Pdf4vllm

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Summary

Adds three PDF tools to Claude: list_pdfs for finding files with glob patterns, read_pdf for extracting content as ordered blocks, and grep_pdf for text search. The smart bit is corruption detection. It tries text extraction first, then automatically switches to image mode when it hits encoding garbage or mangled output. You can force text_only or image_only modes, configure page limits to avoid token explosions, and it filters out junk images like logos and headers. Returns JSON with page numbers and content blocks in reading order. Install via pip or uvx, then point Claude Desktop at the server.py script. Requires pdfgrep if you want the search tool.

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pdf4vllm

PDF reading MCP server optimized for vision LLMs.

한국어

문제

방식	문제점
텍스트 추출	인코딩 깨짐 → 쓰레기 출력, 이미지-텍스트 순서 뒤섞임
이미지 변환	토큰 폭발 (특히 페이지 많을 때)

해결

pdf4vllm은 PDF가 지저분하다고 가정합니다.

텍스트 손상 자동 감지 → 이미지로 자동 전환
읽기 순서 보존 (텍스트 → 표 → 이미지 블록 순서대로)
페이지 제한으로 컨텍스트 오버플로우 방지
불필요한 이미지 자동 필터링 (로고, 선, 헤더/푸터)

설치

pip install pdf4vllm-mcp
# 또는
uvx pdf4vllm-mcp

Claude Desktop 설정

git clone https://github.com/PyJudge/pdf4vllm-mcp.git
cd pdf4vllm-mcp
python scripts/install_mcp.py

또는 직접 설정 (~/Library/Application Support/Claude/claude_desktop_config.json):

{
  "mcpServers": {
    "pdf4vllm": {
      "command": "/python/경로",
      "args": ["/pdf4vllm-mcp/경로/src/server.py"]
    }
  }
}

도구

도구	설명
`list_pdfs`	PDF 파일 찾기 (glob 패턴 `name_pattern` 지원)
`read_pdf`	PDF 내용 블록으로 추출
`grep_pdf`	PDF 내 텍스트 검색 (`pdfgrep` 설치 필요)

추출 모드

모드	설명
`auto` (기본)	텍스트 추출 시도 → 손상 감지 시 이미지로 전환
`text_only`	텍스트/표만 추출, 이미지 없음
`image_only`	페이지를 이미지로만 렌더링

Problem

Approach	Issue
Text extraction	Encoding corruption → garbage output, mixed text-image ordering
Image conversion	Token explosion (especially with many pages)

Solution

pdf4vllm assumes PDFs are messy.

Auto-detects text corruption → switches to image automatically
Preserves reading order (text → table → image blocks in sequence)
Page limits prevent context overflow
Filters unnecessary images (logos, lines, headers/footers)

PDF Input
    ↓
Corruption Detection (pdfminer.six + pattern analysis)
    ↓
┌─────────────┬─────────────┐
│  Corrupted  │    Clean    │
│  → Image    │  → Text +   │
│    only     │    Tables + │
│             │    Images   │
└─────────────┴─────────────┘
    ↓
Ordered Blocks (JSON)

Install

pip install pdf4vllm-mcp
# or run without installing
uvx pdf4vllm-mcp

Claude Desktop Setup

git clone https://github.com/PyJudge/pdf4vllm-mcp.git
cd pdf4vllm-mcp
python scripts/install_mcp.py

Or manually edit ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "pdf4vllm": {
      "command": "/path/to/python",
      "args": ["/path/to/pdf4vllm-mcp/src/server.py"]
    }
  }
}

Claude Code Setup

Create .mcp.json in your project:

{
  "mcpServers": {
    "pdf4vllm": {
      "command": "uvx",
      "args": ["pdf4vllm-mcp"]
    }
  }
}

Tools

Tool	Description
`list_pdfs`	Find PDF files with glob filtering (`name_pattern`)
`read_pdf`	Extract PDF content as ordered blocks
`grep_pdf`	Search text in PDFs using pdfgrep (requires `pdfgrep` installed)

Extraction Modes

Mode	Description
`auto` (default)	Try text extraction → switch to image if corrupted
`text_only`	Text/tables only, no images
`image_only`	Render pages as images only

Output Format

{
  "pages": [
    {
      "page_number": 1,
      "content_blocks": [
        {"type": "text", "content": "..."},
        {"type": "table", "content": "| A | B |"},
        {"type": "image", "content": "[IMAGE_0]"}
      ]
    }
  ]
}

When text is corrupted:

{
  "page_number": 2,
  "content_blocks": [],
  "text_corrupted": true,
  "page_image": "[IMAGE_1]"
}

Configuration

config.json or environment variables:

{
  "max_pages_per_request": 10,
  "max_image_dimension": 842,
  "page_image_dpi": 100
}

export PDF_MAX_PAGES=20
export PDF_PAGE_IMAGE_DPI=150

Test Server

pip install pdf4vllm-mcp[test]
python test_server.py
# → http://localhost:8000

License

MIT

GitHub · PyPI

Featured

CodeRabbit

AI writes the code. CodeRabbit catches the slop.

Try For Free →

inference shell

create and run specialised agents in minutes

build now →

MCP-ready Email Sending

Plug Mailtrap into your AI workflow and let it handle the email.

