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KanonZombie

BizHawk Emulator MCP

by KanonZombie

bizhawk_status

Check the current state of the BizHawk emulator, including whether it is running and the status of the active game.

Instructions

GB-compatible wrapper for emulator_status.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior1/5

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

No annotations are provided, so the description carries the entire burden of behavioral disclosure. The description reveals essentially nothing: whether this is a read-only operation, what it returns, whether it requires an active emulator instance, or what happens when BizHawk is not running. For a status tool with zero annotation coverage, this is a significant transparency gap.

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

Conciseness3/5

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

The description is a single short sentence, which is maximally concise. However, this is under-specification rather than genuine conciseness—it leaves out essential behavioral detail. A one-line description can earn a high conciseness score when it is information-dense (like the TDQS high example), but here the line conveys minimal information about what the tool does.

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

Completeness1/5

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

For a tool with no annotations, no output schema, and no parameter documentation, the description carries full responsibility for completeness. It mentions only that this is a GB-compatible wrapper for emulator_status, which leaves the agent entirely dependent on external knowledge of emulator_status. The description does not explain return format, error behavior, or what 'status' encompasses. This is far from complete for a tool that must stand on its own.

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 tool has 0 parameters, and schema description coverage is 100% (the schema is empty). With no parameters, there is nothing for the description to add semantically. The baseline for a 0-parameter tool is 4, but the description also fails to explain what the status payload contains, so the agent has no idea what to expect from the return. Given there are no params to document, the score is capped slightly below baseline due to missing return-value context.

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

Purpose2/5

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

The description 'GB-compatible wrapper for emulator_status' conveys that it wraps emulator_status for GB compatibility, but it does not state what 'status' actually means, what it returns, or what specific data the agent can expect. It relies on the reader knowing what emulator_status does. It doesn't clearly state the verb+resource semantic. The name 'bizhawk_status' combined with this sparse description leaves the purpose only partially clear. It does distinguish itself as GB-specific among bizhawk_ siblings, but the underlying behavior is opaque.

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 'when to use' guidance is provided. The description implies this is the BizHawk-version of emulator_status but gives no guidance on when to prefer this over the generic emulator_status or the many other emulator_/bizhawk_ tools. There is no mention of prerequisites, context, or exclusions, and no differentiation strategy beyond the GB-compat hint.

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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