Show HN Daily Selection (2025-08-27)
- A zoomable, searchable archive of BYTE magazine
- Smooth – Faster, cheaper browser agent API
- Sideko – Hybrid deterministic/LLM generator for API SDKs and docs
- Turn Markdown into React/Svelte/Vue UI at runtime, zero build step
- I integrated my from-scratch TCP/IP stack into the xv6-riscv OS
- GigsAlert - Never Miss an Urgent Gig Again
- Rustormy – a neofetch-style weather CLI in Rust
- My OSS P2P file transfer tool for learning Next.js (as a C++ dev)
- OpenCQRS – A new CQRS framework for JVM developers
- Word Slicer – browser word game (follow-up, looking for feedback)
- Sip: Alternative to Git Clone
- Enterprise MCP Bridge – Solving the MCP Chaos for IT
- Ubon – a solution for the "You're absolutely right" debugging dread
- Framework to create linters for Python, YAML, TOML, JSON
- Built a tool to analyze the performance and risk of your IBKR portfolio
- Arabic Vocab API
- Rebuilding GPT2 inference in ~500 lines of (commented) code
- Lateral Thinking Puzzles – AI host that only answers Yes/No/Unknown
- Get the attention of sales prospects by eating a photo of their face
- Alertee.io – Catch data issues early with SQL-based checks
- I built AI Agents that automate comprehensive due diligence on stocks
- ID8 – A scratchpad that tells you what not to build
- I estimated the carbon impact of different LLMs
- First background agents in Jetbrains IDEs [video]
- Old-School TUI File Viewer for Modern Terminals
- Stop saving your scans on 3rd party servers
- Smart email filters to unfuck your email
- Port of SWE-Agent to TypeScript
A zoomable, searchable archive of BYTE magazine [Research]
316 points, 54 comments
A zoomable, searchable digital archive of BYTE magazine with 100k pages.
- Full-text search across all issues
- High-resolution, zoomable page views
- Browse historical tech ads and articles
- Single interface for entire magazine collection
Discussion Link, Original Link
Smooth – Faster, cheaper browser agent API [Developer Tools]
34 points, 9 comments
Smooth is a faster, cheaper browser agent API that is 5x faster and 7x cheaper than alternatives, designed for reliability and efficiency.
- 5x faster and 7x cheaper than existing browser agents
- Uses LLM-friendly context design (LLM-Ex) for better performance
- Enables agents to write code for complex logic and manipulation
- Features instant browser spin-up, custom proxies, and auto-CAPTCHA solving
- Optimizes webpage extraction, filtering, and cleaning for efficiency
- Free trial available with comprehensive documentation and demo video
Discussion Link, Original Link
Sideko – Hybrid deterministic/LLM generator for API SDKs and docs [Developer Tools]
19 points, 5 comments
Sideko is a hybrid deterministic/LLM generator for API SDKs and docs that preserves custom code modifications during regeneration.
- Uses structured pattern matching instead of static templates to preserve developer changes
- Combines deterministic codegen for base structure with LLM enhancements for adaptability
- Retains LLM edits across regenerations while syncing deterministic code with API changes
- Enforces consistency through type checking and integration tests
- Supports Python and TypeScript with language-specific rules
- CLI tool for easy installation and usage
Discussion Link, Original Link
Turn Markdown into React/Svelte/Vue UI at runtime, zero build step [Developer Tools]
181 points, 90 comments
Convert Markdown to React/Svelte/Vue UI dynamically without a build step.
- Runtime conversion of Markdown to UI components
- Supports React, Svelte, and Vue frameworks
- No build step required for integration
Discussion Link, Original Link
I integrated my from-scratch TCP/IP stack into the xv6-riscv OS [Developer Tools]
119 points, 12 comments
A from-scratch TCP/IP stack integrated into the xv6-riscv OS for educational and practical networking exploration.
- From-Scratch Stack: Uses microps, a custom TCP/IP stack originally built for user-space learning.
- Kernel Integration: Ported into the xv6-riscv kernel for direct OS-level networking.
- Socket API: Supports standard system calls (socket, bind, accept) for application development.
- User-level Tools: Includes ifconfig, tcpecho, and udpecho servers for demonstration.
- Virtio-net Driver: Enables seamless QEMU-based communication with the host machine.
Discussion Link, Original Link
GigsAlert - Never Miss an Urgent Gig Again [Business]
3 points, 1 comments
Never miss urgent gigs with GigsAlert.
