Pdf Modifier
FreeNot checkedEnables AI assistants to natively read, edit, and redact PDF documents in place through MCP tools, eliminating manual script execution and layout issues.
About
Enables AI assistants to natively read, edit, and redact PDF documents in place through MCP tools, eliminating manual script execution and layout issues.
README
CLI + MCP server + Web UI for PDF text replacement with font style preservation.
CI PyPI Python 3.12+ Docs License: MIT
Quick start
pip install pdf-modifier
# CLI
pdf-mod modify input.pdf output.pdf -r "Draft=Final"
# MCP server (for Claude/Cursor/Codex)
claude mcp add -s user pdf-modifier -- uvx pdf-modifier
Interfaces
| Interface | Description | Run |
|---|---|---|
| CLI | pdf-mod — batch jobs, scripting, CI pipelines |
make run cli ARGS="..." |
| MCP Server | pdf-modifier — AI agents edit PDFs |
make run mcp |
| Web UI | FastAPI + SvelteKit — drag & drop, preview, replace | make up (Docker) or make run api + make run frontend |
Features
- Text replacement — find and replace with font style preservation (family, weight, size, color)
- Regex support — pattern-based bulk replacements (
--regex) - Hyperlinks — create clickable links or neutralize existing ones
- Batch processing — apply same replacements to multiple files
- Web UI — drag & drop PDF upload, structure browser, page preview with zoom, text highlighting
- MCP tools —
read_pdf_structure,inspect_pdf_fonts,list_pdf_hyperlinks,modify_pdf_content
Development
# Setup
make setup
# Run tests
make test
# Full check (lint + type + test)
make check
# Start dev stack (Docker)
make up
# API: http://localhost:8000 | Web: http://localhost:8080
# Start servers locally
make run api # FastAPI dev server
make run frontend # SvelteKit dev server
Documentation
License
MIT
Installing Pdf Modifier
This server has no published package — it is built from source. Open the repository and follow its README.
▸ github.com/mlorentedev/pdf-modifier-mcpFAQ
Is Pdf Modifier MCP free?
Yes, Pdf Modifier MCP is free — one-click install via Unyly at no cost.
Does Pdf Modifier need an API key?
No, Pdf Modifier runs without API keys or environment variables.
Is Pdf Modifier hosted or self-hosted?
Self-hosted: the server runs locally on your machine via the install command above.
How do I install Pdf Modifier in Claude Desktop, Claude Code or Cursor?
Open Pdf Modifier on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
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