Show HN Daily Selection (2025-03-26)
- New Agentic AI Framework in CNCF
- gRPC Gateway Alternative with Streaming and OpenAPI 3
- I made a fetch client builder to make API calls simpler and safer
- I built a chatbot that lets you talk to any GitHub repository
- Matrix-themed Nostr note composer
- Vibe HTTP – AI generated HTTP responses
- Pulse – Livestream audio with 1-click
- We built a native macOS screen recorder focused on speed and quality
- BlinkAlarm - Prevent eyestrain, dryness with real-time computer vision!
New Agentic AI Framework in CNCF [Developer Tools]
5 points, 0 comments
Dapr Agents is a lightweight, Kubernetes-native AI framework with durable execution for reliable agentic workflows.
- Provides agentic AI features with built-in durable execution
- Guarantees statefulness and reliable workflows with retry mechanisms
- Runs natively on Kubernetes with OTEL integration
- Lightweight architecture scales to zero, supporting thousands of agents on commodity hardware
Discussion Link, Original Link
gRPC Gateway Alternative with Streaming and OpenAPI 3 [Developer Tools]
3 points, 1 comments
gRPC Gateway alternative supporting streaming and OpenAPI 3.
- Supports gRPC streaming
- Compatible with OpenAPI 3
- Alternative to traditional gRPC Gateway
Discussion Link, Original Link
I made a fetch client builder to make API calls simpler and safer [Developer Tools]
5 points, 0 comments
A lightweight fetch client builder that simplifies and secures API calls while maintaining the familiar fetch API.
- Throws errors for better integration with libraries like TanStack Query
- Adds sensible defaults (base URL, auth headers) to Fetch API
- Validates responses for type safety without OpenAPI
- Minimal footprint (1.6kb gzipped) with flexible customization
- Supports retries, timeouts, streaming, progress tracking, and lifecycle hooks
- Maintains fetch-like API for easy adoption
Discussion Link, Original Link
I built a chatbot that lets you talk to any GitHub repository [ChatBots]
20 points, 10 comments
Chatbot that allows users to interact with any GitHub repository.
- Enables conversation with GitHub repositories
- Uses natural language processing
- Supports any public repository
Discussion Link, Original Link
Matrix-themed Nostr note composer [Text]
9 points, 2 comments
Matrix-themed Nostr note composer.
- Matrix-themed design
- Nostr note composition functionality
Discussion Link, Original Link
Vibe HTTP – AI generated HTTP responses [Developer Tools]
7 points, 0 comments
A server that serves AI-generated HTTP responses dynamically for any subdomain or path.
- Generates unique AI responses for any URL path or subdomain
- Hosted at vibehttp.com with flexible subdomain and path support
- Built to avoid high OpenAI API costs by linking to GitHub
- Inspired by running GPT-4o in a try/catch handler
Discussion Link, Original Link
Pulse – Livestream audio with 1-click [Audio]
4 points, 3 comments
Pulse is a 1-click livestream audio platform with sound-reactive visualizations and chat for shared listening experiences.
- Livestream audio from browser tabs (future support for BUTT upload)
- Customizable website colors, animations, and styles
- Interactive chat with GIF support via 7tv.app links
- Designed for shared music listening to replace algorithmic playlists
Discussion Link, Original Link
We built a native macOS screen recorder focused on speed and quality [Video]
7 points, 6 comments
Fast, high-quality native macOS screen recorder with real-time compositing and instant sharing.
- Fully native Swift app for macOS
- Records camera, screen, and audio separately
- Real-time compositing of layouts during recording
- Quick shareable URL generation
- Post-recording layout adjustments
- Optimized for speed and quality
- Online/offline rendering capabilities
- Built for future innovation
Discussion Link, Original Link
BlinkAlarm - Prevent eyestrain, dryness with real-time computer vision! [Health]
3 points, 0 comments
BlinkAlarm uses real-time computer vision to alert users when they blink too infrequently, helping prevent eye strain and dryness.
- Detects blinks via facial landmarks from webcam feed
- Configurable alert threshold for blink frequency
- Corrects for head tilt to improve accuracy
- Runs efficiently in real-time on modern hardware
- Designed for prolonged computer use to maintain healthy blinking habits