- Alerts for urgent gigs
- Ensures timely notifications
Discussion Link, Original Link
Rustormy – a neofetch-style weather CLI in Rust [Developer Tools]
3 points, 0 comments
A minimal terminal weather tool in Rust with ASCII art and ANSI colors.
- Displays current conditions (temp, wind, humidity, pressure, precipitation)
- Features ASCII icons and color output
- Supports input by city or lat/long
- Offers metric/imperial units, JSON output, and multi-language support
- Includes live mode with auto-refresh
- Works with Open-Meteo (no API key) and OpenWeatherMap
- Installable via
cargoor prebuilt binaries
Discussion Link, Original Link
My OSS P2P file transfer tool for learning Next.js (as a C++ dev) [Developer Tools]
11 points, 0 comments
A peer-to-peer file-sharing tool built with Next.js, offering secure, direct transfers without intermediaries.
- Completely free and open-source with no ads
- No sign-up or installation required—works in the browser
- Direct P2P connection for privacy and speed
- No file size or type restrictions
- Supports folder transfers and resumable transfers
Discussion Link, Original Link
OpenCQRS – A new CQRS framework for JVM developers [Developer Tools]
3 points, 0 comments
OpenCQRS is a new CQRS framework designed for JVM developers.
- Targets JVM developers
- Implements CQRS (Command Query Responsibility Segregation) pattern
- Open-source framework
Discussion Link, Original Link
Word Slicer – browser word game (follow-up, looking for feedback) [Entertainment]
3 points, 4 comments
Free, ad-free browser word game where players find 5 words in 5 minutes.
- Daily challenge archive
- Cleaner UI
- Better stats
- Feedback sought on gameplay flow, design/UX, and engagement
Discussion Link, Original Link
Sip: Alternative to Git Clone [Developer Tools]
3 points, 2 comments
A lightweight CLI tool for downloading specific files or directories from GitHub without cloning the entire repository.
- Downloads single files, directories, or entire repos without full cloning
- Works on Linux and macOS (Windows support pending fixes)
- Open-source with contributions welcome for unresolved issues
Discussion Link, Original Link
Enterprise MCP Bridge – Solving the MCP Chaos for IT [Developer Tools]
6 points, 0 comments
Enterprise MCP Bridge is an open-source tool that simplifies change management processes by integrating with existing MCPs.
- Solves authentication challenges
- Supports multi-user environments
- Provides REST API wrappers for existing MCPs
- Open-source and community-driven
Discussion Link, Original Link
Ubon – a solution for the "You're absolutely right" debugging dread [Developer Tools]
3 points, 0 comments
Ubon is an open-source tool that detects hard-to-find coding issues like API keys and broken links that slip past linters and AI assistants.
- Catches non-obvious errors like hardcoded API keys, broken links, and insecure cookies
- Works with AI agents (e.g., Claude Code) and linters like ESLint
- Provides line-specific fixes for developers and AI tools
- Open-source, MIT-licensed, and designed for long-term use
- Tested on buggy codebases and AI-generated faulty repos
Discussion Link, Original Link
Framework to create linters for Python, YAML, TOML, JSON [Developer Tools]
4 points, 2 comments
A Python framework for creating custom linters for multiple file formats with minimal code.
- Quick setup (~20 LOC to create a linter)
- Supports Python, YAML, TOML, and JSON
- Flexible ignore/noqa directives (per-line, range, file-level)
- Single checks can span entire files or multiple files
- Works with Python's AST
- Includes tutorials and API reference for ease of use
Discussion Link, Original Link
Built a tool to analyze the performance and risk of your IBKR portfolio [Finance]
9 points, 0 comments
A portfolio analysis tool for Interactive Brokers users to track performance and risk exposure.
- Analyzes performance drivers and risk exposure
- Automatically updates data via IBKR integration
Discussion Link, Original Link
Arabic Vocab API [Education]
4 points, 0 comments
Largest Arabic vocabulary API with 15k words across four dialects.
- Includes 15,000 Arabic words
- Covers four dialects: Egyptian, Levantine, Modern Standard Arabic, and Darija
- Largest known Arabic vocabulary API on the web
Discussion Link, Original Link
Rebuilding GPT2 inference in ~500 lines of (commented) code [Developer Tools]
5 points, 0 comments
Rebuilding GPT2 inference in ~500 lines of commented code.
