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

Annotations already declare readOnlyHint, idempotentHint, destructiveHint=false and openWorldHint=false, so the safety profile is fully covered. The description adds useful content-level behavior, notably that rapporteur-public conclusions appear only 'le cas échéant' (conditionally), but it says nothing about failure behavior for an unknown id or about size/truncation of the returned full text.

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 front-loaded sentence leads with the core action and payload before enumerating fields. The enumeration is long but each item is a real returned field, so little is wasted; splitting into two sentences would read slightly better.

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 one fully-described parameter, complete annotations and an output schema, the definition covers what an agent needs to call it correctly. The only minor gap is not stating behavior when the id is unknown or invalid, but that is peripheral given the structured fields already supplied.

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?

The single parameter is fully documented in the schema, including its format example (CE-465121-20230717) and its provenance from search. The description adds no additional meaning about the id beyond what the schema states, so the baseline 3 for high schema coverage applies.

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 uses a specific verb ("Renvoie") and a concrete resource (the full text of a decision plus its metadata), and enumerates what that metadata includes (juridiction, formation, date, n°, ECLI, Lebon, analyses, official link, rapporteur public conclusions). It is clearly a full-record retrieval tool, distinguishable from a search by the 'integral text' framing, but it never names a sibling such as search or rechercher_jurisprudence, so differentiation is left implicit.

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?

There is no explicit when-to-use or when-not-to-use statement, and no alternative is named. The usage path is only implied by the tool name combined with the schema note that the id comes 'from search', which an agent can infer but must reconstruct itself.

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