Create Calendar Event

Immutable Catalog + Curated Guide

This lossless descriptor comes from the active Portal catalog and is enhanced with reviewed examples.

WRITEgoogle.calendar_create_event

• Contract tier: agent_ready
• Risk: write
• Catalog version: google-2026.07.12.2
• Descriptor hash: fa54cf0a7b3ebaa862d949568230dd3fe9499aec56e5181bbdcd5e7a0d10cbf8

Create an event with summary, time window, and attendees.

Request Body

{
  "jsonrpc": "2.0",
  "id": "google-calendar-create-event-example",
  "method": "tools/call",
  "params": {
    "name": "google.calendar_create_event",
    "arguments": {
      "summary": "Weekly Revenue Sync",
      "startTime": "2026-03-31T16:00:00Z",
      "endTime": "2026-03-31T16:30:00Z",
      "attendees": [
        "ops@example.com",
        "sales@example.com"
      ]
    }
  }
}

Arguments Schema

{
  "type": "object",
  "title": "calendar_create_eventArguments",
  "required": [
    "calendar_id",
    "summary",
    "start_iso",
    "end_iso"
  ],
  "properties": {
    "all_day": {
      "type": "boolean",
      "title": "All Day",
      "default": false,
      "description": "Set true to create all-day date events."
    },
    "end_iso": {
      "type": "string",
      "title": "End Iso",
      "description": "Event end as RFC3339 date-time or date for all-day events."
    },
    "summary": {
      "type": "string",
      "title": "Summary",
      "description": "Calendar summary or event title."
    },
    "location": {
      "type": "string",
      "title": "Location",
      "default": "",
      "description": "Optional event location."
    },
    "attendees": {
      "anyOf": [
        {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        {
          "type": "null"
        }
      ],
      "title": "Attendees",
      "default": null,
      "description": "Optional attendee email addresses."
    },
    "start_iso": {
      "type": "string",
      "title": "Start Iso",
      "description": "Event start as RFC3339 date-time or date for all-day events."
    },
    "time_zone": {
      "type": "string",
      "title": "Time Zone",
      "default": "UTC",
      "description": "IANA time zone such as America/New_York or UTC."
    },
    "calendar_id": {
      "type": "string",
      "title": "Calendar Id",
      "description": "Google Calendar calendar ID, often 'primary'."
    },
    "description": {
      "type": "string",
      "title": "Description",
      "default": "",
      "description": "Optional provider-visible description."
    }
  },
  "additionalProperties": false
}

Output Schema

{
  "type": "object",
  "required": [
    "ok",
    "data",
    "error",
    "meta"
  ],
  "properties": {
    "ok": {
      "type": "boolean",
      "description": "Whether the local or Google provider operation completed successfully."
    },
    "data": {
      "anyOf": [
        {
          "type": "object",
          "additionalProperties": true
        },
        {
          "type": "array",
          "items": {}
        },
        {
          "type": "string"
        },
        {
          "type": "number"
        },
        {
          "type": "boolean"
        },
        {
          "type": "null"
        }
      ],
      "description": "Bounded local navigation or Google provider result when ok is true."
    },
    "meta": {
      "type": "object",
      "description": "Safe timing, pagination, cache, request, and truncation metadata.",
      "additionalProperties": true
    },
    "error": {
      "anyOf": [
        {
          "type": "object",
          "additionalProperties": true
        },
        {
          "type": "null"
        }
      ],
      "description": "Safe structured error when ok is false."
    }
  },
  "description": "Google MCP normalized operation envelope.",
  "additionalProperties": false
}

Code Examples

cURL

curl -X POST 'https://portal.madpanda3d.com/api/mcp' \
  -H 'Authorization: Bearer mad_live_***' \
  -H 'Content-Type: application/json' \
  -d '{
  "jsonrpc": "2.0",
  "id": "google-calendar-create-event-example",
  "method": "tools/call",
  "params": {
    "name": "google.calendar_create_event",
    "arguments": {
      "summary": "Weekly Revenue Sync",
      "startTime": "2026-03-31T16:00:00Z",
      "endTime": "2026-03-31T16:30:00Z",
      "attendees": [
        "ops@example.com",
        "sales@example.com"
      ]
    }
  }
}'

Node.js

const response = await fetch('https://portal.madpanda3d.com/api/mcp', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer mad_live_***',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
  "jsonrpc": "2.0",
  "id": "google-calendar-create-event-example",
  "method": "tools/call",
  "params": {
    "name": "google.calendar_create_event",
    "arguments": {
      "summary": "Weekly Revenue Sync",
      "startTime": "2026-03-31T16:00:00Z",
      "endTime": "2026-03-31T16:30:00Z",
      "attendees": [
        "ops@example.com",
        "sales@example.com"
      ]
    }
  }
}),
});
const data = await response.json();
console.log(data);

Python

import requests

url = 'https://portal.madpanda3d.com/api/mcp'
headers = {
    'Authorization': 'Bearer mad_live_***',
    'Content-Type': 'application/json',
}
payload = {
  "jsonrpc": "2.0",
  "id": "google-calendar-create-event-example",
  "method": "tools/call",
  "params": {
    "name": "google.calendar_create_event",
    "arguments": {
      "summary": "Weekly Revenue Sync",
      "startTime": "2026-03-31T16:00:00Z",
      "endTime": "2026-03-31T16:30:00Z",
      "attendees": [
        "ops@example.com",
        "sales@example.com"
      ]
    }
  }
}
response = requests.post(url, headers=headers, json=payload, timeout=60)
print(response.json())

Example Responses

200 Success

{
  "ok": true,
  "event": {
    "id": "evt_733",
    "summary": "Weekly Revenue Sync"
  }
}

409 Conflict

{
  "ok": false,
  "error": "conflict",
  "message": "Event overlaps with an existing booking"
}