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Google Workspace MCP Server

Google Workspace MCP Server

by epaproditus
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
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create_event

Create a calendar event with title, start/end times, location, description, and attendee emails.

Instructions

Create a new calendar event

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "summary": "<summary>",
      "start": "<start>",
      "end": "<end>"
    },
    "name": "create_event"
  }
}

Input Schema

NameRequiredDescriptionDefault
endYesEnd time in ISO format
startYesStart time in ISO format
summaryYesEvent title
locationNoEvent location
attendeesNoList of attendee email addresses
descriptionNoEvent description

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.1

TDQS

C2.8/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries full burden of behavioral disclosure. It only states 'create', which implies mutation, but omits details like authorization requirements (e.g., calendar write access), side effects (e.g., notifications to attendees), or whether the event is created immediately. This is insufficient for a mutation tool.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence with no extraneous words, which is concise. However, it is too minimal and does not fully earn its place by providing additional context. It could include a brief note on required fields or behavior without significant length increase.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity (6 parameters, no output schema, no annotations), the description is incomplete. It does not specify return values (e.g., created event ID), constraints (e.g., title length, time range), or error conditions. An agent would lack critical context for successful invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3. The description adds no extra meaning beyond the schema's property descriptions (e.g., 'Start time in ISO format' already in schema). It does not clarify relationships between parameters or provide usage hints beyond what the schema offers.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Create a new calendar event', specifying the verb 'create' and resource 'calendar event'. It distinguishes from sibling tools like 'update_event' and 'delete_event', which modify or remove existing events. However, it could be more precise about the scope (e.g., single event creation with required fields).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives such as 'update_event' for modifications or 'list_events' for viewing. The description lacks context about prerequisites or typical scenarios, leaving the agent without decision-making support.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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