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XRootD MCP Server

by eic

list_datasets

Retrieves a list of datasets available in a specified campaign for XRootD file systems.

Instructions

List datasets within a campaign

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
campaignYesCampaign name (e.g., "25.10.2")
recoPathNoPath to RECO directory (default: "RECO")
serverNoName of the XRootD server to use (default: first configured server)
Behavior2/5

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

No annotations provided. The description does not disclose whether the operation is read-only, what is returned (e.g., just names or metadata), or any side effects. For a read tool, minimal behavioral info.

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?

Single sentence, no wasted words. However, it is overly concise and could benefit from slightly more detail without becoming verbose.

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?

Without annotations or output schema, the description should explain what 'datasets' are (e.g., names, metadata) and any constraints. It is too brief for effective use, especially given the three parameters with defaults.

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 description coverage is 100% (all 3 parameters have descriptions in the input schema). The description adds no additional parameter information, so baseline score of 3 is appropriate.

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 'List datasets within a campaign' clearly states the action (list) and the resource (datasets within a campaign). It distinguishes from sibling tools like list_campaigns (which lists campaigns) and list_directory (which lists files).

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 list_directory or search_files. The description lacks context for selection among siblings.

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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