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tschoonj

xraylib MCP Server

by tschoonj

CSb_FluorLine_Kissel_Cascade

Calculate fluorescence line cross section with full cascade using Kissel model, given atomic number, line name, and photon energy in keV.

Instructions

Calculate the fluorescence line cross section with full cascade using Kissel (barn/atom).

Args: Z: Atomic number (1-120) line: Line name, e.g. "KL3_LINE", "KA_LINE" E: Photon energy in keV

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
EYes
ZYes
lineYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

No annotations are provided, so the description carries full burden. It discloses the calculation purpose and units, implying a pure read operation. However, it does not explicitly state that the tool is non-destructive or any other behavioral traits. For a computation tool, this is minimally adequate but lacks explicit safety guarantees.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is short and front-loaded with the purpose. The Args section is clear. It could be more concise by removing the args header and integrating into the sentence, but overall it is efficient and easy to parse.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the large number of similar siblings (e.g., CS_FluorLine_Kissel_Cascade, CSb_FluorLine_Kissel, etc.), the description fails to explain what 'full cascade' means or the difference between 'b' and non-'b' versions. It does not mention what the tool returns (though an output schema exists). The description is insufficient for an agent to correctly differentiate and invoke this tool over others.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema has 0% description coverage, so the description must compensate. It briefly describes Z (1-120), line (with examples), and E (keV). This adds meaning beyond type/title but lacks details like valid ranges for E or exact format for line. It helps but is incomplete.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it calculates fluorescence line cross section with full cascade using Kissel in barn/atom. It identifies the resource (cross section) and verb (calculate). However, it does not distinguish this tool from siblings like CS_FluorLine_Kissel_Cascade (without 'b') or other variants, leaving the agent unsure which to use.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

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. The description does not mention when to use cascade vs non-cascade, or the significance of the 'b' prefix. Without context, the agent may select incorrectly.

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

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