mcp-qemu-lab

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It states the action ('Continue execution') but doesn't explain what happens during continuation (e.g., whether it resumes until a breakpoint, timeout, or error), what the output contains, or any side effects. This leaves significant gaps for a debugger operation.

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

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

The description is a single, efficient sentence with no wasted words. It's front-loaded with the core action, making it easy to scan and understand quickly.

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

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

Given the complexity of debugger operations and lack of annotations, the description is minimally adequate but incomplete. It states the basic purpose but misses details on behavior, parameters, and usage context. The presence of an output schema helps, but the description doesn't leverage it to explain return values or outcomes.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, so the description must compensate for undocumented parameters. It adds no meaning beyond the schema—no explanation of what 'session_id' refers to (e.g., an active debug session) or what 'timeout_sec' controls (e.g., maximum wait time). This fails to address the coverage gap.

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

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

The description clearly states the verb ('Continue execution') and resource ('for debugger session'), making the purpose understandable. However, it doesn't distinguish this tool from its sibling debugger tools like debugger_attach or debugger_set_breakpoint, which prevents a perfect score.

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

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. There's no mention of prerequisites (e.g., needing an active debugger session), when not to use it, or how it relates to sibling tools like debugger_detach or debugger_read_registers.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.