binja.call

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

With no annotations provided, the description must disclose behavioral traits, but it only states it is a 'Generic API bridge' without mentioning side effects, authentication needs, rate limits, or error handling. The user cannot infer whether this tool can mutate state or is read-only.

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 very short (two phrases), which aligns with conciseness. However, it is too brief for a complex tool with four parameters and no annotations, sacrificing completeness for brevity.

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 high complexity (4 params, nested objects, no output schema) and the presence of many specialized sibling tools, the description is incomplete. It fails to explain return values, error handling, session requirements, or how to construct correct targets.

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%, so the description must compensate, but it only explains the 'target' parameter. The 'args' and 'kwargs' parameters are utterly ambiguous despite being critical for usage. 'session_id' is not mentioned. Baseline 4 would require more, but 3 reflects mild compensation.

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 specifies that the tool is a 'Generic API bridge' that calls a 'bn.* or bv.* target path', which clearly identifies the verb (call) and resource (API endpoints). It distinguishes itself from sibling tools by suggesting low-level API access rather than specific operations.

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 is provided on when to use this tool versus the many sibling tools that offer more specific, safer operations. The description does not warn against using it when a specialized tool exists, nor does it explain prerequisites like requiring an active session.

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