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Apitomy Data Models MCP

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by Apitomy

document_add_request_body_definition

Add reusable request body definitions to OpenAPI 3.x documents. Define request bodies once and reuse them in multiple operations.

Instructions

Add a reusable request body definition to the document components (OpenAPI 3.x only)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesRequest body definition name
sessionYesSession name
requestBodyYesJSON string with the request body definition
Behavior2/5

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

No annotations are provided, so the description carries the full burden. It does not disclose behavioral traits such as whether the definition overwrites existing ones, required permissions, or side effects on the document.

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?

The description is a single concise sentence with no extraneous words. Every word is useful.

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?

For a tool with 3 required parameters and no output schema, the description is minimally adequate. It lacks information on return values, error handling, or post-conditions, but the purpose is clear.

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 description coverage is 100%, so baseline is 3. The description does not add any extra meaning beyond the parameter names and JSON schema descriptions.

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 action ('Add'), the resource ('reusable request body definition'), and the scope ('to the document components (OpenAPI 3.x only)'). This distinguishes it from sibling tools like document_add_request_body (adds to an operation) and document_remove_request_body_definition.

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 description specifies the version constraint 'OpenAPI 3.x only', providing clear context for when this tool should be used. However, it does not explicitly contrast with alternatives like document_add_request_body for per-operation bodies.

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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