type

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

Annotations already declare destructiveHint=true, readOnlyHint=false, openWorldHint=true, and idempotentHint=false, so the safety profile is covered structurally. The description adds nothing beyond that: no mention that typing can destroy/overwrite focus content, no note on the confirmation flow for high-risk actions, no rate or focus prerequisites.

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?

A single short sentence with no filler, front-loaded and easy to scan. It is not padded, though it is arguably too terse rather than maximally economical per unit of information.

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?

For a destructive, open-world input-injection tool with no output schema, the description omits the essentials an agent needs: confirmation_token usage, target-app focus requirements, and any relation to paste_text/type_into. Only the alias relationship to type_text is conveyed.

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 coverage is 75%, near the high-coverage baseline where 3 is standard, but the description supplies zero parameter meaning. In particular the enum'd `method` parameter has no schema description and is not compensated for in the description, and the app-addressing/confirmation-token semantics are left to the schema alone.

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?

"Compatibility alias for type_text" identifies the tool only by reference to a sibling rather than stating verb+resource itself. An agent can infer it types text, but the definition never says what the alias actually does or how (if at all) it differs from type_text at runtime.

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?

No when-to-use, when-not-to-use, or preference guidance is given. Saying it is an alias leaves open whether the agent should prefer type_text or this tool, and no condition or alternative routing is stated.

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