transfer

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It states the basic action but does not explain side effects, such as what happens to the original call after transfer, whether the transfer is blind or attended, or any permissions needed. This is insufficient for a mutating telephony 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 concise and structured in a docstring format with Args and Returns sections. It is front-loaded with the core purpose and avoids fluff, though repeating 'Required' for each argument adds slight 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?

The tool lacks output schema and annotations, so the description should provide richer context. It only gives a generic 'Dict[str, Any]' return type and omits important context like the need for an active call, how to obtain the call_control_id, or what a successful transfer entails. This is incomplete for a complex call-control operation.

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 is a generic 'request' object with no property details (0% schema coverage), so the description must compensate. It lists 'call_control_id', 'to', and 'from_' with minimal descriptions, but does not clarify how these map to the schema's nested 'request' object, nor provide types or formats. This partial compensation is not enough.

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 ('Transfer a call to a new destination') and identifies the target resource (a call) and its destination. While it does not explicitly distinguish itself from sibling tools, 'transfer' is a distinct operation in the telephony context and is not ambiguous.

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 offers no guidance on when to use this tool versus alternatives like 'make_call' or 'hangup'. It lists required arguments but does not explain prerequisites (e.g., call must be active) or contexts where this tool is appropriate.

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