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Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
246•isitcontent•17h ago•27 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
349•vecti•19h ago•156 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
313•eljojo•20h ago•194 comments

Show HN: Kappal – CLI to Run Docker Compose YML on Kubernetes for Local Dev

https://github.com/sandys/kappal
5•sandGorgon•2d ago•2 comments

Show HN: MCP App to play backgammon with your LLM

https://github.com/sam-mfb/backgammon-mcp
2•sam256•1h ago•1 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
77•phreda4•16h ago•14 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
93•antves•1d ago•70 comments

Show HN: I'm 75, building an OSS Virtual Protest Protocol for digital activism

https://github.com/voice-of-japan/Virtual-Protest-Protocol/blob/main/README.md
5•sakanakana00•2h ago•1 comments

Show HN: I built Divvy to split restaurant bills from a photo

https://divvyai.app/
3•pieterdy•2h ago•0 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
17•denuoweb•2d ago•2 comments

Show HN: BioTradingArena – Benchmark for LLMs to predict biotech stock movements

https://www.biotradingarena.com/hn
26•dchu17•21h ago•12 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
49•nwparker•1d ago•11 comments

Show HN: Artifact Keeper – Open-Source Artifactory/Nexus Alternative in Rust

https://github.com/artifact-keeper
152•bsgeraci•1d ago•64 comments

Show HN: I Hacked My Family's Meal Planning with an App

https://mealjar.app
2•melvinzammit•4h ago•0 comments

Show HN: I built a free UCP checker – see if AI agents can find your store

https://ucphub.ai/ucp-store-check/
2•vladeta•5h ago•2 comments

Show HN: Gigacode – Use OpenCode's UI with Claude Code/Codex/Amp

https://github.com/rivet-dev/sandbox-agent/tree/main/gigacode
19•NathanFlurry•1d ago•9 comments

Show HN: Compile-Time Vibe Coding

https://github.com/Michael-JB/vibecode
10•michaelchicory•6h ago•1 comments

Show HN: Slop News – HN front page now, but it's all slop

https://dosaygo-studio.github.io/hn-front-page-2035/slop-news
15•keepamovin•7h ago•5 comments

Show HN: Daily-updated database of malicious browser extensions

https://github.com/toborrm9/malicious_extension_sentry
14•toborrm9•22h ago•7 comments

Show HN: Micropolis/SimCity Clone in Emacs Lisp

https://github.com/vkazanov/elcity
172•vkazanov•2d ago•49 comments

Show HN: Horizons – OSS agent execution engine

https://github.com/synth-laboratories/Horizons
23•JoshPurtell•1d ago•5 comments

Show HN: Falcon's Eye (isometric NetHack) running in the browser via WebAssembly

https://rahuljaguste.github.io/Nethack_Falcons_Eye/
5•rahuljaguste•16h ago•1 comments

Show HN: Fitspire – a simple 5-minute workout app for busy people (iOS)

https://apps.apple.com/us/app/fitspire-5-minute-workout/id6758784938
2•devavinoth12•10h ago•0 comments

Show HN: Local task classifier and dispatcher on RTX 3080

https://github.com/resilientworkflowsentinel/resilient-workflow-sentinel
25•Shubham_Amb•1d ago•2 comments

Show HN: I built a RAG engine to search Singaporean laws

https://github.com/adityaprasad-sudo/Explore-Singapore
4•ambitious_potat•10h ago•4 comments

Show HN: Sem – Semantic diffs and patches for Git

https://ataraxy-labs.github.io/sem/
2•rs545837•11h ago•1 comments

Show HN: A password system with no database, no sync, and nothing to breach

https://bastion-enclave.vercel.app
12•KevinChasse•22h ago•16 comments

Show HN: GitClaw – An AI assistant that runs in GitHub Actions

https://github.com/SawyerHood/gitclaw
10•sawyerjhood•22h ago•0 comments

Show HN: FastLog: 1.4 GB/s text file analyzer with AVX2 SIMD

https://github.com/AGDNoob/FastLog
5•AGDNoob•13h ago•1 comments

Show HN: Gohpts tproxy with arp spoofing and sniffing got a new update

https://github.com/shadowy-pycoder/go-http-proxy-to-socks
2•shadowy-pycoder•14h ago•0 comments
Open in hackernews

Show HN: CoThou – Control what AI search engines say about your business

https://cothou.com/
3•MartyD•2mo ago
I built CoThou after seeing search and AI answer engines give completely incorrect information about my company. Turns out, they prioritize structured, citable content, so I reverse-engineered how they choose sources and built CoThou to become the source of truth.

How it works For businesses: Create a company profile. When search and AI answer engines are asked about your company, they’ll cite your company profile and its content, not Wikipedia or outdated info.

For publishers and knowledge workers: Publish at your personal profile with proper citations (300M+ academic papers indexed). When someone asks search and AI answer engines about your topic, it will cite your work linking to your profile and allowing citation tracking.

Try it now (unlimited during beta): → https://cothou.com

It’s v0.01 and rough around the edges. Try it and let me know what breaks.

What’s next: Currently training a custom 32B MoE (Mixture of Experts) LLM with 3B active parameters scheduled to go live in Q1/2026. The key difference: it breaks down complex queries into parallel subtasks that execute live on an infinite canvas. You’ll see agents plan and build in real time, instead of waiting for a progress bar.

Examples: “Write a 300-page book on the history of computing” “Create a 60-second TikTok ad for my SaaS”

It handles research, outlines, storyboarding, asset generation, voice-overs, and music simultaneously.

Since only ~3B parameters are active per token, it runs 8–10× cheaper and faster than dense 32B models, while still matching or outperforming premium models on reasoning, coding, and long-context tasks.

Building through partnerships with NVIDIA Inception and Microsoft for Startups.

Would love HN feedback on: - Improving citation accuracy - Building trust with AI parsers - What sources to add next (currently 100M companies + 300M academic papers) - Anything else

Marty (Founder)

Comments

landgenoot•2mo ago
I'm worried some bad actors are reverse engineering this as well.
MartyD•2mo ago
You're absolutely right to be concerned, this is something I think about constantly.

The reality is: bad actors don't need to reverse-engineer anything. AI engines already prioritize structured, citable content. Anyone can spin up a website with schema.org markup and fake citations. The barrier is low.

What makes this hard to abuse at scale:

1. Domain verification – For businesses, we require proof of domain ownership. You can't claim to be Apple unless you control apple.com or an official subdomain or work at apple respectively having @apple.com business mail.

2. Citation requirements – Claims need links to primary sources. AI engines cross-reference. If your "citations" point to non-existent papers or contradict other sources, you lose authority fast.

3. Reputation signals – We're building verification badges (ORCID for researchers, business registries, etc.). Over time, verified profiles will rank higher.

But you've identified the fundamental tension: any system that makes it easier for legitimate businesses to be cited also makes it easier for bad actors. This is the same problem Google faced in the '90s, Wikipedia deals with daily, and AI engines are grappling with now.

Long-term solutions I'm exploring:

- Community flagging + reputation scoring - Integration with trust registries (DUNS, ORCID, Crossref DOIs) - Transparent edit histories (like Wikipedia)

The goal isn't to be manipulation-proof, nothing is. It's to make CoThou profiles more trustworthy than the alternatives (random blogs, SEO spam, outdated info).

What would you add? This is an evolving problem and I'd love HN's input. —Marty