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

Annotations already mark this as a read-only, non-destructive, non-open-world tool. The description adds substantial behavioral context beyond that: lifecycle status semantics, the postable/active posting rule, warming fields, cached analytics with refresh cadence, posting constraints, and that the tool is free.

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 what the tool lists, then adds necessary return-shape detail because no output schema exists. Every sentence contributes useful information, and the single dense paragraph remains efficient.

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?

With no output schema and only read-only annotations, the description carries the load well: it explains account lifecycle, postability, warming progress, cached analytics, posting metadata, and cost. An agent has enough context to call and interpret the tool 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?

There are zero input parameters, so the description appropriately adds no parameter semantics. Baseline for a no-parameter tool is 4; the detail instead explains return fields, not call parameters.

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 and resource: list managed accounts, and clarifies these are accounts VidGuy operates on the user's behalf. It does not explicitly distinguish itself from close siblings like get_managed_account or get_managed_accounts_pulse, so it is clear but not fully sibling-differentiating.

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 by explaining that only accounts with postable=true can receive posts, which helps an agent decide when the list matters. However, it gives no explicit when-to-use guidance or alternatives such as get_managed_account or get_managed_accounts_pulse, so usage is only implied.

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