Hosted EPUBCheck: check an EPUB file against the EPUB specification and list every error.
Connect Remote server
claude mcp add --transport http epubcheck https://api.pagespool.com/mcp/epubcheck/ --header "X-API-Key: <X_API_KEY>"
{
"mcpServers": {
"epubcheck": {
"url": "https://api.pagespool.com/mcp/epubcheck/",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}
{
"servers": {
"epubcheck": {
"type": "http",
"url": "https://api.pagespool.com/mcp/epubcheck/",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://api.pagespool.com/mcp/epubcheck/
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 1 found in our last check
check_epubCheck an EPUB file (EPUB 2 or 3) against the EPUB specifications with EPUBCheck, the W3C's conformance checker. Input: `epub_base64` is the base64 of the EPUB, at most 4 MB decoded, or pass the file as a download link in `file`. Returns `summary` (`valid`, and the `fatal`, `erro…
Headers
| Name | Description |
|---|---|
X-API-KeyOptional, secret | Your API key; signing in with OAuth works instead |
Details
| Endpoint | https://api.pagespool.com/mcp/epubcheck/ (Streamable HTTP) |
| First published | 4 Nov 2026 |
| Last updated | 4 Nov 2026 |
| Registry name | com.pagespool/epubcheck |
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