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Show HN: Live breath detection and biofeedback from a phone microphone

https://github.com/shiihaa-app/shiihaa-breath-detection
15•felixzeller•6h ago•7 comments

Show HN: RePlaya – self-hosted browser session replay with live tailing

https://github.com/s2-streamstore/replaya
33•shikhar•4h ago•6 comments

Show HN: Eyeball

https://eyeball.rory.codes/
220•mrroryflint•13h ago•70 comments

Show HN: 100cc - Roll your own Claude in 100 lines

https://github.com/yujqiao/100cc
4•rapiz•3h ago•0 comments

Show HN: Build Your Own AI Agent CLI in 150 Lines

https://go-micro.dev/blog/11
19•asim•8h ago•0 comments

Show HN: Clor – give your agent claws

https://clor.com/
6•jacobgold•2h ago•2 comments

Show HN: MetaBrain – A local document memory for AI agents

https://metabrain.eu
5•acoye•5h ago•1 comments

Show HN: DropLock – E2EE secret sharing web app with no backend

https://droplock.apitman.com/
15•apitman•7h ago•5 comments

Show HN: Edsger – A handwritten Clojure REPL for the reMarkable 2

https://handwritten.danieljanus.pl/2026-06-01-edsger.html
8•nathell•3h ago•0 comments

Show HN: Claude wrote me a language, now I don't know what to do with it

https://github.com/kmcnally5/FROG
2•froglang•3h ago•1 comments

Show HN: TidyPress – Git-native CLI from Markdown to a static site you own

https://github.com/Raphjacksun7/tidypress
2•raphjacksun•4h ago•0 comments

Show HN: A searchable archive of declassified UAP/UFO files, news, and analysis

https://didyousee.xyz
9•sonjaqql•8h ago•0 comments

Show HN: Hop – JSX for Rust

https://hoplang.com
9•lyxell•5h ago•2 comments

Show HN: I built a way to find and install Claude skills

https://www.claudinho.xyz/
5•patrickmds•5h ago•1 comments

Show HN: Synapse – 2.9MB Mac app with screenshot, clipboard, Keep Awake and more

https://www.synapsemac.com/
13•harshanacz•12h ago•12 comments

Show HN: A CSS 3D Engine (no WebGL)

https://github.com/LayoutitStudio/polycss
74•rofko•1d ago•27 comments

Show HN: I built an on-chain economy where AI agents transact autonomously

https://agtchain.io/
9•winewarrior•8h ago•2 comments

Show HN: DepsGuard – One command to harden NPM/pnpm/yarn/bun/uv configs

https://github.com/arnica/depsguard
38•eranation•1d ago•4 comments

Show HN: Wikigraph – an interactive visualization of all of English Wikipedia

https://tobypenner.com/wikigraph/
9•tfpgh•8h ago•1 comments

Show HN: Textile – A desktop app for weaving together bits of text

https://www.gettextile.app
35•stack_framer•1d ago•21 comments

Show HN: I indexed 21,509 Shopify App Store listings

https://www.appstorepulse.com/reports/state-of-shopify-app-store-may-2026
3•matdesousa•8h ago•0 comments

Show HN: Streambed – Stream Postgres to Iceberg on S3, Supports Postgres Wire

https://github.com/viggy28/streambed
128•vira28•2d ago•35 comments

Show HN: MCP Registry – NPM-style install for MCP servers

https://mcp-registry-dh5.pages.dev
3•PengSpirit•9h ago•0 comments

Show HN: Breathe CLI – Paced resonance breathing in the macOS terminal

https://github.com/marekkowalczyk/breathe-cli
131•marekkowalczyk•3d ago•52 comments

Show HN: 500 years of Joseon court omens as an observability dashboard

https://ajin.im/is/building/omen.ops/
155•poppypetalmask•3d ago•26 comments

Show HN: Viveka: filter LLM output against a Lean-verified Advaita Vedanta model

https://github.com/SpecStudio-net/Viveka
7•adyashakti•16h ago•0 comments

Show HN: Helios – what plug-in solar could generate for any address in Britain

https://helios.southlondonscientific.com/
125•ruaraidh•3d ago•44 comments

Show HN: Atomic Editor – Obsidian-style live preview for CodeMirror 6

https://kenforthewin.github.io/atomic-editor/
67•kenforthewin•2d ago•18 comments

Show HN: Tiny-vLLM – high performance LLM inference engine in C++ and CUDA

https://github.com/jmaczan/tiny-vllm
203•yu3zhou4•4d ago•18 comments

Show HN: Mqtt Broker for 10 Years

https://github.com/skittleson/mqtt_broker_esp
15•skittleson•1d ago•1 comments
Open in hackernews

Show HN: MetaBrain – A local document memory for AI agents

https://metabrain.eu
5•acoye•5h ago
Hello there HN

I experimented with agentic coding recently and I felt the need to track more contextual data by project. Also I felt the need to be able to go beyond the 1D chat to communicate with agents.

So I created a local document memory, that is discoverable by agents themselves. The CLI is designed to be easy to pick up by agents. It allows humans to collaborate too by reading / searching / editing documents in the store.

I have a Mac native GUI in the review process, I hope it will show up in the App Store soon.

You can try it easily, instructions here: https://metabrain.eu/ Here is the GitHub https://github.com/OpenCow42/metaBrain

The project is also an experiment for me to build some swift project truly cross platform (Mac / Linux / Windows) It is open-sourced with the same license as LevelDB that I wrapped in swift to do this project.

The agents (and humans) can retrieve content quickly with a search, allowing to re-injecting specific knowledge in a specific context during agentic work. It’s funny, I’ve thought of "inference rule base" as something of a derelict idea of the old functional expert systems. Now that I start working with agents I feel more and more the need to go pick previously working solutions dynamically in such a base.

I’d be happy to get feedback. Product fit wise, would this be useful to you or is this just me who is happy with it ?

Finally I had fun with the compression of documents, it tries ZSTD quick, if it does not compress the data by more than 10 percent it stores data uncompressed, else it does a ZSTD level 9 compression on the data. I picked up this trick form OpenZFS.

Thanks

Comments

cyanydeez•1h ago
how is this anything other than advanced context pollution?