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tschoonj

xraylib MCP Server

by tschoonj

CS_FluorLine_Kissel_no_Cascade

Calculate fluorescence line cross section without cascade using the Kissel model, given atomic number, line name, and photon energy in keV.

Instructions

Calculate the fluorescence line cross section without cascade using Kissel (cm2/g).

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
Behavior2/5

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

With no annotations, the description must provide behavioral details. It only states the basic calculation without cascade, omitting assumptions, limitations, or side effects. For a physics tool, more context about the model and constraints is needed.

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 includes an args list, which is efficient. The structure is clear but could be more formal. Every sentence adds value.

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?

The description lacks explanation of what 'without cascade' means, how this relates to other Kissel-based tools, and what the output is (despite an output schema existing). Given the complexity and many siblings, it is incomplete.

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?

Schema coverage is 0%, so the description adds some meaning: Z range (1-120), line examples (KL3_LINE, KA_LINE), and E in keV. However, it does not fully document valid line names or energy constraints, leaving gaps.

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

Purpose5/5

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

The description clearly states the task: 'Calculate the fluorescence line cross section without cascade using Kissel (cm2/g)'. It specifies the verb, resource, method, and units, distinguishing it from siblings that include cascade or use different methods.

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 on when to use this tool versus alternatives like CS_FluorLine_Kissel (with cascade) or other similar tools. Given the large number of siblings, the lack of usage context makes it difficult for an agent to choose correctly.

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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