Show HN Daily Selection (2025-06-29)
- Vet – A tool for safely running remote shell scripts
- Anti-Cluely – Detect virtual devices and cheating tools on exam systems
- Query your Rust codebase and generate types for anything
- Open-Source outcome- / usage-based billing engine for AI Agents
- eKilo – Super lightweight terminal text editor based
- Hijacking Wi-Fi Direct for Seamless Wi-Fi Onboarding on Raspberry Pi
- I made a 2D game engine in Dart
- Reactylon – Open-source framework for building 3D/XR apps with React
- Pobshell – A Bash‑like shell for live Python objects
- A self-hosting compiler from WHILE to WebAssembly
- I open-sourced a $1M engine for closing loops in embedding space
- Samarium – open-source business management tool for developers
- FOHO – Safer rentals for foreigners in Korea with escrow and AI
- AIOps MCP – Log anomaly detection using Isolation Forest
- Self-host your data anonymization pipeline
Vet – A tool for safely running remote shell scripts [Developer Tools]
36 points, 8 comments
A tool for safely running remote shell scripts.
- Safely executes remote shell scripts
- Designed for secure remote operations
Discussion Link, Original Link
Anti-Cluely – Detect virtual devices and cheating tools on exam systems [Education]
4 points, 0 comments
Anti-Cluely detects virtual environments and cheating tools used in online exams.
- Lightweight tool for exam integrity
- Identifies virtual environments and emulators
- Detects system manipulation tools
- Prevents cheating in online exams
Discussion Link, Original Link
Query your Rust codebase and generate types for anything [Developer Tools]
5 points, 0 comments
RTK (Rust Type Kit) enables querying Rust codebases and generating rich type information for cross-language bindings or linting via Lua scripts.
- Queries Rust code for methods, functions, and attributes
- Generates detailed type info (arguments, paths, macros)
- Outputs to any language or re-emits Rust code
- Supports custom Lua scripts for flexible processing
- Can be used for FFI, bindings, or linting purposes
Discussion Link, Original Link
Open-Source outcome- / usage-based billing engine for AI Agents [Developer Tools]
5 points, 0 comments
Open-source billing engine for AI Agents based on outcomes and usage.
- Open-source solution
- Outcome-based billing
- Usage-based billing
- Designed for AI Agents
Discussion Link, Original Link
eKilo – Super lightweight terminal text editor based [Developer Tools]
4 points, 0 comments
Super lightweight terminal text editor based.
- Minimalist design
- Terminal-based interface
- Lightweight and fast
Discussion Link, Original Link
Hijacking Wi-Fi Direct for Seamless Wi-Fi Onboarding on Raspberry Pi [Consumer Tech]
4 points, 0 comments
Seamless Wi-Fi onboarding on Raspberry Pi using Wi-Fi Direct hijacking.
- Uses Wi-Fi Direct for easy device connection
- Specifically designed for Raspberry Pi
- Simplifies the Wi-Fi setup process
Discussion Link, Original Link
I made a 2D game engine in Dart [Developer Tools]
4 points, 0 comments
2D game engine built using Dart.
- Developed in Dart programming language
- Focused on 2D game development
- Showcased on Hacker News for community feedback
Discussion Link, Original Link
Reactylon – Open-source framework for building 3D/XR apps with React [Developer Tools]
7 points, 0 comments
Open-source framework for building 3D/XR apps with React.
- Uses React for 3D and XR development
- Open-source and freely available
- Simplifies creating immersive 3D/XR experiences
Discussion Link, Original Link
Pobshell – A Bash‑like shell for live Python objects [Developer Tools]
4 points, 1 comments
Pobshell is a Bash-like shell for inspecting and navigating Python objects in real-time.
- Enables exploratory debugging by inspecting live object states
- Helps understand APIs by examining code, docstrings, and class hierarchies
- Integrates with CLI tools for piping object states or code snippets
- Supports recursive search for object states or source code without file paths
- Functions as a dynamic REPL for runtime environment exploration
- Useful for teaching and demos by visualizing Python internals
- Works with familiar shell commands and optional advanced features
- Open-source, cross-platform (MacOS, Linux, Windows), and Python 3.12 compatible
Discussion Link, Original Link
A self-hosting compiler from WHILE to WebAssembly [Developer Tools]
6 points, 0 comments
A self-hosting compiler that translates WHILE language code to WebAssembly.
- Self-hosting compiler
- Translates WHILE language to WebAssembly
- Enables running WHILE programs in browsers via WASM
Discussion Link, Original Link
I open-sourced a $1M engine for closing loops in embedding space [Developer Tools]
8 points, 4 comments
WFGY is an open-source semantic reasoning framework for LLMs that enables self-consistent reasoning in embedding space.
- Solves fragmented logic and lack of self-calibration in LLMs
- Operates within embedding space for self-closing semantic loops
- Uses semantic energy control (∆S / λS field quantifiers)
- Supports modular plug-in logic units (BBMC/BBPF/BBCR)
- Enables reasoning fork & recomposition for multiple perspectives
- Works purely via prompts—no model hacking or training required
- Allows LLMs to self-diagnose inconsistencies and maintain state
- MIT licensed, no sign-up or tracking required
Discussion Link, Original Link
Samarium – open-source business management tool for developers [Business]
3 points, 0 comments
Open-source business management tool for small businesses with basic operational features.
- Handles invoicing, inventory, and customer management in one place
- Designed for simplicity and affordability compared to enterprise solutions
- Started as a learning project but now useful for basic business needs
- Still in active development with ongoing feature refinements
Discussion Link, Original Link
FOHO – Safer rentals for foreigners in Korea with escrow and AI [Business]
6 points, 1 comments
FOHO is a housing platform that helps foreigners safely rent in Korea using AI-matching, escrow, and multilingual support.
- AI-matching based on visa type, lifestyle, and move-in dates
- Verified listings with optional escrow rent protection
- Auto-translated lease terms with cultural/legal context
- Post-move-in care (rent alerts, utility help, multilingual support)
- Landlord tools for rent reminders, issue ticketing, and higher yield
- 1,500+ monthly users and 1,000+ listings
- Partnerships with local institutions and preparing expansion to Boston
- Built with Next.js, MongoDB, LangChain, and Claude/GPT for translation
Discussion Link, Original Link
AIOps MCP – Log anomaly detection using Isolation Forest [Developer Tools]
5 points, 0 comments
Open-source AIOps MCP for real-time log anomaly detection using Isolation Forest.
- Detects anomalies in logs from agents, apps, or collectors
- Parses and extracts features to identify unusual patterns
- Sends alerts to Slack, Webhooks, or PagerDuty
- Lightweight and easy to deploy with Kubernetes & Helm
- Designed to integrate with existing observability stacks
- FastAPI-based for local testing or Helm deployment
- Open-source and welcomes contributions
Discussion Link, Original Link
Self-host your data anonymization pipeline [Developer Tools]
5 points, 2 comments
Self-hosted data anonymization pipeline for PII/PHI handling.
- Built due to limitations of existing tools like Presidio
- Focuses on anonymizing sensitive data (PII/PHI)
- Self-hosted solution for better control
- Open to user feedback for improvements