Get account custom actions

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

Annotations already declare readOnlyHint=true and openWorldHint=true, so the safety profile is covered. Beyond that, the description adds only the internal method name 'WithFields', which hints that field definitions accompany each action but is never explained; there is no mention of pagination, result volume, or remote-system behavior implied by openWorldHint.

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?

A single short sentence with the operation front-loaded and no filler. The leading internal method name is minor noise that does not crowd out the substantive content.

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?

For a one-parameter, read-only list tool with no output schema and full annotation coverage, the bar is low and the description is minimally sufficient. It still leaves the agent guessing about the 'WithFields' payload shape and whether results are paginated.

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?

There is one parameter with 100% schema description coverage, so the schema already documents accountId as the ALSO Cloud Account ID. The description adds no further meaning about the identifier, which is the expected baseline when the schema does the work.

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?

States a specific verb (list) and resource (custom actions) with account scoping, which distinguishes it from the sibling execute_account_custom_action that performs rather than lists. However, it says 'for a subscription' while the only parameter is accountId, introducing ambiguity about the actual scope, and it never names the execute sibling explicitly.

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?

No guidance on when to use this versus execute_account_custom_action or the other account retrieval tools. It omits any preconditions, such as whether actions must be fetched before they can be executed.

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