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

Annotations already establish that this is a safe, idempotent, read-only, non-open-world call, so the safety profile needs no restating. The description adds genuine business context beyond that: a free draft first, payment only if the client likes the result, 24-hour turnaround, and USDT/USDC as the accepted currencies. It does not cover failure modes or partial-availability behavior, which keeps it short of a 5.

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?

It is a single sentence with zero filler and it front-loads the offering before the return contents. The one quibble is that it packs service marketing detail and return-value summary into the same run-on clause rather than separating them, which slightly muddies scanning.

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 simple read-only info tool with one optional enum parameter and no output schema, the description covers what the caller gets back (prices, inclusions, how to order) and the commercial terms that govern any follow-up. What it omits is the handoff to generate_landing_page and the ordering mechanics, so an agent knows what the tool says but not precisely what it does next.

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?

There is a single optional 'language' parameter with a fully documented enum (en/es) and 100% schema description coverage, so the schema already carries the meaning with nothing left to explain. The description adds no syntax, format, or default information for it, which is the expected baseline when the schema does the work.

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 states a specific verb and resource ('Describe the done-for-you service') and spells out the concrete offering: a custom landing page written, designed and published in 24 hours with a free draft and conditional USDT/USDC payment. It is clearly distinguishable from the sibling generate_landing_page, which produces a page rather than describing the offering, though it never names that sibling explicitly.

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?

Usage is implied by the contract of the tool: an agent calls it to learn prices, inclusions and the ordering flow before committing a client. But there is no explicit when-to-use versus when-not-to-use guidance and no reference to generate_landing_page as the next step, so an agent must infer the sequencing itself.

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