ Page Generator (LLM-Friendly)
- The missing link of a bookstore's tech stack
- Context42 – capture your coding style from across your projects
- New Audiobook Generator for Nvidia Using Chatterbox TTS
MCP server for Blender that builds 3D scenes via natural language [Design]
143 points, 58 comments
A Blender MCP server that builds 3D scenes via natural language using LLMs like ChatGPT and Claude.
- Generates multi-object scenes (e.g., villages, landscapes) from a single prompt
- Understands spatial relations (e.g., "place the bridge over the river")
- Creates camera animations and lighting setups (e.g., "orbit around the scene at sunset")
- Supports iterative changes (e.g., "replace all huts with stone houses")
- Maintains object hierarchy and labels for later editing
- Built with Blender Python, Node.js MCP server, and swappable LLM backends
Discussion Link, Original Link
Sifaka – Simple AI text improvement through research-backed critique [Developer Tools]
6 points, 0 comments
Sifaka is an open-source framework enhancing LLM applications with reflection and reliability.
- Open-source framework
- Adds reflection to LLM applications
- Improves reliability of LLM outputs
- Research-backed critique approach
Discussion Link, Original Link
Weekly podcast about longevity studies from PubMed using automation [Health]
3 points, 0 comments
Automated weekly podcast summarizing actionable longevity studies from PubMed.
- Fetches and filters PubMed studies using predefined longevity keywords
- Parses key findings, methodology, and practical applicability
- Converts studies into short audio episodes for easy consumption
- Saves time for those tracking longevity research without reading papers
Discussion Link, Original Link
Easyfaq.io – Free SEO-Optimized FAQ Page Generator (LLM-Friendly) [E-commerce]
4 points, 0 comments
A free tool for generating SEO-optimized FAQ pages with schema markup for improved search visibility and LLM compatibility.
- Generates SEO-friendly FAQ pages with proper JSON-LD schema markup
- Optimized for Google rich results and LLM interpretation
- No login required, with direct export or embed options
- Designed for small sites, blogs, and landing pages
- Free to use with community feedback encouraged
The missing link of a bookstore's tech stack [E-commerce]
3 points, 0 comments
Bookhead is an integrated inventory management and e-commerce platform designed for independent booksellers to streamline online sales and brand control.
- Centralized inventory management for selling across multiple platforms (e.g., Squarespace, Biblio, eBay, Shopify)
- Customizable e-commerce CMS for online bookstores
- Future roadmap includes a Zapier-like automation platform for booksellers
- Focus on solving fragmentation in bookselling tech with automation
- Early-adopter friendly for booksellers frustrated with outdated solutions
- Seeking funding to accelerate development and support literature-focused mission
Discussion Link, Original Link
Context42 – capture your coding style from across your projects [Developer Tools]
7 points, 3 comments
Context42 is an AI-powered tool that generates code style guides by analyzing your existing codebase to maintain consistency and best practices.
- Language-aware analysis for generating specific style guides per programming language
- Dependency-smart processing to understand module structure and patterns
- Designed for real codebases with configurable concurrency and resume capability
- Pragmatic approach documenting existing practices rather than enforcing arbitrary rules
- Uses worker pools, SQLite for persistence, and file registry for reliability
Discussion Link, Original Link
New Audiobook Generator for Nvidia Using Chatterbox TTS [Audio]
3 points, 2 comments
Audiobook generator using Nvidia with Chatterbox TTS, with a CPU-based alternative for those without a GPU.
- Uses Chatterbox TTS for audiobook generation
- Currently optimized for Windows but designed to be cross-platform
- Requires Nvidia GPU, with a CPU-based alternative (Audiblez) for slower generation
- Open to contributors for MacOS, Linux, and other GPU support