AI Citizens Week 3: Tools, Custom Skills & MCP is a New York City AI builder meetup focused on practical tools, custom skills, and Model Context Protocol (MCP) workflows. Scheduled for September 29, 2026, at Boris & Horton, the free event is relevant to startup engineers, founders, and technical product teams experimenting with AI agents and developer tooling. Attendees can expect hands-on discussion and community networking around emerging AI development practices. Approval is required, making advance registration important for participants who want to explore how custom capabilities and MCP can accelerate startup product development.