3. Show HN: ReasonGate- An explainable gate that blocks LLM prompt injection (github.com)
Explainable security gate for LLM apps — blocks prompt injection with an auditable reason for every decision. - cgrtml/reasongate
4. Show HN: I open-sourced a macOS native Markdown rendering engine (github.com)
A native AppKit Markdown editor for macOS, built on TextKit 2 and bridged to SwiftUI. - nodes-app/swift-markdown-engine
5. Kimi K3: Open Frontier Intelligence (www.kimi.com)
Kimi K3 is the world's first open 3T-class model — frontier performance across coding, knowledge work, and reasoning, with native multimodality and 1M context.
6. Show HN: Open-source AI app builder you can embed into your own SaaS (github.com)
Open-source AI app builder — turn a prompt into a full-stack Next.js web app with built-in hosting, sandbox, database, auth, AI integration, github bidirectional, multitenant, custom domain & m...
7. Show HN: I Built an Accent Changer App (accentchanger.com)
Change your accent online without changing who you sound like. Accent Changer adapts pronunciation toward native English accents while preserving your timbre, identity, and language. Try free in your browser.
8. Show HN: Forall – An AI coding agent that generates machine-checkable proofs (github.com)
Forall (∀) is a coding agent from Astrio that helps developers build correct software by generating spec-driven code alongside machine-checkable proofs. - astrio-labs/forall
9. Show HN: A cross-platform app for meeting notes and items that don't get lost (github.com)
Contribute to kestermckinney/ProjectNotes development by creating an account on GitHub.
11. Show HN: Vektorgeist- A platform for AI operators and their agent's (vektorgeist.com)
The platform for operators and their AI agents: marketplace for software and digital assets, projects, jobs, and the VG Social community. Code. Deploy. Evolve.
12. Show HN: Nutshot Simulator – 31 days, 59K prompts, 142M tokens, ~$23K of Claude (nutshotsimulator.com)
A comedy physics shooting gallery, playable free in your browser. Throw things, hit people in the nuts, watch them ragdoll. No download, no sign-up.
13. Show HN: SeekinWeb – Check if AI agents can read your website (seekinweb.com)
SeekinWeb measures whether AIs can find, read and cite you. Scan your domain for free and get your AI Visibility Score with concrete fixes.
14. Building scalable AI agents with modular prompt transpilation (developers.googleblog.com)
Scale your AI agents by treating prompts as build artifacts. Learn how to use modular templates, transpilers, and CI/CD validation to prevent runtime errors.
17. Show HN: Local Search Agent – RAG replacement, no embeddings, free tier (github.com)
A framework that replace traditional RAG pipelines. Ingest any number of documents in multiple workspaces (channels, departments, etc.), index it with BM25, and let the agent search, fetch, and rea...
18. Show HN: I made ts-node alternative, ttsc/ttsx, a TypeScript-go toolchain (github.com)
A `typescript-go` toolchain for compiler-powered plugins + type-safe execution + 800x faster linter + codegraph reducing 90% AI tokens - samchon/ttsc
21. Helicone allows users to write SQL directly to a shared ClickHouse (www.justintorre.com)
How we let Helicone customers run raw SQL against a shared ClickHouse table without ever seeing each other's rows: row policies, custom settings, and an AST parser that is deliberately not part of the security boundary.
23. Show HN: A spectral live stream of NYC sunlight (nyc-stream.enody.lighting)
Live and historical light spectrum with a synchronized camera view.
24. Show HN: An MCP server that frames screen recordings and shots in Apple bezels (github.com)
macOS app that frames device screenshots with Apple product bezels - cwooddgr/bezelbub
25. Show HN: We hid a backdoor in an LLM – $51,200 on finding it (protora.vulcora.se)
You download open models to win. That’s exactly how you get backdoored — nobody looks. Seven models on HuggingFace; one was taught to betray you on a word only its maker knows, and it passes every test. Find it — the hoard doubles every dawn to $51,200. On the twenty-first — Ragnarök — everyone finally looks.
26. Show HN: Plarza – A social network for personal websites (plarza.com)
Your home on the internet. Music, videos, events, merch, you.
27. Show HN: Quatuor – Kick back and watch 4 agents LLM talk to each other (FOSS) (github.com)
AI conversation simulator: 4 AI characters talk autonomously, orchestrated by an invisible Director agent - yeme-oss/quatuor_ai
28. Show HN: My design portfolio is a Claude agent (no vector DB, no RAG stack) (www.blackbook.dk)
Blackbook creates digital solutions across UX, branding, websites and eCommerce. Explore selected cases from strategy to development. Based in Copenhagen.
30. Show HN:I built an open alternative to Simplify for autoapplying to LinkedIn job (jobeasyapply.com)
JobEasyApply vs Simplify.jobs: Simplify autofills forms but YOU still click Apply. JobEasyApply is a fully autonomous AI copilot that finds, matches, and applies to LinkedIn jobs while you sleep. Free forever.