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Show HN: MCP App to play backgammon with your LLM

https://github.com/sam-mfb/backgammon-mcp
2•sam256•24m ago•0 comments

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

https://github.com/valdanylchuk/breezydemo
241•isitcontent•16h ago•26 comments

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

https://vecti.com
343•vecti•18h ago•153 comments

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

https://eljojo.github.io/rememory/
307•eljojo•19h ago•190 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•1h ago•1 comments

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

https://divvyai.app/
3•pieterdy•1h ago•0 comments

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

https://github.com/phreda4/r3
77•phreda4•15h ago•14 comments

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

https://docs.smooth.sh/cli/overview
93•antves•1d ago•69 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•20h ago•12 comments

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

https://mealjar.app
2•melvinzammit•3h ago•0 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: Slack CLI for Agents

https://github.com/stablyai/agent-slack
48•nwparker•1d ago•11 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•4h 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
18•NathanFlurry•1d ago•9 comments

Show HN: Compile-Time Vibe Coding

https://github.com/Michael-JB/vibecode
10•michaelchicory•5h 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•6h ago•5 comments

Show HN: Daily-updated database of malicious browser extensions

https://github.com/toborrm9/malicious_extension_sentry
14•toborrm9•21h ago•7 comments

Show HN: Horizons – OSS agent execution engine

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

Show HN: Micropolis/SimCity Clone in Emacs Lisp

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

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

https://rahuljaguste.github.io/Nethack_Falcons_Eye/
5•rahuljaguste•15h 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•9h ago•0 comments

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

https://github.com/adityaprasad-sudo/Explore-Singapore
4•ambitious_potat•9h ago•4 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: Sem – Semantic diffs and patches for Git

https://ataraxy-labs.github.io/sem/
2•rs545837•10h ago•1 comments

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

https://bastion-enclave.vercel.app
12•KevinChasse•21h ago•16 comments

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

https://github.com/AGDNoob/FastLog
5•AGDNoob•12h ago•1 comments

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

https://github.com/SawyerHood/gitclaw
9•sawyerjhood•21h ago•0 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•13h ago•0 comments

Show HN: I built a directory of $1M+ in free credits for startups

https://startupperks.directory
4•osmansiddique•13h ago•0 comments
Open in hackernews

Show HN: Rowboat – Open-Source Claude Cowork with an Obsidian Vault

https://www.rowboatlabs.com/
7•segmenta•2w ago
Claude Cowork just launched, bringing agentic AI to everyday work. Rowboat is an open-source alternative that builds knowledge that persists over time.

A quick demo is here: https://youtu.be/T2Bmiy05FrI

It connects to Gmail and meeting notes (Granola, Fireflies) and organizes them into an Obsidian-compatible vault. Plain Markdown files with backlinks, organized around things like people, projects, organizations, and topics. As new emails and meetings come in, the right notes update automatically.

Rowboat is also the primary interface for this vault. You can read, navigate, edit, and add notes directly. It includes a full markdown editor and graph visualization so you can see how context builds up across conversations.

Why not just search transcripts when you need something? Search only answers the questions you think to ask. A system that accumulates context over time can track decisions, commitments, and relationships across conversations, surfacing patterns you didn’t know to look for.

Once this context exists, it becomes knowledge that Rowboat can work with. Because it runs on your machine, it can work directly with local files and run shell commands or scripts, including tools like ffmpeg when needed.

The link in the title opens an interactive example graph showing how context accumulates across emails and meetings. We used a founder example because it naturally includes projects, people, and long-running conversations, but the structure applies to any role.

Examples of what you can do with Rowboat: draft emails from accumulated context, prep for meetings by assembling past decisions and enriching them with external research (for example via Exa MCP), organize files and project artifacts on your machine as work evolves, or turn notes into voice briefings via MCP servers like ElevenLabs.

We’re opinionated about noise. We prioritize recurring contacts, active projects, and ongoing work, and ignore one-off emails and notifications. The goal is long-lived knowledge that compounds over time.

All data is stored locally as plain Markdown. You can use local models via Ollama or LM Studio, or a hosted model. Apache-2.0 licensed.

GitHub: https://github.com/rowboatlabs/rowboat

Curious how this fits into your current workflow for everyday work.