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Show HN: LocalGPT – A local-first AI assistant in Rust with persistent memory

https://github.com/localgpt-app/localgpt
82•yi_wang•3h ago•24 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

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71•momciloo•10h ago•14 comments

Show HN: Axiomeer – An open marketplace for AI agents

https://github.com/ujjwalredd/Axiomeer
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2•jeremy_su•1h ago•0 comments

Show HN: A luma dependent chroma compression algorithm (image compression)

https://www.bitsnbites.eu/a-spatial-domain-variable-block-size-luma-dependent-chroma-compression-...
36•mbitsnbites•3d ago•3 comments

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

https://github.com/valdanylchuk/breezydemo
302•isitcontent•1d ago•39 comments

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

https://eljojo.github.io/rememory/
368•eljojo•1d ago•218 comments

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

https://vecti.com
374•vecti•1d ago•172 comments

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

https://github.com/sandys/kappal
44•sandGorgon•2d ago•21 comments

Show HN: Craftplan – Elixir-based micro-ERP for small-scale manufacturers

https://puemos.github.io/craftplan/
16•deofoo•4d ago•4 comments

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

https://docs.smooth.sh/cli/overview
98•antves•2d ago•70 comments

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

https://github.com/phreda4/r3
86•phreda4•1d ago•17 comments

Show HN: Django-rclone: Database and media backups for Django, powered by rclone

https://github.com/kjnez/django-rclone
2•cui•4h ago•1 comments

Show HN: Witnessd – Prove human authorship via hardware-bound jitter seals

https://github.com/writerslogic/witnessd
2•davidcondrey•5h ago•2 comments

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

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158•bsgeraci•2d ago•65 comments

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

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30•dchu17•1d ago•13 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
55•nwparker•2d ago•12 comments

Show HN: PalettePoint – AI color palette generator from text or images

https://palettepoint.com
2•latentio•7h ago•0 comments

Show HN: More beautiful and usable Hacker News

https://twitter.com/shivamhwp/status/2020125417995436090
4•shivamhwp•2h 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
23•NathanFlurry•1d ago•11 comments

Show HN: I built a <400ms latency voice agent that runs on a 4gb vram GTX 1650"

https://github.com/pheonix-delta/axiom-voice-agent
2•shubham-coder•9h ago•1 comments

Show HN: ARM64 Android Dev Kit

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

Show HN: Stacky – certain block game clone

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Show HN: Micropolis/SimCity Clone in Emacs Lisp

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

Show HN: A toy compiler I built in high school (runs in browser)

https://vire-lang.web.app
3•xeouz•11h ago•1 comments

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https://env-shelf.vercel.app/
2•ivanglpz•12h ago•0 comments

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https://github.com/Anipaleja/nginx-defender
3•anipaleja•13h ago•0 comments

Show HN: Daily-updated database of malicious browser extensions

https://github.com/toborrm9/malicious_extension_sentry
14•toborrm9•1d ago•8 comments

Show HN: Horizons – OSS agent execution engine

https://github.com/synth-laboratories/Horizons
27•JoshPurtell•2d ago•5 comments

Show HN: MCP App to play backgammon with your LLM

https://github.com/sam-mfb/backgammon-mcp
3•sam256•15h ago•1 comments
Open in hackernews

Show HN: FastApps – zero-boilerplate framework for building ChatGPT apps

https://www.fastapps.org
2•zachpark•3mo ago
Building interactive widgets for ChatGPT turned out to be way more complex than I expected. Between the MCP protocol, widget registration, build setup, CSP policies, and resource serving — I kept writing the same boilerplate over and over just to get something basic working.

That’s why I built FastApps, an open-source framework that lets you build ChatGPT apps with only two files: a Python backend and a React frontend.

It removes all the glue code and focuses on developer experience:

- Auto-discovers and registers MCP widgets automatically

- Builds and bundles React UIs with zero config

- Manages CSP, metadata, and resource serving out of the box

- Type-safe data flow with Pydantic and React hooks

- Runs as an MCP server, fully compatible with ChatGPT and other MCP clients

If you’ve been experimenting with MCP or building ChatGPT tools, I’d love your feedback. It’s fully open source — and I’m looking for contributors who want to help shape this ecosystem together.

GitHub → https://github.com/DooiLabs/FastApps

Docs → https://www.fastapps.org/

Comments

rosaaie•3mo ago
looks promising. So is this basically just a codegen tool or scaffolding to save some boilerplate or is it an actual runtime framework that keeps running alongside the chatgpt?
zachpark•3mo ago
It’s an actual runtime, not just scaffolding. FastApps runs as an MCP server and it handles widget registration, protocol messages, static assets, and the data flow between backend and frontend.

When you run fastapps create, you get a running service that ChatGPT talks to over MCP, not just a code template. You can extend or deploy it like any other web app.

rosaaie•3mo ago
Makes sense. How opinionated is it about the frontend? I saw React in the docs or can I use something else?
zachpark•3mo ago
Right now it's React-first because the Apps SDK UI layer is React-based. But the frontend is bundled automatically, so if OpenAI expands support for other frameworks later, swapping it out would be straightforward.
freakynit•3mo ago
This is really well done.

Any scope for backend-only part? Also, couldn't find examples for nodejs.. is it supported?

Thanks..

zachpark•3mo ago
Right now FastApps mainly focuses on Python-based backends.

Could you share a bit more on what you mean by “backend-only"? Are you thinking of running logic without any UI part?

Node.js isn’t supported yet, but I’d love to hear your use case!

freakynit•3mo ago
Cool... and yes.. without the UI part.

Nodejs use-case: I'm just more comfortable in it. Nothing else :)

donebydone•3mo ago
Oh nice. I actually thought about building something similar. Did you benchmadk the one Vercel made for nextjs?
dohyun1m•3mo ago
Hi I'm David, Co-founder of FastApps! Yes we did benchmark Next.js support for ChatGPT apps. We figured out there was nothing like it for python.

Apps in ChatGPT is based on MCP servers, and as you know many people develop mcp servers in python. So we believe that FastApps would be the best choice for people who are building ChatGPT apps in python.