Connect Mailtrap MCP →

Make your agent a DeFi expert

Agent, run crypto. Access onchain data & trade routes via 1inch.

Install now →

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Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.

Try For Free →

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Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.

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Give your AI the whole web as clean markdown

Integrate web data into your AI product. One API to scrape website & brand data.

Get API Key Now →

belt - the only tool your agent needs

belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...

one prompt install →

pdf4vllm

PDF reading MCP server optimized for vision LLMs.

한국어

문제

방식	문제점
텍스트 추출	인코딩 깨짐 → 쓰레기 출력, 이미지-텍스트 순서 뒤섞임
이미지 변환	토큰 폭발 (특히 페이지 많을 때)

해결

pdf4vllm은 PDF가 지저분하다고 가정합니다.

텍스트 손상 자동 감지 → 이미지로 자동 전환
읽기 순서 보존 (텍스트 → 표 → 이미지 블록 순서대로)
페이지 제한으로 컨텍스트 오버플로우 방지
불필요한 이미지 자동 필터링 (로고, 선, 헤더/푸터)

설치

pip install pdf4vllm-mcp
# 또는
uvx pdf4vllm-mcp

Claude Desktop 설정

git clone https://github.com/PyJudge/pdf4vllm-mcp.git
cd pdf4vllm-mcp
python scripts/install_mcp.py

또는 직접 설정 (~/Library/Application Support/Claude/claude_desktop_config.json):

{
  "mcpServers": {
    "pdf4vllm": {
      "command": "/python/경로",
      "args": ["/pdf4vllm-mcp/경로/src/server.py"]
    }
  }
}

도구

도구	설명
`list_pdfs`	PDF 파일 찾기 (glob 패턴 `name_pattern` 지원)
`read_pdf`	PDF 내용 블록으로 추출
`grep_pdf`	PDF 내 텍스트 검색 (`pdfgrep` 설치 필요)

추출 모드

모드	설명
`auto` (기본)	텍스트 추출 시도 → 손상 감지 시 이미지로 전환
`text_only`	텍스트/표만 추출, 이미지 없음
`image_only`	페이지를 이미지로만 렌더링

Problem

Approach	Issue
Text extraction	Encoding corruption → garbage output, mixed text-image ordering
Image conversion	Token explosion (especially with many pages)

Solution

pdf4vllm assumes PDFs are messy.

Auto-detects text corruption → switches to image automatically
Preserves reading order (text → table → image blocks in sequence)
Page limits prevent context overflow
Filters unnecessary images (logos, lines, headers/footers)

PDF Input
    ↓
Corruption Detection (pdfminer.six + pattern analysis)
    ↓
┌─────────────┬─────────────┐
│  Corrupted  │    Clean    │
│  → Image    │  → Text +   │
│    only     │    Tables + │
│             │    Images   │
└─────────────┴─────────────┘
    ↓
Ordered Blocks (JSON)

Install

pip install pdf4vllm-mcp
# or run without installing
uvx pdf4vllm-mcp

Claude Desktop Setup

git clone https://github.com/PyJudge/pdf4vllm-mcp.git
cd pdf4vllm-mcp
python scripts/install_mcp.py

Or manually edit ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "pdf4vllm": {
      "command": "/path/to/python",
      "args": ["/path/to/pdf4vllm-mcp/src/server.py"]
    }
  }
}

Claude Code Setup

Create .mcp.json in your project:

{
  "mcpServers": {
    "pdf4vllm": {
      "command": "uvx",
      "args": ["pdf4vllm-mcp"]
    }
  }
}

Tools

Tool	Description
`list_pdfs`	Find PDF files with glob filtering (`name_pattern`)
`read_pdf`	Extract PDF content as ordered blocks
`grep_pdf`	Search text in PDFs using pdfgrep (requires `pdfgrep` installed)

Extraction Modes

Mode	Description
`auto` (default)	Try text extraction → switch to image if corrupted
`text_only`	Text/tables only, no images
`image_only`	Render pages as images only

Output Format

{
  "pages": [
    {
      "page_number": 1,
      "content_blocks": [
        {"type": "text", "content": "..."},
        {"type": "table", "content": "| A | B |"},
        {"type": "image", "content": "[IMAGE_0]"}
      ]
    }
  ]
}

When text is corrupted:

{
  "page_number": 2,
  "content_blocks": [],
  "text_corrupted": true,
  "page_image": "[IMAGE_1]"
}

Configuration

config.json or environment variables:

{
  "max_pages_per_request": 10,
  "max_image_dimension": 842,
  "page_image_dpi": 100
}

export PDF_MAX_PAGES=20
export PDF_PAGE_IMAGE_DPI=150

Test Server

pip install pdf4vllm-mcp[test]
python test_server.py
# → http://localhost:8000

License

MIT

GitHub · PyPI

Pdf4vllm

pdf4vllm

문제

해결

설치

Claude Desktop 설정

도구

추출 모드

Problem

Solution

Install

Claude Desktop Setup

Claude Code Setup

Tools

Extraction Modes

Output Format

Configuration

Test Server

License

Pdf4vllm

pdf4vllm

문제

해결

설치

Claude Desktop 설정

도구

추출 모드

Problem

Solution

Install

Claude Desktop Setup

Claude Code Setup

Tools

Extraction Modes

Output Format

Configuration

Test Server

License

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