We're halfway through the @SlackHQ Agent Builder Challenge! With ready-made templates, you can go from a blank page to a running AI agent using the slack create agent command in a single afternoon 🤩
🚨 TICK-TOCK! Only 48 hours left to submit your project for the @googlecloud Rapid Agent Hackathon!
Wrap up your Gemini-powered AI agents, integrate your partner MCP servers, and push that code!
June 2026 Hackathon List 🐺
> @SuiNetwork Overflow 2026 $500,000+
registration open
AI, Consumer Apps, DeFi, Infrastructure
[https://t.co/hGftrll0ku]
> @ETHGlobal New York $225,000+
Jun 12 to 14
Ethereum's flagship hackathon this month
[https://t.co/AbkgIAv3Q8]
> @arbitrum Open House London $115,000+
closes Jun 14
Solidity, Stylus, AI Agents, DeFi
[https://t.co/rWFxSvxnVf]
> @Casper_Network Agentic Buildathon $150,000
closes Jun 30
AI Agents, RWAs, DeFi
[https://t.co/edzRPipnxg]
> @Mantle_Official Turing Test Hackathon $100,000
closes Jun 15
AI agents making onchain financial decisions
[https://t.co/edzRPipnxg]
> @MetaMask x @VeniceAI Dev Cook Off $14,000
closes Jun 15
Smart Accounts, ERC-7710, Agentic UX
[https://t.co/rWFxSvxnVf]
> @BNBCHAIN AI Trading Agent Edition $36,000
closes Jun 21
Build autonomous trading agents
[https://t.co/Ct4pE8KpYF]
> @SkaleNetwork Programmable Privacy Hackathon $13,000+
closes Jul 1
Privacy-preserving applications and agent commerce
[https://t.co/edzRPipnxg]
> Liquify Indexer API Hackathon $100,000
closes Jun 14
Build next-generation Web3 data products
[https://t.co/M8Cpfiowtw]
> Kite AI Global Hackathon
active through June
AI x Web3, Agentic Economy
[https://t.co/9v2LtKi0WT]
> CROO Agent Hackathon $10,000+
closes Jul 12
Agent-to-agent systems and autonomous workflows
[https://t.co/edzRPipnxg]
> @GoogleCloud Rapid Agent Hackathon $60,000
closes Jun 11
Gemini, MCP, AI Agents
[https://t.co/dSL7D4CH0F]
> @UiPath AgentHack $50,000
closes Jun 30
Enterprise AI and Automation
[https://t.co/YHtgd8R8mQ]
> H0: Hack The Zero Stack $80,000
closes Jun 29
AWS x Vercel v0
[https://t.co/zflQNwKCqw]
> @splunk Agentic Ops Hackathon $20,000
closes Jun 15
Observability, Security, AI Operations
[https://t.co/ISiO0hFa6u]
> Band of Agents Hackathon $10,000+
Jun 12 to 19
Multi-agent systems
[https://t.co/SuM8Z5img1]
> AI Hackathon @ Berkeley $100,000+
Jun 20 to 21
AI, Agents, Open APIs
[https://t.co/S7azCQxDXZ]
> IBM SkillsBuild AI Builders Challenge $15,000
closes Jun 30
[https://t.co/wAgRvFv6L0]
> USAII Global AI Hackathon $15,000
Jun 14 to 21 [https://t.co/fhtxHx8EWA]
> Databricks Building Intelligent Apps
closes Jun 15
AI applications and data infrastructure
[https://t.co/49NTFocv9m]
> Microsoft Build AI Challenge
closes Jun 30
Agents, Productivity, Security
[https://t.co/ui4KCgDlIy]
> Global Hack Week: Hacking for Good
Jun 12 to 18
Global builder sprint
[https://t.co/o3JOuG0hz0]
> HACKHAZARDS '26
closes Jun 30
One of the largest community-run buildathons
[https://t.co/deakq16rXX]
> Build with Gemini XPRIZE $2,000,000
submissions open
The biggest AI competition currently running
[https://t.co/TduPOVzk3Y]
> QVAC Edge AI Hackathon $21,000
closes Jun 22
Edge AI, On-device Agents, Tether Ecosystem
[https://t.co/edzRPipnxg]
> AI Agent Olympics $28,000+
Milan AI Week
Finance, Legal, Healthcare, Logistics
[https://t.co/SuM8Z5img1]
> Qwen Cloud Global AI Hackathon
Jun 9 to Jul 12
LLMs, AI Agents, Cloud AI
[https://t.co/Km2jEkJdb0]
COMING UP 👀
> ETHGlobal Lisbon
Jul 24 to 26
Expected $100K+ sponsor bounties
Ethereum, AI, Consumer Crypto
[https://t.co/p8jybUs1F3]
> ETHOnline 2026
Sep 4 to 16
The biggest online Ethereum hackathon of the year
Infrastructure, AI, ZK, DeFi
[https://t.co/K1p8aJdLxL]
> ETHGlobal Tokyo
Sep 25 to 27
Asia's largest ETHGlobal event
[https://t.co/flpM9dEXYl]
> ETHGlobal Mumbai
Nov 6 to 8
One of the fastest-growing Ethereum builder events
[https://t.co/U3mR0fR3fK]
Kindly note that there a lot of close deadlines.
