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eitan3

Gmail + Calendar MCP Server

by eitan3

quick_add_event

Create calendar events by typing natural language phrases. Type 'Lunch with Sam tomorrow 1pm' to add an event automatically.

Instructions

Create an event from natural language (e.g. 'Lunch with Sam tomorrow 1pm').

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
textYes
calendar_idNoprimary
send_updatesNonone
accountNo
passwordNo
Behavior2/5

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

No annotations are provided, and the description fails to disclose any behavioral traits such as side effects, permissions, or authentication needs. The description is too brief for a tool that handles sensitive parameters like 'account' and 'password'.

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?

One sentence with an example, highly concise and no waste.

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 5 parameters, no output schema, and no annotations, the description is inadequate. It omits critical details about optional parameters, return values, and security considerations.

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

Parameters2/5

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

Schema description coverage is 0%, and the description only clarifies the 'text' parameter via example. The other four parameters (calendar_id, send_updates, account, password) are not explained.

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 'create' and resource 'event' with a natural language example, distinguishing it from sibling tools like 'create_event' which likely require structured input.

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

Usage Guidelines4/5

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

The example implicitly guides use for natural language input, but does not explicitly state when to use this tool versus 'create_event' or other alternatives.

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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