http_auth

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

Annotations provide basic hints (readOnlyHint=false, destructiveHint=false, idempotentHint=true). The description adds valuable context: credentials are stored in-memory only, browser-wide. This is consistent with annotations and improves understanding beyond them.

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 sentence that captures verb, resource, scope, and key constraints. No wasted words, front-loaded with the core action.

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?

Given no output schema, the description adequately covers purpose, scope, and parameter dependencies. It could mention that credentials apply to all requests (global) or note potential security considerations, but for a simple set/clear tool, it is largely complete.

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 clear descriptions for all three parameters. The description reinforces the action enum and indicates username/password are required for action=set. This adds marginal clarity, but the schema already does the heavy lifting.

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 clearly states the action (set/clear), the resource (credentials for HTTP Basic/Digest auth dialogs), and the scope (browser-wide, in-memory only). It is specific and distinct from sibling tools, which are unrelated to auth.

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 description implies usage context ('for HTTP Basic/Digest auth dialogs'), providing clear context. It does not explicitly mention when not to use or alternatives, but the context is sufficiently narrow given the diverse sibling list.

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