gtm_gtag_config

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

No annotations are provided, so the description carries full burden. It only states the operations and pagination for list, but lacks disclosure of destructive behavior, idempotency, authorization needs, or side effects for actions like update or remove.

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 extremely concise with only two sentences. The first sentence introduces the tool's purpose, and the second adds a key pagination detail. Every word is necessary and 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 the complexity (9 parameters, nested objects, no output schema), the description is insufficient. It does not explain action-specific required parameters, the meaning of fields in createOrUpdateConfig, or how responses vary by action. The schema covers parameter descriptions, but operational context 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 description coverage is 100%, so baseline is 3. The description adds minimal value beyond the schema, only reiterating that the tool performs operations and that list uses pagination. It does not clarify parameter interdependencies or action-specific requirements.

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 tool performs all Google tag config operations: create, get, list, update, remove. It also specifies list pagination behavior, distinguishing it from siblings like gtm_tag or gtm_trigger which operate on different resources.

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 lists the supported actions, making it clear this tool is for Google tag config CRUD. However, it does not provide guidance on when to use alternatives or exclusions, such as when to use other GTM tools for related resources.

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