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Get a person from the directory

directory_get_user
Read-onlyIdempotent

One person by id or email: name, email, title, department and whether they can sign in. Free.

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": {
      "person": "<person>"
    },
    "name": "directory_get_user"
  }
}

Input Schema

NameRequiredDescriptionDefault
personYesThe person's id in the directory, or their email.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A3.6/5.0
Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint, openWorldHint and non-destructive behavior. The description adds useful context beyond that: it lists the exact fields returned and notes that the call is 'Free', which is meaningful cost disclosure.

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 tightly written sentence, front-loaded with the lookup method and followed by the returned fields and cost. Every element earns its place.

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

Completeness4/5

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

The tool is a simple read-only lookup with full annotation coverage and complete parameter schema. The description adequately states the input forms and output fields; it does not describe not-found behavior, but that is a minor gap for this complexity.

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%, and the single parameter is fully documented in the schema. The description's 'by id or email' matches the schema description but adds no syntax or additional meaning beyond it, so baseline 3 applies.

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?

States a specific verb and resource: retrieve one person by id or email, and enumerates the returned fields. The phrase 'One person' implicitly distinguishes it from directory_list_users, but no sibling is named explicitly.

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?

Provides no when-to-use guidance and no alternatives. With many sibling lookup tools such as directory_list_users and admin_list_people, the description should say when to use this single-record fetch versus those 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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