call_tool

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

No annotations are provided, and the description does not disclose any behavioral traits such as return value, side effects, rate limits, or error handling. For a tool that invokes other tools, this lack of transparency is a significant gap.

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 consists of two sentences with no redundant or irrelevant information. It is tightly written and front-loads the core purpose.

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?

Despite the simple schema, the tool is a meta-tool that executes others. The description fails to explain the return value (the called tool's output) or address error conditions, prerequisites, or synchronization behavior. This leaves the agent without crucial context.

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?

The input schema has 100% description coverage on both parameters ('name' and 'arguments'), so the schema already defines their purpose. The description adds no extra meaning beyond 'with the given arguments,' resulting in a baseline score of 3.

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 action ('call') and the resource ('tool'), and distinguishes from sibling tools like discover_tools and execute_batch by specifying it executes tools discovered via search_tools. The purpose is unambiguous.

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 advises to use this tool after discovering tools via search_tools, providing some context. However, it does not explicitly state when not to use it (e.g., for batch operations) or mention alternative tools like execute_batch. The guidance is minimal.

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