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

With no annotations, the description carries the full burden and does so thoroughly: double opt-in, non-immediate publication, no artisan contacted until confirmation, 48-hour link validity, the email must belong to the end client (not the agent), and the agent has no access to the client's space. These are exactly the behavioral traits an agent could not infer otherwise.

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 critical constraint ("IMPORTANT : la demande n'est PAS publiee immediatement") is front-loaded, which is good, but the text contains an editing artifact — "La description doit faire au moins 20 caracteres" — that is pure noise and slightly damages trust in the rest of the content.

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 6-parameter mutation tool with no annotations and no output schema, the description covers the write's side effects, the confirmation flow, the required email semantics, and what the return value is used for. It does not cover authentication/authorization needs or failure modes (duplicate requests, invalid category slug), which would round it out.

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 100%, so the baseline is 3, but the description adds real semantic linkage: `answers` uses question `id`s and option `value`s from list_categories, and the returned `requestId` feeds get_request. It also stresses that `email` is the end client's address and is mandatory, reinforcing rather than duplicating 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?

The description opens with a specific verb and resource ("Cree une demande de devis Fixou au nom du client final") and implicitly frames it against get_request, which is named at the end. An agent knows exactly what is being created and on whose behalf without opening the schema.

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?

It clearly describes the context of use, names list_categories as the source of slugs and answers, and prescribes the follow-up action (invite the user to check email and click the link). It stops short of explicit exclusions or a direct when-to-use comparison with get_request, so it is clear guidance rather than a complete routing rule.

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