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royshil
by royshil

obs-get-source-active

Check if a source is currently active and visible in OBS Studio by providing its name or UUID, enabling real-time monitoring of source states for scene management.

Instructions

Gets the active and show state of a source

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
sourceNameNoName of the source to get the active state of
sourceUuidNoUUID of the source to get the active state of
Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It states it 'Gets' information, implying a read-only operation, but doesn't specify if it requires permissions, has side effects, or details the return format. For a tool with zero annotation coverage, this leaves significant gaps in understanding its behavior.

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, efficient sentence with no wasted words, making it highly concise and front-loaded. It directly states the tool's purpose without unnecessary elaboration.

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 the tool's low complexity (simple read operation with 2 parameters) and high schema coverage, the description is adequate but minimal. However, with no annotations and no output schema, it doesn't fully compensate for missing behavioral details, such as what 'active and show state' entails or the response structure.

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 schema description coverage is 100%, with both parameters ('sourceName' and 'sourceUuid') clearly documented in the input schema. The description adds no additional meaning beyond what the schema provides, such as clarifying if both parameters are required or how they interact. Baseline 3 is appropriate when the schema does the heavy lifting.

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

Purpose4/5

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

The description clearly states the verb ('Gets') and the resource ('active and show state of a source'), making the purpose specific and understandable. However, it doesn't explicitly differentiate from sibling tools like 'obs-get-input-list' or 'obs-get-source-filter-list', which also retrieve information about sources or inputs, so it doesn't fully distinguish itself.

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?

The description provides no guidance on when to use this tool versus alternatives, such as other 'obs-get-*' tools that might retrieve related source information. There's no mention of prerequisites, context, or exclusions, leaving usage unclear.

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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