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Microsoft To Do MCP

Microsoft To Do MCP

by jordanburke
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript

create-checklist-item

Create a checklist item to break a task into smaller steps. Specify list ID, task ID, and display name to add the subtask.

Instructions

Create a new checklist item (subtask) for a task. Checklist items help break down a task into smaller, manageable steps.

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": {
      "listId": "<listId>",
      "taskId": "<taskId>",
      "displayName": "<displayName>"
    },
    "name": "create-checklist-item"
  }
}

Input Schema

NameRequiredDescriptionDefault
listIdYesID of the task list
taskIdYesID of the task
isCheckedNoWhether the item is checked off
displayNameYesText content of the checklist item

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.1.3

TDQS

A3.5/5.0
Behavior2/5

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

No annotations are provided, and the description does not disclose behavioral traits such as required permissions, side effects, idempotency, or return values. It only states the action and purpose, leaving the full burden on the description for a write operation.

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 two concise sentences. The first states the action clearly, and the second adds useful context about the tool's purpose. There is no unnecessary wording, and it is front-loaded with the main verb and resource.

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?

Given that there is no output schema and no annotations, the description is adequate for a simple create operation but lacks additional context such as return value or prerequisites. The schema covers all parameters, so the main gap is behavioral context.

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?

The input schema has 100% description coverage for all four parameters, so the baseline is 3. The description adds no additional parameter-specific meaning beyond what the schema already states; it merely reiterates the overall action.

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 uses the specific verb 'Create' and clearly identifies the resource as 'a new checklist item (subtask) for a task.' It further explains the purpose ('break down a task into smaller, manageable steps'), which distinguishes it from siblings like create-task and create-task-list.

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?

The description provides only implied usage: 'Help break down a task into smaller, manageable steps' suggests when to use it, but it does not explicitly state when to use it versus alternatives, nor does it mention exclusions or prerequisites.

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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