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jorgeguberte

ChinaRxiv MCP Server

by jorgeguberte

list_subjects

Read-only

Retrieve a list of all subjects available in the ChinaRxiv preprint repository to filter or explore research areas.

Instructions

List ChinaRxiv subjects.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
qNo
limitNo
offsetNo
cache_bustNo
api_emailNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

Annotations provide readOnlyHint and openWorldHint, but the description adds no additional behavioral context, such as data freshness, ordering, or pagination behavior.

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

Conciseness2/5

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

While very short, the description is under-specified for a tool with 5 parameters; it sacrifices necessary detail for brevity.

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 sufficient context for a tool with multiple parameters and an output schema; it does not explain what subjects are or how parameters affect the result.

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

Parameters1/5

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

Schema description coverage is 0%, yet the description does not explain any parameters. Without parameter descriptions, the agent cannot correctly use optional parameters like 'q' or 'limit'.

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?

Description clearly states it lists subjects from ChinaRxiv. While brief, it specifies the resource and action, but does not explicitly distinguish from sibling tools like 'list_publications' or 'list_bulk_exports'.

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; no context about prerequisites or typical use cases.

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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