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

Since no annotations are provided, the description fully carries the burden of behavioral disclosure. It clearly states the irreversible nature, the ability to delete expired databases, zero quota consumption, and the two-step confirmation process. It also instructs on post-action cleanup (remove the db URL). This is comprehensive and leaves no ambiguity about the tool's effects.

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 concise with no superfluous sentences. It front-loads the purpose ('Destroy a database...'), provides key usage guidance, and ends with actionable instructions. Every sentence earns its place without redundancy.

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 the tool's irreversible destructive nature, the absence of annotations and output schema, the description is remarkably complete. It explains behavior, parameter semantics (with the two-step process), edge cases (expired databases, quota), and post-invocation actions. No critical information is missing.

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%, so the baseline is 3. The description adds meaningful nuance: it explains that 'db' is the URL from creation or a bare capability, and it details the 'confirm' parameter's role in the two-step process, including the need for user approval. This extra context justifies a score above baseline, though the schema descriptions themselves are already clear.

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 uses specific verbs ('Destroy', 'irreversible') and clearly identifies the resource ('database and all its documents'). It effectively distinguishes this tool from siblings by emphasizing the scope (whole database vs. collection/document) and the immediacy/irreversibility.

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 explicitly states when to use this tool ('teardown for finished work', 'revocation kill switch') and when it applies (including expired databases). It also provides a critical usage pattern: call without confirm first, show consequences, then retry with confirm='true' after user approval. However, it does not explicitly contrast with sibling tools like delete_collection or delete_document, leaving some ambiguity about when those are more appropriate.

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