"Two agents working simultaneously" matching MCP connectors:

Verified local businesses, bookable by AI agents: services, prices, availability and appointments.

Calendar API for AI agents: events, availability, Google/Microsoft setup, scheduling, and iCal.

Personalized timing intelligence for AI agents — ask 'should I do X on this date?'

Open-source MCP server that gives AI agents access to real email and calendar in one npm install. Solves the problem of AI agents hitting a wall when they need your inbox.

Scheduling and booking engine for AI agents. Check availability, hold slots, and confirm appointments with two-phase booking and conflict-free resource management.

Hosted MCP server for Cliniko — patients, appointments, availability, and invoices for AI agents.

Deterministic time tools for AI agents: timezone conversion, business-day math, cron interpretation.

Hosted Google Calendar MCP server for AI agents. No self-hosting or Google Cloud setup.

Calendar MCP server with atomic booking, conflict prevention, deterministic RRULE expansion, and TOON token compression for AI agents.