Show HN Daily Selection (2025-07-04)

• HomeBrew HN – Generate personal context for content ranking
• Claude Code History Viewer for macOS
• Mochia, a virtual pet browser game, built with Rust, SolidJS, Postgres
• Recivo – Receive Emails Programmatically
• SteadyText: Deterministic LLMs: Same input → same output, every time
• Peer. – The First Subscription-Based Social Network
• I made a Chrome extension to export web element to code
• San Francisco Events Map
• I made a social media platform
• I created a privacy respecting ad blocker for apps

HomeBrew HN – Generate personal context for content ranking [Productivity]

105 points, 41 comments

HomeBrew HN generates a personalized Hacker News feed by analyzing user ratings on 30 posts.

• Creates a permanent ranked homepage based on user preferences
• Tests minimal personal context needed for LLM personalization
• Explores data requirements and user effort for effective customization
• Designed as a lightweight tool for HN readers

Discussion Link, Original Link

Claude Code History Viewer for macOS [Developer Tools]

3 points, 1 comments

A macOS desktop app for visualizing and reviewing Claude Code conversation history with enhanced analytics and local privacy.

• Visualizes Claude Code conversation history from JSONL logs in a user-friendly interface
• Displays richer data than terminals, including tree structures, code diffs, and tool usage results
• Provides token usage statistics by project/session and daily consumption metrics
• Supports automatic or manual folder detection for .claude logs
• Operates fully locally with no external data transmission
• Easy installation via DMG file with no registration required
• Open-source (MIT license) and currently in beta for community feedback

Discussion Link, Original Link

Mochia, a virtual pet browser game, built with Rust, SolidJS, Postgres [Entertainment]

7 points, 2 comments

A free-to-play virtual pet browser game built with Rust and SolidJS, featuring multiplayer exploration, minigames, and a dynamic economy.

• Backend runs on a single $5/month VPS with Rust (axum, sqlx, tokio) and Postgres
• Lean frontend with SolidJS, 500+ SVG assets, and WebGL-powered minigames
• Multiplayer world with 80+ locations, pet customization, and social features
• Dynamic economy with player-run shops, auctions, stock market, and jobs
• Minigames with leaderboards, puzzles, fishing, gardening, and random events
• No ads or tracking, fully mobile-responsive, and preloaded SPA for instant navigation
• Custom binary WebSocket protocol, TypeScript bindings, and O(1) reward selection
• Pet training, turn-based battles, guilds, NPC quests, and luck-based rewards

Discussion Link, Original Link

Recivo – Receive Emails Programmatically [Developer Tools]

16 points, 0 comments

Recivo is a service that enables programmatic email reception via API, allowing users to create email addresses for retrieving emails and attachments through REST endpoints and webhooks.

• Creates unique email addresses for receiving emails programmatically
• Provides a REST /inbox endpoint to fetch email data (subject, content, sender, attachments)
• Supports webhook notifications for new emails
• Useful for AI agent workflows and document uploads via email forwarding
• Offers instant demo access with a randomly generated email and cURL command
• Permanent email addresses require login for non-randomized options

Discussion Link, Original Link

SteadyText: Deterministic LLMs: Same input → same output, every time [Developer Tools]

4 points, 0 comments

SteadyText is a Python library for deterministic LLM generations and embeddings, ensuring same input always produces same output.

• Enables flaky-free AI testing and reproducible outputs
• Supports CLI tools and documentation examples
• Includes a Postgres extension for deterministic SQL queries
• Uses greedy decoding and 8-bit quantization for consistency
• Simple installation via uv tool

Discussion Link, Original Link

Peer. – The First Subscription-Based Social Network [Consumer Tech]

3 points, 4 comments

A subscription-based social network funded by users, not advertisers, offering ad-free, private, and user-controlled social media.

• No ads or algorithmic manipulation
• $2/month subscription model
• User-controlled feed and data privacy
• Focus on authentic social networking
• Currently live and open for feedback

Discussion Link, Original Link

I made a Chrome extension to export web element to code [Design]

4 points, 1 comments

CopyUI is a Chrome extension that exports web elements to HTML/JSX and CSS/Tailwind code for design inspiration and reuse.

• Copies UI elements from websites
• Exports to HTML, JSX, CSS, or Tailwind
• Helps users learn from existing designs for better layouts
• Aims to inspire innovation rather than simple replication

Discussion Link, Original Link

San Francisco Events Map [Entertainment]

5 points, 3 comments

San Francisco Events Map aggregates events from multiple platforms.

• Aggregates events from Luma, Meetup, Eventbrite, and Ticketmaster
• Focuses on San Francisco events
• Simplifies event discovery across platforms

Discussion Link, Original Link

I made a social media platform [Entertainment]

3 points, 1 comments

Social media platform with user interaction features.

• User profiles and connections
• Content sharing and engagement tools
• Community-driven interactions

Discussion Link, Original Link

I created a privacy respecting ad blocker for apps [Consumer Tech]

3 points, 0 comments

A privacy-focused ad blocker for apps that works locally on iOS, iPadOS, and macOS devices.

• Blocks ads directly in apps, not just browsers
• Uses a fast, efficient Swift-NIO-based architecture
• Zero data collection or logging policy
• Functions as a local VPN proxy for filtering traffic
• Works across news, social media, games, and browsers
• Available on the App Store with a 30-day free trial

Discussion Link, Original Link