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toggle_virtual_cam

Switch the OBS virtual camera on or off with a single command. Useful for controlling camera output during streams or recordings without manual OBS settings.

Instructions

Toggle the virtual camera on/off.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations are provided, so the description carries the full burden. It merely states 'toggle' without disclosing side effects, prerequisites, error conditions, or whether the operation is reversible. This is a mutation tool with no behavioral context.

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 concise sentence that directly states the function. For a zero-argument tool, this is appropriately sized and front-loaded with the core action.

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?

Despite low complexity, the description is incomplete due to missing usage guidelines and no reference to related tools like get_virtual_cam_status or start/stop. Without annotations or an output schema, the agent lacks context for correct invocation and verification.

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?

The tool has zero parameters, so there are no semantics to explain. The schema coverage is trivially 100% and the description adds no parameter details, which is acceptable given the absence of arguments.

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: toggling the virtual camera on/off. This distinguishes it from the start_virtual_cam and stop_virtual_cam siblings by indicating a state-reversing operation.

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 toggle versus the start_virtual_cam or stop_virtual_cam alternatives. The description does not specify contexts, exclusions, or mention checking current state with get_virtual_cam_status.

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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