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adbutler

AdButler MCP Server

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by adbutler

vast_get_linear_media

Fetches details for a specific VAST linear media by ID.

Instructions

Get details of a specific VAST linear media

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesVAST linear media ID
Behavior2/5

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

With no annotations provided, the description must bear the full burden of behavioral disclosure, but it only states 'Get details' without mentioning that this is read-only, what happens when the ID is not found, or what fields are returned. It adds no context beyond the literal action.

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 a single, front-loaded sentence with no filler or redundancy. It efficiently conveys the action and resource, which is appropriately concise for a simple get operation.

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?

The tool is simple with one parameter and no output schema, so the description is minimally adequate. However, it does not explain what 'details' are included or error semantics, leaving some ambiguity for the agent. A 3 is appropriate for the given complexity.

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 a single required parameter 'id' with description 'VAST linear media ID', providing 100% schema coverage. The tool description does not add additional meaning, but the schema already documents the parameter fully, so the baseline of 3 applies.

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 action ('Get') and resource ('details of a specific VAST linear media'), and the word 'specific' distinguishes it from listing operations like vast_list_linear_media. It is unambiguous and identifies the target resource accurately.

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 provided on when to use this tool versus alternatives such as vast_list_linear_media or vast42_get_linear. The description does not mention context, preconditions, or exclusions, leaving the agent to infer usage from the 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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