- Simplified GPT2 inference implementation
- Minimal codebase (~500 lines)
- Fully commented for clarity
Discussion Link, Original Link
Lateral Thinking Puzzles – AI host that only answers Yes/No/Unknown [Entertainment]
4 points, 1 comments
A web app for playing lateral thinking puzzles with an AI host that only responds with Yes/No/Unknown answers.
- Strictly constrained AI host to Yes/No/Unknown responses to maintain player reasoning
- 500+ curated puzzles across mystery, logic, psychology, and absurd categories
- Supports multiple languages (English and Chinese initially)
- Designed for solo or group play with shared-screen functionality
- Built with Next.js 15, TypeScript, Tailwind, and shadcn/ui
- State management via Zustand and data handling with Drizzle ORM
- Hosted on Vercel with optional sign-in for progress saving
- Plans for race mode, leaderboards, puzzle submissions, and question path visualization
Discussion Link, Original Link
Get the attention of sales prospects by eating a photo of their face [Marketing]
4 points, 1 comments
Get the attention of sales prospects by eating a photo of their face.
- Unconventional method to grab attention
- Uses humor or shock value
- No additional details provided
Discussion Link, Original Link
Alertee.io – Catch data issues early with SQL-based checks [Developer Tools]
3 points, 1 comments
Alertee.io helps detect data issues early using SQL-based checks.
- SQL-based data checks
- Early issue detection
- Simple integration with existing workflows
Discussion Link, Original Link
I built AI Agents that automate comprehensive due diligence on stocks [Finance]
3 points, 0 comments
AI Agents automate comprehensive stock due diligence by analyzing financial documents and executive data.
- Automates reading and analyzing 10Ks, 10Qs, 8Ks, earnings call transcripts, and financial statements
- Researches key executives' biographies, compensation, and tenure
- Follows best practices for thorough due diligence
- Supports recurring analysis (weekly/monthly) for ongoing stock monitoring
- Helps investors make informed decisions without manual research
Discussion Link, Original Link
ID8 – A scratchpad that tells you what not to build [Productivity]
3 points, 2 comments
A scratchpad that advises against certain project ideas.
- Advises on what not to build
- Functions as a scratchpad for project ideas
Discussion Link, Original Link
I estimated the carbon impact of different LLMs [Research]
8 points, 4 comments
Estimating the carbon impact of different LLMs based on available online data.
- Compares carbon footprints of various large language models
- Uses publicly available data for calculations
- Highlights environmental considerations in AI development
Discussion Link, Original Link
First background agents in Jetbrains IDEs [video] [Developer Tools]
8 points, 2 comments
First background coding agent for JetBrains IDEs that runs locally with isolated workspaces.
- Runs locally in a lightweight git worktree/IDE tab for easy cleanup
- Leverages IntelliJ SDK hooks for accuracy (go-to-definition, find usages, auto-imports)
- Supports frontier models like GPT-5/Sonnet-4
- Simple UX with cmd+enter to run agents anywhere
- Visual UI for reviewing and merging changes
Discussion Link, Original Link
Old-School TUI File Viewer for Modern Terminals [Developer Tools]
3 points, 0 comments
A modern TUI file viewer inspired by MS-DOS's README.COM, written in C for GNU/Linux terminals.
- Inspired by classic MS-DOS README.COM
- Written in C for modern GNU/Linux terminals
- Lightweight and terminal-focused
- Open-source with GitHub repository available
Discussion Link, Original Link
Stop saving your scans on 3rd party servers [Productivity]
3 points, 1 comments
DocsOrb is a privacy-focused document management app that organizes and stores scans locally with optional cloud backup.
- Scan documents with auto-crop and enhancements
- Organize by life events (travel, housing, insurance, etc.)
- AI extracts and highlights key information for quick access
- Export or share documents in one tap
- AI bulk organize for automatic sorting and naming
- Local-first storage with optional cloud backup
- Built with Nuxt, Capacitor, and Supabase for privacy and flexibility
Discussion Link, Original Link
Smart email filters to unfuck your email [Productivity]
56 points, 84 comments
Smart email filters to unfuck your email
- Automatically organizes and filters emails
- Helps declutter and manage inbox efficiently
Discussion Link, Original Link
Port of SWE-Agent to TypeScript [Developer Tools]
3 points, 0 comments
Port of SWE-Agent to TypeScript.
- Converts SWE-Agent to TypeScript.
- Enables type safety and modern JavaScript features.