create_conversion

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

The description adds valuable context beyond the 'destructiveHint: true' annotation by specifying that it returns a conversion ID and label for GTM setup, which clarifies the output format and practical use. However, it does not detail potential side effects, authentication needs, or rate limits.

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 front-loaded with the core purpose in the first sentence and adds practical output details in the second, with zero wasted words. It is appropriately sized for the tool's complexity.

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 moderate complexity (3 parameters, destructive operation), the description is complete enough with purpose, output details, and annotations covering safety. However, without an output schema, it could benefit from more detail on return values or error cases, though the GTM setup context helps.

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?

With 100% schema description coverage, the input schema fully documents the three parameters (name, value, category) and their semantics. The description does not add any additional meaning beyond what the schema provides, such as examples or constraints, meeting the baseline for high schema coverage.

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 specific action ('Create a conversion action'), the target resource ('in Google Ads'), and the outcome ('Returns the conversion ID and label for GTM setup'). It distinguishes from sibling tools like 'list_conversions' by focusing on creation rather than listing.

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 for setting up Google Tag Manager (GTM) with Google Ads conversions, but does not explicitly state when to use this tool versus alternatives like 'list_conversions' or other campaign creation tools. No exclusions or prerequisites are mentioned.

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