make_call

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

No annotations are provided, so the description carries full burden. It mentions 'Make a call' implying a write/mutation operation but doesn't disclose behavioral traits like authentication needs, rate limits, side effects, or what 'Response data' entails. This is inadequate for a tool with potential telephony implications.

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 sized and front-loaded with the purpose, followed by structured sections for Args and Returns. It avoids unnecessary fluff, though the 'Returns' section is vague ('Response data'), which slightly reduces efficiency.

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?

Given the complexity (telephony call tool with nested objects), no annotations, no output schema, and low schema coverage, the description is incomplete. It lacks details on behavioral context, full parameter coverage, and output specifics, making it insufficient for reliable agent use.

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%, and the input schema has a single nested object 'request' with no details. The description adds parameter semantics for 'to', 'from_', and 'connection_id', explaining their roles, but it doesn't cover the 'request' object or other potential parameters, failing to compensate for the low schema coverage.

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 states the tool's purpose ('Make a call') which is a clear verb+resource, but it's vague about what type of call (e.g., voice, SIP, telephony) and doesn't distinguish from sibling tools like 'start_assistant_call' or 'transfer'. It provides basic functionality but lacks specificity.

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?

No guidance on when to use this tool versus alternatives like 'start_assistant_call' or 'transfer' is provided. The description only lists parameters without context about prerequisites, scenarios, or exclusions, leaving the agent to infer usage.

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