alt.hn

5/21/2025 at 3:49:15 PM

Launch HN: SIM Studio (YC X25) – Figma-Like Canvas for Agent Workflows

by waleedlatif1

5/21/2025 at 4:55:28 PM

The one thing I find a bit odd about a lot of these orchestration tools is that they aren't AI first on their own UX.

Surely the first thing I should be presented with is a prompt window that can help be scaffold out the orchestration.

by matt3D

5/21/2025 at 5:32:53 PM

Thanks for the suggestion! We're adding in a prompt to workflow this week.

by ekarabeg

5/21/2025 at 4:16:19 PM

It would be great to see how this compares (why it's better, or what it does differently) to the myriad of competitors in this space - from established players like n8n adding 'AI' features, to AI-specific workflow tools like Rivet, to AI libraries adding visual designers like Langflow.

Site looks great!

by jasongill

5/21/2025 at 4:26:41 PM

thank you! We believe Sim Studio is different because we built it from the ground up to be ai-native - not an automation tool that bolted on ai features as an afterthought

A few points on this:

- Super intuitive & highly configurable visual canvas where there are no abstractions over the model providers' parameters

- Seamlessly works with the dev tools everyone uses (supabase, pinecone, mem0, exa)

- Handles complexities like branching, loops, and concurrency by default

- Built-in debugging that actually makes sense (with trace spans and logs)

- Actually open source (apache 2.0)

by waleedlatif1

5/22/2025 at 1:13:26 AM

There is nothing about this that you can call it "ai-native" -its just another visual editor (amongst which i've seen like 5+ from YC).

by bfeynman

5/23/2025 at 7:48:17 AM

Does SimStudio support embedding within a SaaS under the hosted version? Or is it not meant for multi tenanted deployments?

by manish_sg

5/21/2025 at 5:03:41 PM

I like the product. But I have a feedback: Your homepage doesn't exactly help understand your product. Your github has a GIF that describes your product better, so you should consider having something like that describes your product better on your website.

by srameshc

5/21/2025 at 5:28:54 PM

thanks for the feedback, will add the demo directly to the website!

by waleedlatif1

5/21/2025 at 7:26:36 PM

Congratulations on the public launch!

I had the honor of meeting these founders in person, and was pretty inspired by how fast these guys ship features and iterate on the product with their customers. Definitely the best React Flow work I've ever seen!

by primitivesuave

5/21/2025 at 7:33:18 PM

thank you! appreciate the kind words

by waleedlatif1

5/21/2025 at 6:13:17 PM

Lovely! I’ll give this a shot soon. Two questions: 1. Pricing - I presume y’all will eventually charge for hosting like n8n? I’m feeling a bit sheepish trying a new service without any mention of price. Even mentioning a free tier would be nice to see.

2. Any plans for integrating MCP servers? I’m looking to build a WhatsApp based Text to SQL service and this seems like a solid fit, but I’d like to use an MCP server that groks the business domain to query supabase. Any suggestions on how to pull this off?

by flaviuspopan

5/21/2025 at 6:22:37 PM

appreciate it!

1) we are completely open source and you can self-host it if you so please. for the hosted platform, we have a free tier to let you tinker and get some free inference credits, and then we have a pro plan with is $20 worth of inference, team plan with $40. we only charge for inference, not to use the platform

2) we are planning on integrating with MCP servers, although hesitatn because its a newer protocol and may not be here to stay (might be a hot take). in the meantime, we have pre-built integrations for whatsapp & supabase, so you can definitely build this out today

by waleedlatif1

5/21/2025 at 5:02:49 PM

I think that "Figma/Excalidraw-like" canvas for <insert interesting problem domain here> is an underrated solution space. At least in terms of variation on the problem domain.

by worldsayshi

5/21/2025 at 5:17:20 PM

I agree, I especially find it useful when prototyping. I recently built a canvas node-based tool that connects LLM prompts and passes the model's response into the next node as context. It was fun to create and great for testing/comparing outputs from different models. https://littleworkflow.com/

by jerejacobson

5/21/2025 at 5:37:44 PM

That's awesome! I like the visual rendering on the canvas.

by ekarabeg

5/21/2025 at 5:45:03 PM

Thanks! I will definitely try out Sim Studio later today. It looks great, nice work!

by jerejacobson

5/21/2025 at 5:09:09 PM

(should add TLdraw which is specifically built for extensibility)

no, it is overrated. there are many many canvas workflow builders like this one. they're all beautiful, intuitive and easy to use. they all also dont get traction. go ahead, name one that everyone else here will know. its weird but theres a huge gulf here between what people think they want and what people really use outside the figma/excalidraw/tldraw/miro/canva space

by swyx

5/21/2025 at 5:52:13 PM

we bet that its just because they pre-dated LLMs and don't really allow for granular control. the goal is to make it easier to develop automations/workflows, not harder. we think the future of development is 90% transformations/routing/fallbacks (boring) and the only part that actually impacts the end result is the call to the LLM (fun), the tools you give it, and a memory component. if we abstract away all the boring stuff, and only leave the stuff that impacts the results then it makes iterating and building with AI much faster and easier.

by waleedlatif1

5/22/2025 at 5:29:37 PM

good luck (genuine)

by swyx

5/21/2025 at 5:35:59 PM

We believe a visual solution is the best way for developers — and LLMs — to build applications in the future.

by ekarabeg

5/21/2025 at 5:03:36 PM

It would be nice to see the examples populated with real life examples.

by barbazoo

5/21/2025 at 5:40:24 PM

Try out https://hn.simstudio.ai for a live example, but we're also releasing templates this week to see community workflows.

by ekarabeg

5/21/2025 at 5:55:03 PM

I think OP is more referring to examples on how to set a workflow, like what would the equivalent "Hello World" / "FizzBuzz" / "Send an alert notification to [location] if [condition]". We're still trying to identify when and where using an agent is beneficial, so some use cases that I can review and fiddle with to match my workflow will help.

Really cool platform, so I'm interested in using it!

by tsumnia

5/21/2025 at 6:23:54 PM

adding some examples and templates this week, and in our discord we are gonna maintain a showcase where ppl can post the cool workflows they've built.

by waleedlatif1

5/21/2025 at 5:39:13 PM

thanks for the feedback, we are launching a ton of templates on the platform this week that you can add to your workspace with a single click. also, we'll add some examples to the home page

by waleedlatif1

5/21/2025 at 6:00:28 PM

Looks like IFTTT for LLM agents :-)

by efitz

5/21/2025 at 6:09:49 PM

i like to think of us as the version of these automation platforms that doesn't make you hardcode in all the non-determinism & edge cases, because now we can just use llms :)

by waleedlatif1

5/21/2025 at 4:56:26 PM

I love this space, been really enjoying Rivet which is open source and free. It's made coding a joy.

by Geep5

5/21/2025 at 5:01:07 PM

Can you share this project you are referring to?

by diamondfist25

5/21/2025 at 5:02:45 PM

https://github.com/Ironclad/rivet

by Maxious

5/21/2025 at 5:36:50 PM

i think it significantly lowers the bar for entry to building agentic workflows, but also has the potential to augment the development process for engineers since its such a tight feedback loop. for instance, we were working on a sales & marketing ai tool before this and iterating was so hard because the agent frameworks are finicky, and rolling our own multi-agent orchestration means we are locked into a single provider. on sim studio, you can switch providers and tools instantly without any switching cost

by waleedlatif1

5/21/2025 at 4:52:49 PM

[flagged]

by benedictowusu

5/21/2025 at 4:56:19 PM

Did you use SIM studio to set up this AI spam bot?

by matt3D