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, and it discloses nothing: no indication of whether this is read-only, what the "security-guide" produces, whether it mutates project state, or any prerequisites. For a tool with zero annotation coverage this is a complete gap.

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?

It is short, but the brevity comes from under-specification rather than economy: the only content is a repeated identifier and an alias list. No sentence conveys actionable information, so nothing is front-loaded meaningfully.

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, no annotations, and an undocumented enum parameter, the description needed to explain what this guide provides and when it applies. It supplies none of that, leaving the agent unable to use the tool correctly.

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 backendMode has an enum (cloud, self-hosted, local) but 0% schema description coverage, and the description says nothing about it. The agent cannot tell what selecting a backend mode means for a security proxy guide, so the description fails to compensate for the coverage gap.

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 is essentially the tool's own name restated ("swift::security.proxy.rooms") plus a parenthetical "(security-guide)" and a keyword alias list. There is no verb and no statement of what the tool actually does or returns. It is a tautology rather than an explanation.

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?

Nothing indicates when to use this tool versus siblings such as swift::room.bootstrap, swift::integration.plan, or shared::security.proxy.rooms. The alias list (apple, ios, swift, swiftui, uikit) is platform keyword stuffing, not usage guidance.

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