Tell me what you'd build.
Pick one and Register today.
Bookmark so you can come back to it.
RT to help a builder in your timeline 🔁
The results are in! 🏆 Over 4,000 builders came together to redefine the future of medicine, building interoperable healthcare agents at the intersection of MCP, A2A, and FHIR.
Huge congratulations to the top winners of Agents Assemble - The Healthcare AI Endgame:
New Hackathon to earn from a pool of $42,000
@SlackHQ Agent Builder Challenge
Build intelligent agents that automate workflows, surface real time insights and connect systems inside Slack
Prize pool: $42,000💰
•Trip to Dreamforce 2026
•Slack Marketplace distribution
•Featured in Slack newsletter
Open to vibe coders & seasoned devs
Apply here 👇
https://t.co/jYRiIFvqVT
Submissions close tomorrow at 9pm EDT for the Reddit Mod Tools & Migrated Apps Hackathon with @RedditforDevs !
Also, if you submit the developer satisfaction survey, you're eligible for the $200 Feedback Award! Submit today 👉 https://t.co/zfoU92dTtK
Building for the Google Cloud Rapid Agent Hackathon? Not sure where to begin? 👇
We have 3 upcoming sessions next week to help you get unblocked.
🔵 May 26 @ 1PM ET — Secure AI Agent Deployment with Gitlab & Gemini
🟠 May 27 @ 12PM ET — Power Your AI Agent with Data (Fivetran x Google Cloud)
🟣 May 28 @ 1PM ET — Zero to traced agent in 5 min with Phoenix MCP (Arize AI)
Live demos & Direct Q&A. $60K in prizes. Hackathon Deadline June 11! Registration links below!
Ready to build production-ready agents? @UiPath AgentHack is now LIVE!
6 weeks. 3 tracks. $50K in prizes. Use whatever coding agent you're already in — Claude Code, Codex, Cursor, Gemini CLI and let UiPath handle orchestration! 😱
Submissions open through June 29 → https://t.co/vVBat2gO9d
The Google Cloud Rapid Agent Hackathon is live!
Fivetran is sponsoring a featured challenge focused on building high-performance AI agents powered by real enterprise data.
$10K in prizes are on the line. See what you can build: https://t.co/Cxhor1IOyy
Halfway through the @RedditforDevs Mod Tools & Migrated Apps Hackathon!
You've got Devvit to build with. Reddit's platform. What are waiting for? 👀
Deadline: May 27th
Start building TODAY!
https://t.co/zfoU92dTtK
Developers who've done 6+ hackathons ship AI projects to production at 2.2x the rate of first-timers. Each additional hackathon corresponds to a higher shipping rate.
For companies running recurring programs, the returns compound. Get all the data in our AI Trends Report 2026: https://t.co/wTHQzcjGXw
Using @Auth0 Token Vault, 2,000+ builders bridged the gap between AI autonomy and human accountability. Meet the winners of the #AuthorizedToAct Hackathon with @auth0 and @okta !
Check out all the projects and blog posts in the project gallery: https://t.co/A2mFQZuzCC
Calling r/developers!👀
The @Reddit Mod Tools & Migrated Apps Hackathon is LIVE! Join @redditfordevs and build the future of moderation with #Devvit — Reddit's high-performance dev platform. 🛡️
💰 $45,000 in Prizes ($10K Grand Prizes!)
Register to Build? Register today! https://t.co/GQRwfGA6ql
#RedditDev #Hackathon