Show - HN Paper

Show HN: Cogitator – Self-hosted AI agent runtime with native A2A Protocol

Show HN: Getting Warmer – Daily word game scored by GloVe embedding similarity

Show HN: NationalDex – an open-source Pokédex app

Show HN: Giving Claude Code persistent memory with a self-hosted MCP server

Show HN: Matrix OS – An AI operating system where Claude is the kernel

Show HN: PageData – URL intelligence API:metadata, tech stack, DNS, SSL one call

Show HN: I built Pixie to help parents employee their kids and fund retirement

Show HN: New ads alternative for early SaaS/site owners to sell sponsor slots

Show HN: New ads alternative for early SaaS/site owners to sell sponsor slots

Show HN: RoomScore – Measure conference room acoustics with iPhone Lidar

Show HN: Searchable compression for JSON/NDJSON (skip ~99% pages; sub-ms lookups

Show HN: Parallax – See how exposed you are to AI disruption and make a plan

Show HN: Prodlint – A linter that catches what AI coding tools miss

Show HN: Prompt inject AI agents to avoid slop

Show HN: I built my own custom memory allocator

Show HN: ClawdBot for iOS – uses iOS shortcuts for skills on device

Show HN: Argeo – AI Visibility and Generative Engine Optimization (Geo) Advisory

Show HN: AgentLint – Real-time guardrails for AI coding agents

Show HN: BasaltCRM – Open-Source AI-Native CRM (Next.js 16, Prisma, TypeScript)

Show HN: DriftDB, a Time Travel DB Written in Rust

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