db_create_connection_pool

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

Annotations are absent, so the description carries the full burden, but it only says 'Create a new connection pool' and 'Returns: Created connection pool information.' It does not disclose side effects, required permissions, idempotency, or failure conditions, which are important for a mutation operation.

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 appropriately brief, starts with the purpose, and uses clean Args/Returns sections. Every line contributes useful information with no redundancy.

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 an output schema present and all parameters well described, the agent has enough to make the call. However, it lacks usage context, prerequisites (e.g., existing database and user), and any note on size limits or naming constraints, so it is only minimally complete.

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%, yet the description documents all six parameters with clear meanings, including the allowed mode values 'session, transaction, statement.' This fully compensates for the silent schema and enables correct invocation.

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 opens with 'Create a new connection pool,' which specifies a clear verb and resource. It distinguishes itself from sibling tools like db_create and db_create_read_replica by explicitly targeting connection pools.

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 guidance on when to use this tool versus alternatives such as db_list_connection_pools, db_update_connection_pool, or db_delete_connection_pool. The description does not mention any prerequisites or conditions, so an agent is left to infer the appropriate context.

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