Pilot MCP

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

No annotations are provided, so the description must carry the full burden of behavioral disclosure. It fails to mention whether this sends invitations to attendees, handles timezone conflicts, requires specific Outlook permissions, or what happens upon success/failure.

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

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

While brief (4 words), the description suffers from under-specification rather than efficient conciseness. The single sentence fails to earn its place by providing information not already evident in the tool name itself.

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

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

Given the presence of sibling calendar tools and the unusual empty parameter schema, the description should explain Outlook-specific context or how the event creation works without parameters. It provides none of this necessary context.

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

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

The input schema contains zero parameters (empty properties object). Per evaluation rules, zero-parameter tools receive a baseline score of 4 for this dimension as there are no semantics to clarify beyond the schema.

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

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

The description 'Create Outlook calendar event' is essentially a tautology that restates the tool name (outlook_create_event) with minor grammatical changes. While it identifies the action and target system, it fails to distinguish from the sibling tool 'create_calendar_event' or specify scope beyond the obvious.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance provided on when to use this Outlook-specific tool versus the sibling 'create_calendar_event' (likely for Apple Calendar given the ecosystem context). No mention of prerequisites, required authentication, or when not to use it.

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