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

readOnlyHint=true already tells the agent this is a safe read, so the description's main addition is the GET /api/v1/app mapping. It says nothing about paging semantics, default page size behavior, or what a page actually contains, which is the behavior an agent most needs here.

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 short sentences with the resource and its domain alias front-loaded, followed by the underlying REST route. Nothing is wasted.

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 is the only place the return shape could be explained, and it never says a page of application objects plus an iterator is returned. Paging is implied only through the parameter descriptions, leaving a modest gap for a paginated list tool.

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% with per-parameter descriptions (limit range and default, order enum, iterator cursor, endpoint filter), so the schema carries parameter meaning. The description adds no parameter detail beyond what is already documented.

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 (List) and resource (applications), and usefully disambiguates Svix jargon by equating applications with tenants/customers. It does not explicitly contrast itself with svix_get_application, but the list-vs-get distinction is unambiguous from the verb.

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 choose this over svix_get_application, or on how pagination should be driven (iterator/limit/order). The REST endpoint mapping is descriptive, not prescriptive. An agent must infer usage from the name alone.

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