# Epublys (epublys.com)

Merges, splits, compresses, converts and validates EPUB ebook files directly in the browser.

- Atlas card: https://inite.ai/en/atlas/epublys.com
- Site: https://epublys.com
- For: Readers, students and self-published authors working with EPUB ebook files in a browser.
- Use 0/100 · alive 100/100

## Used for

- Merge several EPUB files into one book
- Compress EPUB files to smaller sizes
- Convert Word manuscripts into valid EPUB files

## Price

- from 9 USD/month, free plan (read 2026-10-18 on https://epublys.com/pricing)

## For developers

- OpenAPI: https://epublys.com/openapi.json (14 paths)
- API docs: https://epublys.com/v1
- MCP server: com.epublys/epublys (namespace; auth on 2026-10-18)
- Read 2026-10-18

## MCP server, measured daily

Server: https://epublys.com/mcp, checked every day since 2026-10-19 (9 checks).

- Answered: 100% of daily checks
- Median first answer: 2134 ms
- Sign-in: none
- Context its tool definitions take: about 3879 tokens (13 tools)
- Tool definitions: B, 79/100
- Failing "params_described": 3 of 13 tools
- Failing "annotations": 13 of 13 tools
- Warning "open_writes": edit_epub_metadata
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-18

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Source: INITE Atlas, https://inite.ai/en/atlas/epublys.com. JSON: https://inite.ai/api/atlas/epublys.com. MCP: https://inite.ai/api/mcp (atlas_lookup).