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KanonZombie

BizHawk Emulator MCP

by KanonZombie

bizhawk_create_baseline

Save a named baseline state in Game Boy emulation to establish a known starting point, enabling reproducible testing or comparison of emulator behavior from a consistent save state.

Instructions

GB-compatible alias for saving a named baseline state.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
Behavior2/5

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

With no annotations provided, the description carries full burden for behavioral disclosure. It mentions 'alias' and 'GB-compatible' but doesn't explain what happens on save, whether it overwrites an existing baseline with the same name, whether it requires an active ROM loaded, or any side effects. For a state-saving mutation, this is insufficient disclosure.

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

Conciseness4/5

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

The description is one short sentence with no wasted words. However, the use of the term 'alias' is potentially confusing and slightly under-explains. Still, for brevity it scores well.

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?

This is a state-mutation tool with no annotations and no output schema, but the description provides only a terse one-liner. It doesn't address the important relationship to the emulator_create_baseline sibling, what 'GB-compatible' means operationally, error conditions, or the save behavior. For a tool setting a persistent baseline state, the description is inadequate.

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?

Only one parameter 'name' exists, and the description tells us it's the baseline's name, which is a minimal match to the schema. However, with 0% schema description coverage, the description is the sole source, and it doesn't clarify naming constraints (e.g., unique? overwrite behavior on name collision? character restrictions?). The description adds only the most basic meaning.

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

Purpose3/5

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

The description states it creates a named baseline state but describes it as a 'GB-compatible alias'. It doesn't clearly specify what a 'baseline' is relative to the sibling emulator_create_baseline, and the term 'alias' implies it maps to another tool without explaining how or why this GB-specific version differs. The purpose is partially clear but the 'alias' framing creates ambiguity.

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 vs emulator_create_baseline or bizhawk_load_baseline. The sibling list includes both emulator_create_baseline and bizhawk versions, but the description doesn't clarify the relationship between them, which GB variant means, or when one should be preferred over the other.

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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