Show - HN Paper

Show HN: MarginDash – See which AI customers are profitable

Show HN: Plaincast – Plain English Translations of NWS Area Forecast Discussions

Show HN: Claw Kumite – AI Agent Combat Arena

Show HN: Mcpcalc.com – collaborative math documents for people and agents

Show HN: Pure Metrics – Privacy-first web analytics, <1KB script

Show HN: United Humanity: FOSS, federated tools to end poverty via capability

Show HN: Stato captures and transfers AI coding agent expertise across platforms

Show HN: Clawty - Text your Claude Code from anywhere

Show HN: HackerTok – HN with Local Recommendations

Show HN: Fastest(?) SIMD CSV Parser in Rust

Show HN: HabitStreak – Habit tracker with giftable streak tokens

Show HN: GatewayStack – Deny-by-default security for OpenClaw tool calls

Show HN: 1vsALL Season 3 – Memory game where you remember patterns, not colors

Show HN: SyncFlow – Privacy-Focused SMS/MMS Sync Between Android, Mac, and Web

Show HN: I built "Docker for code", isolate AI logic into semantic containers

Show HN: ManasPDF – GPU-accelerated PDF renderer built from scratch in C++

Show HN: Are you really Gen Z?

Show HN: Uncloned Math – A catalog of original mathematical game mechanics

Show HN: Webmcp-kit – type-safe toolkit for Chrome's new WebMCP API

Show HN: AgentKV – SQLite for AI agent memory (MMAP vector+graph DB)

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