74
grade C
10 days ago
glama
Lyceum
An MCP server that enables querying and managing Calibre libraries via chat by interacting with the Calibre content server over HTTP. It allows users to search for books, update metadata, manage authors and tags, and handle book file uploads or conversions.
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// key findings
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 3 credentials: AUTH_PASSWORD, CALIBRE_PASSWORD, CONVERTER_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// required environment variables
This server reads these from
process.env. You'll be asked to provide them before it can run.🔐 secret
AUTH_PASSWORD— Yes — Password for the OAuth authorization pageconfig
BASE_URL— No http://localhost:3000 Public URL of this server (used for OAuth redirects and signed URLs)config
CALIBRE_LIBRARY_ID🔐 secret
CALIBRE_PASSWORDconfig
CALIBRE_SERVER_URLconfig
CALIBRE_USERNAME🔐 secret
CONVERTER_API_KEY— No — Bearer token for the converter APIconfig
CONVERTER_URL— No — URL of an ebook converter API for format conversionconfig
DATA_DIR— No /data Directory for the database and book filesconfig
PORT— No 3000 Port to listen on// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[](https://m8ven.ai/mcp/matthewp-lyceum-cxhy7q)commit: be1a95e9bfdf39b2733c63629afe4084dc408904
code hash: 9ce62a3c714c60592d0181dd8415252522c0297730d3d5ce68ec7d91f5cab4d0
verified: 4/11/2026, 2:43:00 PM