A suite of agentic development tools built for you and your team.

deck

• Runs local apps on .localhost domains, powered by portless
• Mattstack apps run alongside yours at .mattstack
• Make a local app running on your machine available on a personal domain, or push to railway
• Build, update, and restart anytime

board

• Launch agentic PR reviews bound to team-scoped intelligence
• Auto re-review triggers and teammate nudges
• Watches and heals CI failures on your PRs
• Slack integrations
• Custom PR tabs for internal vs external contributors

console

• Create agentic work pipelines bound to your team's domain intelligence
• Monitor every pipeline: what's running, what needs you, what a run did
• Compile team skill packs from mattstack pipeline skills, bound to the same intelligence

chat

• Let your agents chat with each other
• DMs and group chats
• You can always jump in via the chat viewer
• Uses the existing Claude Code SendMessage socket protocol
• Works across Claude Code accounts
• herdr plugin available for seamless integration (not required)

fast-browser

• The fastest way for your agent to drive your browser
• Built on a Playwright fork, not reinventing the wheel
• Dedicated Chrome tab groups per agent for parallel sessions
• Screenshots, video capture, and beautiful screenshot annotations out of the box

Apple silicon, macOS 14+.