26 days ago
The deadline has passed — now put the keyboard down 🛑
Submissions for the Slack Agent Builder Challenge are officially closed. If you got yours in — nice work. Seriously.
⚠️One important thing: do not edit your project.
Once the submission period ends, your project is locked for review. Any changes to your submission — including your demo video, description, links, or sandbox access — can affect your eligibility. Leave everything exactly as you submitted it.
A few things to double-check right now:
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✅ Sandbox access — confirm that both slackhack@salesforce.com and testing@devpost.com are still active members of your sandbox workspace (not just invited — accepted and in)
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✅ Demo…
29 days ago
Last call. ⏰ Submissions close July 13, 2026 at 5:00 PM PT.
This is it. The Slack Agent Builder Challenge closes on July 13, 2026 at 5:00 PM PT. Here's your full pre-submission checklist — go through every item before you hit Submit.
✅ Your Submission Checklist
🔧 Your Project
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Your app uses at least one required technology: Slack AI capabilities, MCP server integration, or the Real-Time Search (RTS) API
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Your app is installed and working in your Slack Developer Sandbox
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You've given Member access (not Guest) to slackhack@salesforce.com and testing@devpost.com in your sandbox workspace
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Your sandbox URL is included on your submission form
🗂️ Your Track
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You've selected your…
about 1 month ago
🚨 Orgs Track Builders: Here's Exactly How to Deploy & Submit to the Slack Marketplace (4 Days Left!)
Hey builders! 👋 If you're working on the Slack Agents for Organizations track, this is for you.
A quick but important reminder: this track requires your app to be deployed to production and submitted to the Slack Marketplace — not just running in your sandbox. That's a few extra steps beyond a typical build, so we put together the exact path to get you from sandbox → production → Marketplace, below. Please read through this before you get too close to the deadline!
With only 4 days left, now's the time to deploy, test, and submit (remember:…
about 1 month ago
One week left. Here's what separates good submissions from winning ones 🏅
The deadline is July 13, 2026 at 5:00 PM PT. One week. If your project isn't done, that's okay — you still have time to make it something judges remember. Here's some advice:
🔨 Build Tips: What Makes a Slack App Actually Good
- Do one thing really well. The best Slack agents aren't Swiss Army knives. They solve one specific problem so cleanly that you immediately understand the value. Scope down if you haven't already.
- Make it feel native to Slack. Use Block Kit to build structured, interactive UI inside Slack — not just walls of text. An agent…
about 1 month ago
Ship It Right: Marketplace Requirements for the Organizations Track
So you want to ship to the Slack Marketplace. We love that for you — and we want to make sure your hard work actually qualifies. Here's what you need to know.
The Slack Agent for Organizations track is built for apps that live on the Slack Marketplace — the place where thousands of orgs go to find tools they can actually trust. Every app in the Slack Marketplace is reviewed and tested to ensure that the apps published are ones that our review team determine to be high-quality, reliable, and useful.
The Slack Marketplace has specific submission requirements that…
about 2 months ago
Two new resources + how to actually win over the judges 🛠️
Hey builders,
We have two new resources to add to your list, plus some straight-talk on what judges are scoring and how to make your submission land.
📚 Two new Slack Dev Huddles
The Slack Developers team is running two live huddles that line up directly with what you're building:
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Slack Dev Huddles Ep05 — Slack MCP & RTS API → Watch
Covers two of the three core technologies for this hackathon: MCP server integration and the Real-Time Search API. If you're wiring external tools and data into your agent, or surfacing live workspace context, this is the one to…
2 months ago
$42,000 in prizes — plus a trip to Dreamforce. Here's the full breakdown 🎯
In case you needed a reminder of what's on the line — here's the full prize breakdown for the Slack Agent Builder Challenge.
🥇 Track Prizes
⚡ New Slack Agent
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1st Place: $8,000 cash + Slack Developer Certification voucher (1 per team member, up to 4) + Dreamforce 2026 full conference pass (1 per team member, up to 4) + Slack community swag voucher (1 per team member, up to 4) + Invitation to an exclusive Slack community gathering & social media interview at Dreamforce 2026* + Features on Slack socials, the Slack developer newsletter, and the Slack Developer Program…
3 months ago
8 weeks | Here's how to actually use them ⏱️
Eight weeks sounds like a lot. It isn't. The builders who submit something they're proud of are the ones who had a plan. Here's a rough framework to get you from idea to submission without the last-minute panic.
🗓️ The Slack Agent Builder Challenge Timeline
🌱 Weeks 1–2: Idea → Foundation (May 20 – June 1)
- Pick your track: New Slack Agent, Agent for Good, or Agent for Organizations
- Identify the real problem you're solving — the narrower and more specific, the better
- Decide which technology you're leading with: Agent Builder, MCP, or RTS API
- Set up your developer sandbox…
