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timezest_scheduling_cancel

Cancel a scheduling request by ID, with an optional reason. Use this to void unneeded or incorrect appointments.

Instructions

Cancel a scheduling request

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
reasonNoReason for cancellation
requestIdYesScheduling request ID to cancel

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv3.0.0

TDQS

C2.6/5.0
Behavior2/5

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

With no annotations, the description carries the full burden of behavioral disclosure. It does not state whether cancellation is reversible, whether it requires special permissions, what happens to the associated request, or whether it sends notifications. The description only names the action without revealing consequences.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single short sentence with no wasted words. It is front-loaded with the action and resource. However, it is so brief that it misses opportunities to add behavioral or usage context, so it earns a 4 rather than a 5.

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

Completeness2/5

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

For a mutation tool with no annotations and no output schema, the description is too thin. It does not explain what happens after cancellation, whether the request must be in a certain state, or how the agent can verify success. The schema covers parameters, but the behavioral and workflow context is missing.

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 the schema already documents both parameters. The description adds no extra meaning beyond the schema, but the baseline of 3 applies because the schema does the heavy lifting. The 'reason' parameter's optionality and purpose are clear from the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose3/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a clear verb and resource ('Cancel a scheduling request'), which distinguishes it from the create/list/get siblings. However, it is terse and doesn't specify what 'cancel' means in this system (e.g., whether it cancels a pending request or an existing appointment), so it is adequate but not fully clarifying.

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?

No guidance is given on when to use this tool versus alternatives. It does not mention that it is for canceling a previously created scheduling request, nor does it contrast with timezest_scheduling_list/get or timezest_scheduling_create_request. The context is implied by the name and description only.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.