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Show HN: Z3r0 – Multi-agent red team collaboration platform

Show HN: DaysLeft – a bio-age clock that shows a range, not a death date

Show HN: Durable, asynchronous LLM workflow engine in Rust

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Show HN: Web tools an AI agent pays for per call in USDC, no API key (x402+MCP)

Show HN: I recreated AOL Instant Messenger in the browser

Show HN: Mach – A compiled systems language looking for contributions

Show HN: Ustps (UDP Speedy Transmission Protocol Secure) and USSH

Show HN: Sudo Report – Drudge closne for AI/tech/product

Show HN: Command Center, the AI coding env for people who care about quality

Show HN: macOS Apps on Linux: SwiftUI for Linux (and AppKit, NSFoundation, etc.)

Show HN: RunAPI – one API for AI video, image, music, audio, and LLMs

Show HN: Generate production grade Lottie animations with Claude Code

Show HN: AnimateScrollTriggered:Animate.css with CSS scroll-triggered animations

Show HN: I Built an LLM Engine, That Test LLM on Boolean Logic

Show HN: Guarden – Authorization for AI agent actions powered by OPA

Show HN: AST-guard – Fast, zero-cost structural checks for LLM code execution

Show HN: HTTP/3 and raw QUIC client/server APIs for Node.js

Show HN: Stop returning raw JSON from MCP servers, build rich inline UIs

Show HN: AI pair programmer for Emacs

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