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tschoonj

xraylib MCP Server

by tschoonj

CSb_FluorLine_Kissel_Radiative_Cascade

Compute fluorescence line cross section with radiative cascade using Kissel model for any element, line, and photon energy.

Instructions

Calculate the fluorescence line cross section with radiative 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
Behavior2/5

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

With no annotations, the description carries full burden but only describes the calculation, units, and parameters. It does not disclose any side effects, error behavior, permissions, or limitations (e.g., what happens if parameters are out of range), leaving significant behavioral gaps.

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?

The description is brief, with two sentences: the first clearly states the purpose, and the second lists the arguments succinctly. Every sentence is necessary and informative, with no redundancy.

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

Completeness4/5

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

Given the tool has 3 parameters and an output schema, the description adequately covers inputs. However, it does not clarify how this tool relates to similar siblings, which would help in a crowded toolset. The output is not described, but since an output schema exists, that is acceptable.

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

Parameters5/5

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

The description adds essential meaning to all three parameters: Z with range (1-120), line with examples (KL3_LINE, KA_LINE), and E with units (keV). Since schema description coverage is 0%, this fully compensates and provides clear guidance for correct invocation.

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 radiative cascade using Kissel, specifying verb, resource, method, and units. However, it does not differentiate itself from numerous similar sibling tools like CSb_FluorLine_Kissel_Cascade, which could also imply radiative cascade, reducing clarity in distinguishing its exact function.

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 the many alternatives in the sibling list. There is no mention of prerequisites, context, or exclusions, leaving the agent to guess the appropriate selection among similar tools.

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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