Model Context Protocol

OnceHub MCP Server

Managed Scheduling & Booking Protocol

Connect OnceHub scheduling to your AI agents. This managed MCP server enables LLMs to find available time slots, book meetings, and manage customer contacts via natural language.

Customer success teams use OnceHub MCP to close the gap between support and resolution. When a user needs an expert call, the AI can check OnceHub availability in real-time and offer specific slots or a one-time link directly in the chat, ensuring the meeting is booked while the lead is still hot.

  • ✓AI-driven appointment booking and rescheduling
  • ✓Automated lead-to-meeting bridge in chat
  • ✓Unified visibility into team availability
  • ✓One-click secure booking link generation
Deploy Managed ServerExplore Integrations
mcp-config.json
{
  "mcpServers": {
    "oncehub": {
      "command": "npx",
      "args": [
  "-y",
  "oncehub-mcp-server"
],
      "env": {
        "ONCEHUB_API_KEY": "your_oncehub_api_key"
      }
    }
  }
}
Real-World Automation

Common Workflows

See how teams combine this MCP with other tools to automate real business processes.

High-Intent Booking Bridge

Scenario: A user asks a technical question that requires a demo. AI books the demo immediately.
Steps:
  1. AI identifies the need for a live demo in conversation
  2. OnceHub MCP checks availability for the 'Demo Calendar'
  3. AI presents the next 3 available slots to the user
  4. User picks a slot; AI executes book_time_slot
  5. AI sends a confirmation email and adds to CRM
Outcome: Frictionless move from support to sales. Zero human effort to coordinate calendars.
Protocol Definition

Available Tools — In Depth

Detailed reference for each tool exposed by this MCP server, with examples and related use cases.

⚒

get_available_time_slots

Fetches available booking slots for a specific calendar

⚒

schedule_meeting

Automatically schedules a meeting with guest information

⚒

book_time_slot

Instantly confirms a booking for a specific time

⚒

cancel_booking

Terminates an existing meeting and notifies participants

⚒

list_booking_calendars

Returns a list of all active booking pages in OnceHub

⚒

create_one_time_link

Generates a secure, single-use booking link

Setup Guide

Configuration & Best Practices

Setup Checklist

  • ✓
    ONCEHUB_API_KEY (required)
    Generate in OnceHub Settings → API.

When to Use OnceHub MCP Server vs. Alternatives

Use This MCP When:

  • You need AI-native access via natural language
  • Your workflows span multiple tools (MCP composability)
  • You prefer cloud hosting over local Docker
  • You want zero-config deployment with ClawFast
  • Your use case requires LLMs to reason and act autonomously

Consider Alternatives When:

  • You need bulk data sync (use native export/import)
  • Real-time streaming is critical (use native webhooks)
  • You have strict compliance requiring direct API audit logs
  • Your integration is a one-off script (direct SDK may be simpler)
  • You need features not yet exposed by this MCP server
FAQ

Common Questions About OnceHub MCP Server

No additional FAQs for this MCP yet.

Technical Specifications

Protocol
SSE (Server-Sent Events) via OnceHub Remote MCP
Transport
HTTPS (TLS 1.3)
Authentication
Bearer token
Hosting
OnceHub Cloud / ClawFast Bridge

Why Managed MCP?

Model Context Protocol (MCP) is the new standard for AI connectivity. While you can host servers locally, ClawFast provides a production-grade managed environment.

  • 24/7 Availability: No need to keep your local machine running.
  • Secure Secrets: API keys are encrypted at rest and never exposed to logs.
  • SSE Protocol: Native Server-Sent Events (SSE) support for cloud-to-cloud connectivity.
  • Zero Config: One-click deployment with pre-configured templates.

Looking for more ways to use OnceHub MCP Server?

Explore our high-level integration page for OnceHub MCP Server to see business use cases and ready-to-use AI agent templates.

View OnceHub MCP Server Integrations →

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