Slack Agent Builder Challenge Online Whether it's your first agent or your fiftieth - Slack is where it ships. $42,000 in prizes Jul 13, 2026 08:00 PM EDT to submit 4195 participants
Agents Assemble - The Healthcare AI Endgame Online Build Interoperable Healthcare Agents at the Intersection of MCP, A2A, and FHIR $25,000 in prizes Winners announced 4314 participants
Learning Hackathon: Spec Driven Development Online Great AI projects start with great planning. Learn the process with Claude Code and apply it to yours. Non-monetary prizes Winners TBD 1254 participants