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tschoonj

xraylib MCP Server

by tschoonj

CSb_FluorLine

Calculate fluorescence line cross section in barn/atom using atomic number, line name, and photon energy.

Instructions

Calculate the fluorescence line cross section (barn/atom).

Args: Z: Atomic number (1-120) line: Line name, e.g. "KL3_LINE", "KA_LINE", "LA1_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?

No annotations provided. Description is minimal and does not disclose any behavioral traits beyond the basic calculation. No mention of precision, side effects, or assumptions.

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

Conciseness5/5

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

Extremely concise with clear docstring structure. Every sentence adds value with no waste.

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

Completeness3/5

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

Adequate for a simple calculation tool with output schema present. But lacks details on edge cases and differentiation from numerous siblings.

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

Parameters4/5

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

Adds significant meaning: Z is atomic number 1-120, line examples like KL3_LINE, E in keV. This compensates for 0% schema coverage.

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 the tool calculates fluorescence line cross section with units. However, it does not differentiate itself from many similar sibling tools like CS_FluorLine or CSb_FluorLine_Kissel.

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. Missing context about prerequisites or preferred scenarios.

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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