update_backup_account

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

No annotations are provided, so the description carries the full behavioral burden and delivers nothing. It does not state whether the update is partial or full-replacement, what happens to omitted fields like isDefault, whether credentials must be re-supplied, or what permissions are required for a mutation tool.

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?

It is short, but this is under-specification rather than conciseness — the single phrase carries no payload beyond the tool name. Brevity here costs the agent all actionable information.

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?

A four-parameter mutation tool with a nested object, zero schema descriptions, no annotations, and no output schema has all of its documentation burden on the description, which supplies none of it. Nothing an agent needs in order to invoke this correctly is present.

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 0% across four parameters (name, type, vars, isDefault), with 'vars' being an untyped nested object. The description supplies no meaning for any of them, leaving the agent to guess what 'vars' should contain and what 'type' enumerates.

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 'Update backup account' only restates the tool name and title, adding no scope, target, or distinguishing detail. An agent cannot tell from this text what fields are updatable or how it differs from create_backup_account, delete_backup_account, or check_backup_account.

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?

There is no explicit when-to-use guidance, no prerequisites, and no reference to the surrounding backup-account siblings. The verb 'update' weakly implies modifying an existing account rather than creating or deleting one, but that inference comes from the name alone, not the description.

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