replaceDenylist

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

Explicitly warns that the operation removes all existing entries, which is a destructive side effect. No annotations provided, so description carries the full burden. Also restricts usage to test profiles.

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 concise sentences plus a warning and safety note. No redundant information, front-loaded with key 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?

Covers essential behavioral aspect and usage restriction. With good schema, no output schema needed. Slightly more guidance on when not to use would improve completeness.

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 both parameters. Description adds little beyond schema, only mentioning 'list of domains' while schema details the structure. Baseline 3 is appropriate.

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?

Clearly states 'Replaces the entire denylist with the provided list of domains', specifying the verb and resource. Differentiates from siblings like addToDenylist or removeFromDenylist by emphasizing replacement.

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?

Includes a warning about removing all existing entries and a safety note to use only with designated test profiles. Provides clear context but does not explicitly mention alternatives.

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