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

No annotations are provided, so the description carries the full behavioral burden. It usefully discloses one side effect (the creator becomes admin), but says nothing about auth requirements, slug uniqueness/conflict behavior, privacy defaults, or what happens on failure.

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 efficient sentence with the core action front-loaded and no filler. It is concise rather than padded, though the terseness reflects under-specification rather than deliberate economy.

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 create mutation with no annotations, no output schema, and six undocumented parameters, one sentence is far too thin. It covers the action and one side effect but omits parameter guidance, permissions, and error/conflict behavior.

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?

Six parameters with 0% schema description coverage, and the description adds no meaning for any of them (slug format, name constraints, category, is_private, description, auth_token). With the schema silent and the description silent, an agent cannot know the semantics of the required inputs.

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 ('Crée une nouvelle communauté') and adds the creator-becomes-admin consequence, which distinguishes it from the read/update/delete/join community siblings. It does not name those siblings explicitly, but the create semantics are unambiguous.

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 guidance on when to use this versus join_community, update_community, or the other community tools, and no prerequisites stated. The agent must infer usage entirely from the verb.

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