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flyanima

Open Search MCP

by flyanima

search_arxiv

Search arXiv for academic papers using a custom query and limit the results to a specified number.

Instructions

Search arXiv for academic papers

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
queryYesSearch query
maxResultsNoMaximum results to return
Behavior2/5

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

With no annotations, the description should disclose behavioral traits like search fields, sorting, or rate limits, but it provides none. The agent lacks essential information about how the search is performed.

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?

The description is extremely short (7 words), but it is under-specified rather than concise. It does not front-load key information or structure content for quick scanning.

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?

Given the lack of output schema and only two parameters, the description should explain what results look like or any arXiv-specific features. It is too sparse to be minimally complete.

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% (both parameters have descriptions). The tool description does not add extra meaning beyond the schema descriptions, which are minimal (e.g., 'Search query'). Baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose3/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states it searches arXiv for academic papers, but it does not differentiate from sibling tools like search_pubmed or search_biorxiv, which also search academic repositories.

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 such as search_semantic_scholar or search_ieee. There is no mention of prerequisites or context.

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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