Show HN Daily Selection (2025-07-06)

• Certimon – Free Telegram bot to monitor SSL certificate expiry
• An AI tool that lets you interact with your terminal in plain English
• MCP-123, a 2-line MCP server/client (Windows-friendly)
• ASCII Fireworks
• I Built a Local-First AI Chat App with Advanced RAG
• Dstpierre/tpl a tiny lib making Go's templates more tolerable
• We made a tool to reduce echo chambers on social media

Certimon – Free Telegram bot to monitor SSL certificate expiry [Developer Tools]

3 points, 0 comments

A free Telegram bot for monitoring SSL certificate expiry without requiring sign-ups or downloads.

• Monitors SSL certificate expiry via Telegram
• Simple commands like /check google.com and /remind google.com 30
• No sign-up or download required (works with existing Telegram)
• Supports unlimited domains
• Low operational cost (~£3/month on AWS)

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An AI tool that lets you interact with your terminal in plain English [Productivity]

3 points, 0 comments

AI tool for interacting with terminal using plain English commands.

• Converts natural language commands into terminal actions
• Simplifies terminal usage for non-technical users
• Enhances productivity by reducing need for memorizing commands

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MCP-123, a 2-line MCP server/client (Windows-friendly) [Developer Tools]

11 points, 1 comments

Simple MCP server/client for Windows with minimal setup.

• Minimal and easy-to-use MCP implementation
• No Docker or Mac-only dependencies required
• Auto-discovers and calls functions with OpenAI
• Works with a simple tools.py setup

Discussion Link, Original Link

ASCII Fireworks [Entertainment]

12 points, 0 comments

ASCII Fireworks

• Displays fireworks animations using ASCII characters
• No additional text or context provided

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I Built a Local-First AI Chat App with Advanced RAG [ChatBots]

5 points, 3 comments

A local-first AI chat app with advanced research capabilities and support for 15+ AI models, ensuring privacy and data isolation.

• Stores all chats locally in IndexedDB with zero server storage
• Supports 15+ AI models (Claude 4, Gemini 2.5 Pro, DeepSeek R1, etc.)
• API keys never leave the browser, ensuring privacy
• Features Deep Research, Pro Search, and AI Memory for advanced workflows
• Processes PDFs and extracts structured data (e.g., JSON)
• Open-source (Next.js 14, TypeScript, Turborepo) with self-hosting options
• Free hosted version with optional premium upgrades for advanced features

Discussion Link

Dstpierre/tpl a tiny lib making Go's templates more tolerable [Developer Tools]

3 points, 0 comments

A simple helper package to improve Go HTML templates with translations, i18n, and opinionated structure.

• Adds translations and i18n support
• Provides common data structures like CurrentUser, Locale, and Alert
• Includes Django-inspired template functions (map, intcomma, naturaltime)
• Simplifies parsing and layout management for Go HTML templates
• Tested in production and now released as v1

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We made a tool to reduce echo chambers on social media [Consumer Tech]

3 points, 0 comments

A tool designed to reduce echo chambers on social media by diversifying content recommendations through psychological theory-based regulation.

• Uses an "allostatic regulator" to nudge users away from extreme algorithmic reinforcement
• Works as a code wrapper compatible with existing recommender systems
• Demonstrated effectiveness in simulated environments, aiming for real-world deployment
• Targets platforms like Google and Meta for improved user mental health and ecosystem benefits
• Open to collaboration with researchers and engineers for live testing

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