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nhype

OWA Exchange MCP Server

by nhype

download_event_attachments

Download all file attachments from a specific calendar event to a local folder. Provide the event ID and optional target directory.

Instructions

Download all file attachments from a calendar event to disk.

Args: item_id: The Exchange ItemId of the calendar event. target_folder: Local directory to save files (default /tmp/attachments).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
item_idYes
target_folderNo/tmp/attachments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations provided; description only states the action but omits details like behavior when no attachments exist, overwrite policy, or need for authentication. Minimal behavioral disclosure.

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?

Description is extremely concise with one main sentence and a compact parameter list. No unnecessary words, front-loaded with purpose.

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?

Has output schema, so return values not needed, but description lacks context on prerequisites (e.g., login required), error handling, or behavior when no attachments. Adequate for a simple tool but incomplete for robust use.

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?

Schema description coverage is 0%, but the description's Args section explains both parameters (item_id as Exchange ItemId, target_folder with default). This adds meaning beyond the empty schema descriptions, though lacks details like how to obtain item_id.

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 tool downloads all file attachments from a calendar event to disk, using specific verb and resource. It distinguishes from sibling 'download_attachments' by specifying event context.

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 on when to use this tool versus alternatives like 'download_attachments' or prerequisites. The agent is left to infer usage from name alone.

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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