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dmang-dev

mcp-retroarch

retroarch_load_state_current

Load the saved game state from the currently selected slot.

Instructions

Load state from the currently-selected slot. Use retroarch_load_state_slot if you want to load from an explicit numbered slot without changing the current slot pointer.

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. However, it does not disclose behavioral traits such as preconditions (e.g., a game must be loaded), what happens if no save exists, whether the current slot pointer changes, or any error conditions. The description is too brief to inform an agent adequately.

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 two sentences with no wasted words. The primary action is stated first, and the sibling alternative is mentioned second. Very efficient and front-loaded.

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 no parameters, no output schema, and no annotations, the description is somewhat lacking. It covers purpose and usage guidance, but fails to provide necessary context like required state (e.g., game loaded), potential side effects, or error handling. This gap reduces completeness for agent decision-making.

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?

With zero parameters, the schema coverage is 100%. The description does not need to explain parameters; it correctly focuses on the tool's action. According to guidelines, zero parameters earns a baseline of 4.

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 ('Load state') and the specific resource ('from the currently-selected slot'). It also distinguishes itself from the sibling tool `retroarch_load_state_slot` by noting an alternative use case.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly tells when to use this tool versus the sibling: 'Use `retroarch_load_state_slot` if you want to load from an explicit numbered slot without changing the current slot pointer.' This provides clear guidance.

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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