Archestra Apps HackathonSee what people are building

#general

Jul 25July 26, 2026
SS
Suganya Subramanian1:43 AMOpen in Slack
Hi, I'm using Archestra with OpenRouter's Free Models Router as mentioned in the webinar. Simple chat works, but when I ask it to generate an application, I get errors like empty response without content or tool calls or incomplete_tool_call. Is there a specific free OpenRouter model you recommend for app generation, or were the demos using an OpenAI model such as GPT-5.x?
3 replies
S
stephdai2862:47 AMOpen in Slack
Hi! I’m getting ready to submit my Apps Hackathon project and wanted to clarify the video requirements.
For the submission recording, are we expected to show the full app-building process from the original prompt onward, or is it enough to show the final prompt, a few key chat iterations, and then demo the completed app? Do judges need to see the chat logs or exact prompts used?
Is there a recommended video length or maximum duration? Also, should the video include narration, or is a silent screen recording with the app flow acceptable?
A few other questions:
• Should the recording focus mostly on the final app experience, or also explain how the MCP server and live data integration work?
• Do we need to show the submission PR creation process in the recording?
• Are there any specific items that must be visible, such as the MCP servers used, the live-data state, or the generated app prompt?
• How heavily is UI/UX and visual polish weighted compared with technical complexity, usefulness, and depth of MCP integration?
Thank you! I just want to make sure I record and submit everything correctly.
5 replies
AK
Hi team , i want to add google maps to my app but that mch is not available in the catlog any idea how to add that?
13 replies
ST
Sugananth Thinagaran8:13 AMOpen in Slack
👋 Hi everyone!
1 reply
M(
Margaret (archestra team)8:35 AMOpen in Slack
Hey all Hackathon App builders 👋
To help you get your submission ready, we’ve added a short video guide on how to record and submit your app - check it out here.
👍1
MN
Mohamad Nihad Al Sufe3:39 PMOpen in Slack
Hey
I wanted to know is it necessary to record the session of prompts and chat with my LLM or just at the end I record the result nad just keep it short and so on like is it a factor considered in judging or the final github thing will be the one judged only
pls lmk so I don't miss the thing out for not recording ._.
8 replies
SM
Hi
Running Archestra in a GitHub Codespace. Whenever the Codespace
restarts (idle timeout, etc.), the public 3000 URL 404s, even though
the app is healthy internally (curl to localhost:3000 works fine,
container shows healthy). Port re-forwarding and full Codespace
restarts don't fix it — only deleting and recreating the Codespace
does, which is a pain since I lose my GitHub OAuth setup each time.
Anyone seen this / know a fix?
1 reply
SM
Anyone facing the same issue or know a fix to it?
1 reply
VA
veer adyani5:43 PMOpen in Slack
Hey can I make my community post right now? it's asking for my gallery link.
3 replies
MN
Mohamad Nihad Al Sufe6:43 PMOpen in Slack
hey ... wanted to know if I'm the only one facing this issue ... when working on my apps and recording the session the record mid session auto stops like and not save just it stops and resets to 00:00 like idk what's going on but I have been into workign on my stuff and thinking that the thing is recording but nothing was recorded like wow and why is that ... is it an issue in the sys or my side or what's going on exactly anybody faced smth similar ??
13 replies
RK
Rupak Kumar8:09 PMOpen in Slack
It show this when I upload too video and I try several time like 10 to 12 times.
This recording has no description or build prompt yet — add them from the player before sharing.
So I go for manually.. Is this right?
26 replies
MK
Matvey Kukuy (archestra team)9:41 PMOpen in Slack
Hi all, apologies if it wasn't clear before 🙏 Recordings that include building steps would receive a higher evaluation than recordings of the final apps only.
1 reply
HI
harshal ingle10:17 AMOpen in Slack
Hi,
Sharing two exact errors I hit today building on Archestra: with *Cerebras, a model call failed with Status: 402, Type: unknown_api_error, Message: "402 status code (no body)" — no further detail in the response. With Groq* (Llama 3.3 70B), even in a fresh chat with a short prompt, I got Status: 413, Type: api_payload_too_large_error, Message: "Request body too large: 0.0 MB (limit 70 MB). Use a smaller attachment, or raise ARCHESTRA_API_BODY_LIMIT." — the reported size (0.0 MB) doesn't match the "too large" error. Posting in case others have hit the same and can point to a cause — happy to share full raw JSON for either if useful.
1 reply
MN
Mohamad Nihad Al Sufe12:44 PMOpen in Slack
hey .. actually I got another issue .. after stopping the record and saving the prompt and so on when I try to download it it just says it will be exported once it's ready and you download it but nothing got out to be saved on my device and when I try to submit the thing it says sign in to github and once I press it another screen shows that I didn't define the prompt or whatever even tho that I chose the chat messages about the prompt and cut the recording to 30 secs ... is that normal and is it happening with all or I'm missing smth ?
3 replies
SV
Siddharth Vishvanath (Sid)1:55 PMOpen in Slack
Hi , I am trying to create an app, but the agent says it has scaffolded the app but it doesnt persist the files. Is anyone else facing this issue ?
7 replies
AK
When i am adding the gmail in mcp registry then i am getting this error any resolution to this ?
9 replies
SM
Heyy
Hitting persistent rate-limit issues while testing app builds in
Archestra — bounced between OpenRouter (empty responses, then a 402
credits error even though I only asked for a simple test app) and
Gemini free tier (RESOURCE_EXHAUSTED after just ~5 requests). Wondering
if there's a recommended provider/model combo for hackathon use that
has more reasonable free-tier limits for iterative app building, since
retrying a few times during testing burns through quota fast. Any
suggestions?
11 replies
HA
Henrique Araujo3:36 PMOpen in Slack
Hello, is there already a ready-made solution for using ArchestrA in a multi-tenant format? Specifically, we would like a single installation to serve multiple companies within the group. Is this possible yet?
13 replies
SM
Running into repeated LLM provider issues while building an app in
Archestra — tried OpenRouter (empty responses, then a 402 error saying
it requested 32,768 max_tokens but my free account can only afford
1,600-4,000 depending on the moment), Gemini free tier (rate-limited
after ~5 requests), and OpenAI (empty response with no clear reason).
The OpenRouter 32k max_tokens default seems like it might be worth
lowering for free-tier accounts, or exposing as an easy setting — right
now it silently fails instead of scaling down. Is there a way to
configure max_tokens per-model, or a recommended provider/model combo
that works reliably on free tiers for iterative app building?
1 reply
SM
Hi
Is archestra.app down right now? Getting repeated Cloudflare 522
"connection timed out" errors when trying to open apps I've built via
the chat — happening consistently across multiple different apps and
LLM providers over the last few hours, so it doesn't seem related to
my setup. App builds succeed in chat, but the preview link always
522s. Anyone else seeing this, or any workaround to view apps while
it's down? so any info helps.
1 reply

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