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

Annotations already declare non-read-only, non-idempotent, non-destructive and open-world, so the safety profile is covered. The description adds genuinely useful behavior the annotations do not: the admin_key is shown only once (an irrecoverable secret), and the returned gateway base URL is what apps must call instead. Auth requirements and rate limits remain undisclosed.

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, zero filler, and the core action is front-loaded ahead of the return-value detail. Every clause earns its place.

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, the description carries the return-value burden and does so well (project_id, one-time admin_key, gateway base URL). What remains thin is setup context — no mention of auth requirements or follow-up steps such as registering apps against the new project.

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%, so the schema already documents all four parameters including the https-only upstream constraint and the encrypted header_value. The description adds no parameter syntax or format detail beyond reinforcing the HTTPS upstream requirement, so the baseline of 3 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?

States a concrete action (put Odile Gate in front of an existing HTTPS API) and names the three artifacts produced. An agent can tell this is the project-creation entry point rather than an app/approver mutation, though no sibling is named 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?

The phrase 'in front of an existing HTTPS API' implies the prerequisite context (an HTTPS upstream must already exist), but there is no explicit when-to-use statement, no ordering guidance relative to gate_add_app, and no exclusions.

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