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MCP PDF Reader

MCP PDF Reader

by a3339530357
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
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ocr-pdf-legacy

Extract text from scanned PDFs using Baidu OCR API. Specify pages, language, and processing options to convert images to searchable text.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "file": "<file>",
      "api_key": "<api_key>",
      "secret_key": "<secret_key>"
    },
    "name": "ocr-pdf-legacy"
  }
}

Input Schema

NameRequiredDescriptionDefault
fileYesPDF 文件路径
api_keyYes百度 OCR API Key
secret_keyYes百度 OCR Secret Key
pagesNo页码范围（如 '1-3', '1,3,5', 'all'），默认 '1'（仅第一页）
language_typeNo语言类型，默认 CHN_ENG
detect_directionNo是否检测图像方向，默认 false
detect_languageNo是否检测语言，默认 false
paragraphNo是否输出段落信息，默认 false

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

D1/5.0
Behavior1/5

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

Tool has no description.

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

Conciseness1/5

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

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

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?

Tool has no description.

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

Purpose1/5

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

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

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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