marpy.io
AI coding platform built specifically for the Python stack
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Seth Black

marpy.io - AI coding platform built specifically for the Python stack

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Marpy is a web-based IDE and AI coding assistant built specifically for the Python stack. It helps you go from idea to deployed app without wrestling infra, glue code, or half-baked JS-focused tools. Get Python-native autocomplete, refactors, and AI-generated modules that actually understand Django, FastAPI, and real-world backends. Marpy lets you prototype, iterate, and ship production-grade Python apps faster, all from your browser.

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Seth Black
Maker
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heyo! I've spent the last few years watching my friends and clients vibe-code hundreds of apps into existence. Almost every app has ended with us fighting JavaScript back-ends that would be twenty lines of FastAPI Python code. So, to deal with the pain I rage-built marpy. What is marpy? It’s a browser-based IDE, deployment platform, and AI assistant built exclusively for the Python ecosystem (Flask, FastAPI, Django). Think Replit or v0, but for us Python devs. Why Python? I joke that "if you read your Python code out loud and you sound like a caveman, you did it right." But, really, the syntax is simple and lends itself really well to LLMs. What's the stack? Python, MariaDB, Redis, Docker, and K8s at the core. With git integrations built in so when AI finally takes over the internet, you'll still have all of your code. My Philosophy I believe Artificial Intelligence is a highly specialized solution for specific problems, not a silver bullet; and I don't like the "AI will solve all the problems" hype. I also built marpy.io on marpy.io. I'm dogfooding my own Flask/MariaDB stack every day to make sure the "Just Enough" principle actually helps ship products that work. It would be awesome for you to join me. -Sethers
Ansari Adin

who is the primary user here. a Python developer who already has a local setup and VS Code configured is probably not switching to a browser IDE regardless of how good the AI is. the person who might actually love this is someone who knows Python but hasn't gotten deep into tooling yet. are you building for the experienced dev or the intermediate one because those are pretty different products

Seth Black
Maker

@ansari_adin Good point. Definitely beginner/intermediate. I feel like experienced devs already have tooling in place, I know I do. With that said, I use it to hand projects off to other devs in a more consistent way.

Zac Taylor

A Python-native browser IDE makes sense if it reduces the setup friction between idea, backend, and deployed app.

Seth Black
Maker

@zact Yep. That's a big reason why marpy is opinionated out of the gate. It helps fill the gaps in getting python scaffolded and getting it from working locally to running in production.

Gaurav Aroraa

Framework-specific AST awareness for Django and FastAPI models is what separates this from generic AI tools. Most don't understand ORM relationships or dependency injection patterns. We've wasted hours cleaning up AI suggestions that looked plausible but broke with SQLAlchemy migrations. Does marpy maintain cross-file context, like tracking model schemas and router dependencies across the full project?