April 21, 2026 · Hosted by HeyCounsel
Claude Cowork Hackathon
On April 21, 2026, 200+ lawyers from 10+ countries spent five hours learning, building, and experimenting with Claude Cowork. They shipped regulation trackers, marketing automations, template synthesizers, and more, then reconvened on May 28th for Demo Day.
We learned a lot, had fun, and built cool stuff.
Sign up for our upcoming Claude Code Hackathon in July.
What they built
Robb MillerStartup Formation (US & Canada)
A startup formation skill for US and Canada corporate formation, built for both lawyers (with lawyer-in-the-loop documentation) and their clients.
Mike CremataLegal Guidance Vault
A Claude-powered archiving and retrieval system that captures legal guidance so in-house teams can find and reuse it.
Ryan JulianoTemplate Synthesizer
Guides the full lifecycle of drafting any commercial or corporate contract — from context elicitation through final draft.
Emily CabreraPrivilege Sentinel
Local Claude Code skill that analyzes AI prompts for privilege risk and classifies them across SAFE / CAUTION / STOP bands.
Yue Deng-WuAI Employment Laws Compliance Dashboard
US AI-employment compliance dashboard with regulatory monitoring and Illinois AI law management.
Christian BrownPlaybook Ingestion + Negotiation Workflow Skill
Turn your playbook into a working AI contract reviewer.
Victor WangYC SaaS Agreement Template Skill
A skill to help you better customize your client drafting experience for SaaS agreements.
Mike BittnerLinkedIn Business Dev Skill
Put LinkedIn post ideation, publishing and tracking on auto-pilot.
Nitesh DaryananiMidpage + Cowork Plugin for Creating Memos
Create memos based on real caselaw research, fight against hallucinations.
Fariz BurhanuddinClaude-Powered Post-event LinkedIn Invitations (Biz Dev Hack)
Never leave a virtual event without a room-full of new LinkedIn connections.
Cassie EdgarFDA Warning Letter Tracker
Keep track of FDA Warning Letters automatically using this skill.
Yue Deng-WuPaid Leave Tracker
Keep track of paid leave statutes and regulations with state-by-state charts.
Giovanna Panuccigiurisprudenza-lampo
Italian jurisprudence research skill for legal topic orientation — quickly surfaces relevant case law and doctrine.