CS_Photo_Total

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

No annotations are provided, so the description carries the full burden. It only states the calculation purpose without disclosing side effects, prerequisites, or limitations (e.g., energy range restrictions).

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 extremely concise with two sentences and a docstring, containing no unnecessary words while covering purpose and arguments.

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 description explains the calculation and parameters, but given the many sibling tools like CS_Photo and CS_Photo_Partial, it lacks differentiation context. The presence of an output schema reduces the need to explain returns, but the description could still be more helpful for selection.

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 coverage is 0%, but the description adds meaning by specifying Z as atomic number 1-120 and E as photon energy in keV, which is essential for correct parameter usage.

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 specific verb 'Calculate' and resource 'total photoionization cross section using Kissel (cm2/g)', distinguishing it from siblings like CS_Photo (partial) and CSb_Photo_Total (bound).

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 alternatives such as CS_Photo or CS_Photo_Partial. There is no mention of exclusions or preferred use cases.

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