carrot-mcp-pdf
Carrot MCP PDF Server — convert PDFs to structured markdown or rendered page images.
Installation
uv sync --all-packages
Usage
# Run as MCP server
uv run carrot-mcp-pdf
# Or via main CLI
uv run carrot-mcp pdf
# Or as Python module
uv run python -m carrot_mcp_pdf
Tools
| Tool | Description |
|---|---|
version |
Get server version info |
get_toc |
Get table of contents with page ranges |
get_pages |
Convert specific pages to markdown or rendered images. Accepts pages as int (single page), str (range like '1-5,8,10-12'), list, or None. Returns list[TextContent | ImageContent] |
grep |
Search for exact substring in PDF pages. Case-insensitive by default, or regex. Returns matches with page number, text, and surrounding context. |
Architecture
Application Layer (server.py — MCP tools, thin routing)
↓ get_toc/get_pages
Conversion Layer (converter.py — pymupdf4llm → markdown + images)
↓ extract_text=False → render_page_as_image
Cache Layer (cache.py — JSON: %APPDATA%/carrot-mcp/pdf/<md5>.json)
-
server.py — MCP tool definitions only, delegates to converter/cache
-
converter.py — PDF conversion, image processing, content parsing
-
cache.py — Cache persistence, path management, parse_page_range
-
Cache:
%APPDATA%/carrot-mcp/pdf/<md5>.json -
Content blocks: each page caches ordered blocks
[{type: "text", data: ...}, {type: "image", data: base64_str, mime: ...}] -
Image return: images returned as MCP
ImageContentattachments (no base64 truncation)
Development
# Run tests
uv run pytest tests/pdf/ -v
1 maintainer
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