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Softeria

Microsoft 365 MCP Server

by Softeria
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TypeScript
Hybrid

create-mail-child-folder

create-mail-child-folder
Destructive

Create a subfolder inside an existing mail folder to organize email messages. Provide the parent folder ID and display name, and optionally set it as hidden on creation.

Instructions

Use this API to create a new child mailFolder. If you intend a new folder to be hidden, you must set the isHidden property to true on creation.

šŸ’” TIP: Creates a subfolder inside an existing mail folder. Use list-mail-folders or list-mail-child-folders to find the parent folder ID.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
bodyYes
confirmNoFor destructive operations when the confirm gate is enabled (MS365_MCP_REQUIRE_CONFIRM=true; off by default). Set to true only after the user has explicitly approved this action. When the gate is on, calls without confirm: true return { error: "confirmation_required" } without touching user data.
mailFolderIdYesValue for the 'mailFolderId' path segment. Pass it under the name 'mailFolderId', not as 'id'. Use the 'id' field of the mail folder object as returned by Microsoft Graph.
includeHeadersNoInclude response headers (including ETag) in the response metadata
excludeResponseNoExclude the full response body and only return success or failure indication

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. Addedv0.134.4
  2. Removedv0.131.2
  3. Changed1 schema field changedv0.131.1
    • addedInput schema / properties / confirm
      Added value: +{
+  "description": "For destructive operations when the confirm gate is enabled (MS365_MCP_REQUIRE_CONFIRM=true; off by default). Set to true only after the user has explicitly approved this action. When the gate is on, calls without confirm: true return { error: \"confirmation_required\" } without touching user data.",
+  "type": "boolean"
+}
  4. Addedv0.114.0
  5. Removedv0.112.2
  6. Addedv0.110.0
  7. Removedv0.108.0
  8. Addedv0.96.0

TDQS

A4.2/5.0
Behavior3/5

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

Annotations already indicate mutation (readOnlyHint=false) and potential destructiveness (destructiveHint=true), so the description does not need to repeat that. It adds the nuance that 'isHidden' can only be set on creation, but does not disclose other behavioral traits like error handling or idempotency.

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 extremely concise: two sentences plus a tip, with no wasted words. It is front-loaded with the primary purpose and immediately actionable guidance.

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?

For a create tool with no output schema, the description does not explain the return value or error conditions. However, given the complexity of the input schema, the tip provides essential context about finding the parent ID, making it fairly complete for typical usage.

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

Parameters4/5

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

With 80% schema description coverage, the schema already documents most parameters. The description adds value by highlighting the 'isHidden' property must be set on creation and providing the tip about parent folder ID, though it does not cover all parameters.

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 'create a new child mailFolder' and 'Creates a subfolder inside an existing mail folder,' which provides a specific verb and resource. It distinguishes itself from sibling tools like 'create-mail-folder' by explicitly specifying it is for child folders.

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 gives a tip to use 'list-mail-folders' or 'list-mail-child-folders' to find the parent folder ID, guiding proper usage. However, it does not explicitly mention when not to use this tool or provide alternatives like 'create-mail-folder' for top-level folders.

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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