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yokingma

OneSearch MCP Server

by yokingma
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TypeScript
Hybrid

one_extract

Fetches and preprocesses page content from multiple URLs, returning cleaned text blocks for downstream tools or models.

Instructions

Fetch and preprocess page content from one or more URLs. Returns cleaned text blocks that can be passed to downstream tools or models.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
urlsYesList of URLs to extract information from

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed8 schema fields changedv1.2.1
    • addedInput schema / $schema
      Added value: +"http://json-schema.org/draft-07/schema#"
    • addedInput schema / additionalProperties
      Added value: +false
    • removedInput schema / properties / allowExternalLinks
      Removed value: -{
-  "description": "Allow extraction from external links",
-  "type": "boolean"
-}
    • removedInput schema / properties / enableWebSearch
      Removed value: -{
-  "description": "Enable web search for additional context",
-  "type": "boolean"
-}
    • removedInput schema / properties / includeSubdomains
      Removed value: -{
-  "description": "Include subdomains in extraction",
-  "type": "boolean"
-}
    • removedInput schema / properties / prompt
      Removed value: -{
-  "description": "Prompt for the LLM extraction",
-  "type": "string"
-}
    • removedInput schema / properties / schema
      Removed value: -{
-  "description": "JSON schema for structured data extraction",
-  "type": "object"
-}
    • removedInput schema / properties / systemPrompt
      Removed value: -{
-  "description": "System prompt for LLM extraction",
-  "type": "string"
-}
  2. First observed

TDQS

A3.5/5.0
Behavior2/5

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

No annotations provided, so description carries full burden. 'Returns cleaned text blocks' hints at preprocessing but does not detail cleaning steps, error handling, or auth needs.

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?

Two concise sentences, front-loaded with action, then output. No wasted words.

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?

For a simple tool (1 param, no output schema), description adequately covers purpose and output. Lacks details on cleaning specifics, error handling, or limits.

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

Parameters4/5

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

Schema covers parameter with 100% coverage. Description adds value by specifying preprocessing and output type ('cleaned text blocks'), going beyond schema's 'extract information'.

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?

Description clearly states the verb 'fetch and preprocess' and the resource 'page content from URLs'. Differentiates from siblings: one_map, one_scrape, one_search.

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 explicit when-to-use or when-not-to-use guidance. Mentions downstream use but lacks context for choosing over 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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