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Epublys MCP Server

Developer ToolsLow Risk10.0MCP RegistryRemote
Free

Server data from the Official MCP Registry

EPUB/PDF tools: merge, split, compress, convert, edit metadata, validate ebooks.

About

EPUB/PDF tools: merge, split, compress, convert, edit metadata, validate ebooks.

Remote endpoints: streamable-http: https://epublys.com/mcp

Security Report

10.0
Low Risk10.0Low Risk

Valid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.

Endpoint verified · Requires authentication · 1 issue found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Found in Source Code

Found by scanning the linked source code. This listing connects to a hosted endpoint, so none of this runs on your machine: it describes what the server software does where it is hosted.

HTTP Network Access

Connects to external APIs or services over the internet.

How to Connect

Remote Plugin

No local installation needed. Your AI client connects to the remote endpoint directly.

Add this to your MCP configuration to connect:

{
  "mcpServers": {
    "com-epublys-epublys": {
      "url": "https://epublys.com/mcp"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

Epublys MCP Server

Remote MCP server for EPUB and PDF ebook manipulation — merge, split, compress, convert, edit metadata, validate, and generate AI covers. Backed by epublys.com, running on Cloudflare Workers.

This is a hosted server (Streamable HTTP). There is nothing to install — this repository holds the public manifests, configuration examples, and documentation.

Quickstart

Without a key (free tier)

Claude Code:

claude mcp add --transport http epublys https://epublys.com/mcp

Any other MCP client (claude_desktop_config.json, cline_mcp_settings.json, etc.):

{
  "mcpServers": {
    "epublys": {
      "url": "https://epublys.com/mcp"
    }
  }
}

The free tier is identified by IP address and shares the website's free daily allowance. It is permanent, not a trial.

With a key (your account's allowance, Pro)

  1. Sign in at https://epublys.com/account and create an API key (epl_… — shown once).
  2. Send it as a Bearer header:
{
  "mcpServers": {
    "epublys": {
      "url": "https://epublys.com/mcp",
      "headers": { "Authorization": "Bearer epl_YOUR_KEY_HERE" }
    }
  }
}

Claude Code: claude mcp add --transport http epublys https://epublys.com/mcp --header "Authorization: Bearer epl_YOUR_KEY_HERE"

A wrong, malformed or revoked key is a 401, not a silent fall back to the free tier. The key goes in the Authorization header only; a key in the URL is rejected.

Tools

ToolDescription
merge_epubMerge multiple EPUB files into one
split_epubSplit an EPUB by chapter ranges
compress_epubCompress an EPUB to reduce file size
epub_to_pdfConvert EPUB to PDF
pdf_to_epubConvert PDF to EPUB
epub_to_markdownConvert EPUB to Markdown
markdown_to_epubBuild an EPUB3 from Markdown files (YAML frontmatter, Obsidian wikilinks)
docx_to_epubConvert DOCX to EPUB
read_epub_metadataRead EPUB metadata
edit_epub_metadataEdit EPUB metadata and cover
validate_epubValidate EPUB structure (with optional auto-fix)
generate_coverGenerate an AI book cover from a description (Pro)
upgrade_to_proReturn a Stripe checkout link for the account behind the key (keyless calls get the pricing URL)

Files are passed as base64-encoded strings in tool arguments and results.

Limits

FreePro ($9/mo or $72/yr)
File size5 MB (15 MB split_epub, 10 MB pdf_to_epub)30 MB per request
Merge10 files, 20 MB total50 files, 30 MB total
Daily operations3 per day (reading metadata is never metered)unlimited
Rate15 req/min60 req/min
Output brandingEpublys colophonnone
generate_cover—30/month

Privacy

Files are processed in memory and never stored. There is no upload bucket, no retention, no content logging. Anonymous usage metrics only (tool name, status, sizes).

REST API

The same tools are available over plain REST with an OpenAPI spec — see https://epublys.com/for-ai-agents.

About this repository

The Epublys service itself is closed-source. This repository contains only the public MCP manifests (server.json, smithery.yaml) and documentation, and is the canonical public home for the com.epublys/epublys registry entry. Issues are welcome for MCP integration problems; for product support use https://epublys.com/about.

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