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xraylib MCP Server

by tschoonj

CosKronTransProb

Retrieve the Coster-Kronig transition probability for a specified atomic number and transition name.

Instructions

Get the Coster-Kronig transition probability.

Args: Z: Atomic number (1-120) trans: Transition name, e.g. "FL13_TRANS", "FM15_TRANS"

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
ZYes
transYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

Since no annotations are provided, the description carries the full burden. It implies a read-only computation, but does not explicitly state non-destructiveness or safety. The parameter constraints (Z range 1-120) add minimal transparency.

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 extremely concise with two sentences, front-loading the purpose. Every word is informative; no extraneous content.

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?

The tool has an output schema (not shown), so return values are presumably documented there. The description covers inputs adequately for a simple probability getter, but lacks details on output format or units. It is sufficient but not thorough.

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?

With 0% schema description coverage, the description adds value by specifying Z's range (1-120) and providing example transition names. However, it does not enumerate or explain all possible transitions, so it partially compensates.

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 tool retrieves the Coster-Kronig transition probability, using specific verb 'Get' and resource. This distinguishes it from sibling tools like LineEnergy or FluorYield.

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 over alternatives (e.g., RadRate or AugerYield) or context for valid transitions. The description merely states the function without usage conditions.

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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