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google-calendar-mcp

google-calendar-mcp

by coldinnn
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

delete_event

Remove a specific calendar event by providing its event ID. Enables direct deletion from Google Calendar.

Instructions

Delete a calendar event by its ID.

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": {
      "event_id": "<event_id>"
    },
    "name": "delete_event"
  }
}

Input Schema

NameRequiredDescriptionDefault
event_idYesEvent ID from list_events or search_events

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3.3/5.0
Behavior2/5

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

With no annotations provided, the description carries full burden but only states 'delete', implying a destructive mutation. No disclosure of behavioral traits such as irreversibility, authorization requirements, error handling, or return value.

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

Conciseness5/5

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

A single, concise sentence that efficiently communicates the tool's purpose without extraneous words.

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

Completeness3/5

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

While the description adequately identifies the tool's function for a simple one-parameter operation, it lacks completeness regarding return values, prerequisites, or any additional context that would fully inform an AI agent's decision, especially given the absence of annotations.

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% with a clear description for event_id already provided in the input schema. The tool description adds no additional meaning beyond what the schema already conveys.

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

Purpose5/5

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

The description clearly states the verb 'delete' and the resource 'calendar event' along with the identifier method 'by its ID', making the purpose unambiguous and distinguishing it from sibling tools like create_event, list_events, etc.

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 explicit guidance on when to use this tool vs alternatives, no prerequisites mentioned (e.g., event must exist, permissions needed), and no mention of side effects or constraints.

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

Deploy Server

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