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iskifogl

mcp-server-google-workspace

by iskifogl

gmail_read_email

Retrieve the complete content of a specific email using its Gmail message ID to access full message details.

Instructions

Read the full content of a specific email by ID

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
emailIdYesThe Gmail message ID
Behavior2/5

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

Without annotations, description only hints at read-only behavior. Does not specify what 'full content' includes (headers, body, attachments) or any quota/rate limit considerations.

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?

Single sentence of 10 words directly conveys purpose with no redundancy.

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?

Simple tool with one parameter, but description lacks details on output structure or what 'full content' entails; no output schema to compensate.

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 covers 100% of parameters and description adds no new meaning beyond 'The Gmail message ID'—meets baseline but does not enhance understanding.

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?

Description clearly states verb 'Read' and resource 'email', with specific identifier 'by ID', distinguishing it from listing or searching sibling tools.

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

Usage Guidelines3/5

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

Implies usage when email ID is known but no explicit context about when not to use or comparison to alternatives like gmail_search_emails or gmail_list_emails.

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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