calibre-manager

Item: calibre-manager
Rating: 60
Author: M8ven

An MCP server to manage and organize a Calibre ebook library, enabling metadata editing, search, conversion, and more through AI assistants.

→ ericknavarro/calibre-manager-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

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 1 credential: CALIBRE_PASSWORD

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configCALIBREDB_PATH— "": "C:\\Program Files\\Calibre2\\calibredb.exe",

configCALIBRE_LIBRARY_PATH— "": "C:\\Users\\<your-username>\\calibre",

🔐 secretCALIBRE_PASSWORD— CALIBRE_USERNAME / No Only if you use the Content Server via URL.

configCALIBRE_USERNAME— / CALIBRE_PASSWORD No Only if you use the Content Server via URL.

configEBOOK_CONVERT_PATH— "": "C:\\Program Files\\Calibre2\\ebook-convert.exe",

configFETCH_EBOOK_METADATA_PATH— "": "C:\\Program Files\\Calibre2\\fetch-ebook-metadata.exe"

// 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

[![M8ven Score](https://m8ven.ai/badge/mcp/ericknavarro-calibre-manager-mcp-1bokvf)](https://m8ven.ai/mcp/ericknavarro-calibre-manager-mcp-1bokvf)

commit: db149fe9d81a6266f745ed0492f8435bd51f4469

code hash: 18d989d56c9eaeba415a6a98ff43a0dbb25fc0d0a2d6aa719792cbef4c2f7111

verified: 6/21/2026, 10:35:14 AM

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