replaceSecurityTLDs

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

With no annotations, the description explicitly discloses the destructive nature ('removes all existing entries'), which is the key behavioral trait. It also adds a safety note. Could mention reversibility or authentication, but given the context, it is fairly transparent.

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?

The description is very concise: two main sentences plus a warning and safety note. No unnecessary words, and the key action is front-loaded.

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 annotations and no output schema, the description covers purpose and behavior adequately. It warns about destruction and limits usage. Could mention return value or confirmation, but overall sufficient for a clear operation.

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 both parameters fully described. The description adds minimal extra meaning (e.g., 'provided list' references body), so 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?

The description clearly states the action ('Replaces'), the resource ('security TLD blocklist'), and scope ('entire'), distinguishing it from siblings like addSecurityTLD (add single) and removeSecurityTLD (remove single).

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 provides explicit warnings about destructive behavior and a safety note restricting use to test profiles, giving clear guidance on when and how to use. However, it does not explicitly mention alternatives like addSecurityTLD for single additions.

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