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

Annotations already declare this is a non-read-only, non-destructive, non-idempotent, closed-world write. The description adds genuinely non-structured facts: the result is ~70% complete, ready to personalise, free of charge, and involves no AI generation. It stops short of saying the CV is persisted immediately or that repeated calls create separate CVs, which matters given idempotentHint=false.

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?

Two sentences: the first defines the artifact and its scope, the second gives the trigger. The em-dash role list is compact and the key qualifiers (70% complete, free, no AI) are front-loaded. Nothing is redundant with the title.

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?

With no output schema, three simple params, and full schema coverage, the description covers what an agent needs to decide and to call it via roleId. Minor gaps remain around what identifier is returned and whether locale should be set explicitly, but the essential decision information is present.

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 100% and roleId/locale are enums with documented defaults, so the schema does the heavy lifting. The description usefully spells out the six role presets in human-readable form, but says nothing about locale selection semantics or templateId, so it adds only modest value beyond the schema.

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?

States a specific verb and resource ("Create a new CV pre-filled") plus the concrete presets covered (driver, warehouse, healthcare assistant, cleaner, retail, food service), so the agent knows exactly what comes back. It does not name the nearest sibling (create_takemeup_cv or run_takemeup_one_click_cv), so the distinction is inferred rather than stated.

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?

"Use when the user needs a CV for one of these roles and has little to start from" gives a clear triggering condition tied to low user input. There is no explicit when-not or named alternative, so an agent facing a user who wants a CV for a non-listed role has to reason it out.

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