Delete a Pin

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

Goes far beyond annotations by detailing the non-destructive first call, the authoritative response source ('read back from Pinterest, never taken from its 2xx'), the impact on ads, and the zero-credit cost. This is comprehensive behavioral disclosure for a destructive action.

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 longer than average (5 sentences) but every sentence serves a distinct purpose: permanence, two-phase flow, promoted-pin risk, and authoritative response. It is structured logically and front-loads the core purpose, though it could be tightened slightly.

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?

Despite no output schema, the description explicitly states what the unconfirmed call returns (title, saves, impressions, promoted flag) and how to interpret the verdict. It covers prerequisites, side effects, and the safety mechanism—complete for an agent to execute 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?

Schema description coverage is 100% and already explains each parameter, including conditions for confirmName. The description adds the rationale—why confirmName is needed to ensure targeting the correct pin—and explains the flow, providing value beyond the schema.

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 opens with 'PERMANENTLY delete a Pin'—a specific verb, resource, and critical qualifier. It also distinguishes itself from other delete tools by emphasizing the permanence and lack of undo, which is unique to this tool among siblings.

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?

Provides an explicit two-phase workflow: call without confirm to retrieve metadata, then call with confirm and confirmName after user consent. It also states prerequisites ('Needs Pinterest connected') and warns about promoted pins, leaving no ambiguity about when or how to use the tool.

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