Show HN Daily Selection (2025-05-01)
- Create your own finetuned AI model using Google Sheets
- ART – a new open-source RL framework for training agents
- Kexa.io – Open-Source IT Security and Compliance Verification
- Keyboard Minesweeper – Speedrun the Classic, No Mouse Needed
- I built a fun AI tour guide into Google Street View
- Jarvis-AI, an AI Agents network that kills admin work in big corporate
- The $300K DevinAI Secret is Now Open Source
- Aisir – AI models deliberate and critique each other like a council
- Web Tool to Create a Universal Database MCP Server
- Prettier Email Headers
- Open-source sound effects and react library to spice up your website
- Daily Digest of the Least Popular Posts on Hacker News
- CodeClarity – an open source source code analysis platform
- I Open Sourced Deepwiki
- Tariff Calculator for Amazon
- Generate discord timestamp that converts to each user's local timezone
Create your own finetuned AI model using Google Sheets [Developer Tools]
73 points, 31 comments
Promptrepo enables non-technical teams to create finetuned AI models using Google Sheets and deploy them instantly.
- Add training examples in Google Sheets
- One-click training process
- Instant deployment and testing
- Supports OpenAI, Claude, Gemini, and Llama models
- Designed for product managers and domain experts
Discussion Link, Original Link
ART – a new open-source RL framework for training agents [Developer Tools]
65 points, 8 comments
ART is an open-source reinforcement learning framework designed for training high-quality agents efficiently.
- Supports multi-turn workflows for sequential task execution
- Optimized GPU efficiency, reducing hardware requirements
- Integrates seamlessly with existing agentic codebases via standard APIs
- Includes practical demos and lessons learned for real-world applications
Discussion Link, Original Link
Kexa.io – Open-Source IT Security and Compliance Verification [Developer Tools]
61 points, 13 comments
Kexa.io is an open-source tool for automating IT security and compliance verification, with plans for an AI-powered SaaS offering.
- Open-source tool for verifying IT security and compliance
- Supports diverse assets like servers, Kubernetes, and cloud resources
- Allows custom rule definitions or use of common standards (e.g., CIS benchmarks)
- Upcoming SaaS version with AI-powered security administration for cloud environments (AWS, GCP, Azure)
- Proactive recommendations and potential automated remediation for cloud security
- Beta release planned for June 2025
Keyboard Minesweeper – Speedrun the Classic, No Mouse Needed [Entertainment]
4 points, 0 comments
Keyboard Minesweeper is a mouse-free, keyboard-optimized version of the classic game designed for speedrunning and fast-paced puzzle solving.
- Keyboard-only controls for faster gameplay
- Designed for speedrunners and efficiency-focused players
- Leaderboard with best times (e.g., 5.41s on small, 46.51s on medium)
- Minimalist, distraction-free interface
Discussion Link, Original Link
I built a fun AI tour guide into Google Street View [Travel]
7 points, 4 comments
An AI-powered tour guide integrated with Google Street View that provides rich cultural and historical insights about locations.
- Offers real-time educational content about architecture, history, and local life
- Reverse Geoguessr-style experience with AI-generated explanations
- Curated categories for deeper exploration
- Live radio streams from the country for immersive experiences
- Requires login for real-time functionality due to API costs
- Best used on desktop (not optimized for mobile)
- LLM-driven search (works magically when accurate)
Discussion Link, Original Link
Jarvis-AI, an AI Agents network that kills admin work in big corporate [Productivity]
5 points, 0 comments
A network of AI agents designed to automate administrative tasks for large organizations.
- Schedule, move, or cancel meetings via Google Calendar or locally
- Dynamically adapt meetings based on stakeholder availability
- Summarize incoming emails via Gmail
- Create project plans with stakeholders, timelines, and cost estimates
- Plan, assign, and view tasks
- Operate via audio commands
- Enable inter-agent communication for context-aware collaboration
Discussion Link, Original Link
The $300K DevinAI Secret is Now Open Source [Developer Tools]
3 points, 2 comments
Open-source alternative to DevinAI's DeepWiki that generates AI-powered documentation, diagrams, and code explanations from GitHub repos.
- AI-generated documentation (supports GPT, Gemini, and local models)
- Visual diagrams using Mermaid.js
- Codebase Q&A with RAG-powered AI
- Works with private repos and runs entirely on your machine
- No cloud lock-in or paywalls
Discussion Link, Original Link
Aisir – AI models deliberate and critique each other like a council [Developer Tools]
3 points, 1 comments
AI models deliberate and critique each other like a council.
- AI models engage in mutual critique
- Designed to function as a collaborative council
- Enhances decision-making through deliberation
Discussion Link, Original Link
Web Tool to Create a Universal Database MCP Server [Developer Tools]
6 points, 4 comments
A web tool for creating a universal Database MCP server to connect and query various databases effortlessly.
- Connects databases like PostgreSQL, MSSQL, ClickHouse, and Elasticsearch with a few clicks
- Enables instant querying of large Parquet files using DuckDB in-memory mode
- No downloads or complex setup required
- Built on an open-source MCP Database Gateway
- Supports privacy-conscious use for development or public dataset analysis
Discussion Link, Original Link
Prettier Email Headers [Developer Tools]
9 points, 0 comments
A tool to prettify and parse email headers for easier troubleshooting and readability.
- Formats raw email headers into a more readable layout
- Provides definitions for common email headers
- Uses ChatGPT for header definitions with manual editing
- Helps with tracking conversations, spam detection, and email handling issues
- Designed for developers and teams working with email systems
Discussion Link, Original Link
Open-source sound effects and react library to spice up your website [Audio]
3 points, 1 comments
Open-source React library with ~70 MIT-licensed sound effects for web projects.
- Includes ~70 ready-to-use sound effects
- Easy integration with React projects
- Sound effects can be used independently without React
- Open to adding more sound effects based on requests
Discussion Link, Original Link
Daily Digest of the Least Popular Posts on Hacker News [Productivity]
3 points, 1 comments
Daily Digest of the Least Popular Posts on Hacker News
- Curates overlooked or less popular Hacker News posts
- Provides a daily summary for discovery of hidden content
Discussion Link, Original Link
CodeClarity – an open source source code analysis platform [Developer Tools]
4 points, 0 comments
An open-source platform for analyzing JavaScript dependencies to enhance software security.
- Lists all installed dependencies
- Reviews software licenses
- Identifies vulnerable dependencies and risks
- Plans to support more languages in the future
- Includes a patching plugin for automatic dependency updates
- Open-source and community-driven
Discussion Link, Original Link
I Open Sourced Deepwiki [Developer Tools]
5 points, 0 comments
Open-sourced Deepwiki, a project with no additional details provided.
- Open-source availability
- No further features or details mentioned
Discussion Link, Original Link
Tariff Calculator for Amazon [E-commerce]
35 points, 3 comments
A browser extension that calculates Amazon product tariffs using Gemini Flash 2.0 for category determination.
- Uses AI (Gemini Flash 2.0) to identify product categories
- Matches categories with corresponding tariff rates
- Built quickly with Claude Code assistance
- Open-source (GitHub repository available)
Discussion Link, Original Link
Generate discord timestamp that converts to each user's local timezone [Productivity]
4 points, 0 comments
Discord timestamp generator that automatically adjusts to each user's local timezone.
- Supports 7 different timestamp formats
- Automatically converts time for each user's local timezone
- Useful for coordinating events across different time zones