# io.github.caelum29/calibre-mcp

> Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes.

- name: io.github.caelum29/calibre-mcp
- version: 0.7.4
- connection class: L0 (run_local_package)
- trust: 87/100
- quality: –/100 (not scored)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.caelum29%2Fcalibre-mcp
- tools: https://api.protogrid.dev/v1/servers/io.github.caelum29%2Fcalibre-mcp/tools

**Runs on your machine: something must execute the package.** Only local packages are published (npm, PyPI, OCI, …). The registry never executes them, so tools are unknown until you run it.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "calibre-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "calibre-mcp@0.7.4"
      ]
    }
  }
}
```


## Trust

- hygiene: 100
- liveness: n/a
- freshness: 85
- provenance: 80
- drivers: +repository +namespace-matches-repo ~liveness-unmeasured ~updated-60d-ago
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality –/100 (not scored)

Not scored: fewer than three checks apply, usually because no remote answered a credential-free probe or the server is a local package.

### protocol: n/a (weight 25)

- n/a `protocol.modern`, `protocol.stateless`, `protocol.transport`, `protocol.list_ttl`: no remote answered a protocol handshake (not probed yet, unreachable, or local-only)

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: n/a (weight 30)

- n/a `tools.descriptions`, `tools.description_length`, `tools.schemas`, `tools.annotations`, `tools.directory_hints`, `tools.token_cost`, `tools.api_dump`: tool list unknown (behind auth, not probed, or empty)

### stability: n/a (weight 15)

- n/a `stability.changes`, `stability.rug_pull`: tool list unknown

### dependencies: 33 (weight 15)

- fail `deps.known_vulns`: 8 advisories to act on (malicious, or rated high or critical with a fix available): GHSA-7q85-xj36-vmfc in adm-zip@0.5.18 (indirect, fixed in 0.6.1), GHSA-8238-w5pm-2374 in adm-zip@0.5.18 (indirect, fixed in 0.6.1), GHSA-j5f4-cc29-5x44 in adm-zip@0.5.18 (indirect, fixed in 0.6.1), ...; 4 more of lower severity or without a fix
- fail `deps.mcp_sdk_version`: @modelcontextprotocol/sdk 1.29.0 has 1 known advisory (GHSA-6qxp-vccf-f47h); update @modelcontextprotocol/sdk to 1.31.0 or later
- pass `deps.resolvable`: calibre-mcp@0.7.4 resolved: 185 packages

- tools: unknown
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.caelum29/calibre-mcp.svg)](https://protogrid.dev/servers/io.github.caelum29/calibre-mcp)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Dependencies

- npm calibre-mcp@0.7.4: resolved, 184 dependencies, MCP SDK @modelcontextprotocol/sdk 1.29.0
  - GHSA-6qxp-vccf-f47h (high) in `` @modelcontextprotocol/sdk@1.29.0 ``, direct, fixed in `` 1.31.0 ``, advisory summary: "MCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server" https://osv.dev/vulnerability/GHSA-6qxp-vccf-f47h
  - GHSA-7q85-xj36-vmfc (high) in `` adm-zip@0.5.18 ``, indirect, fixed in `` 0.6.1 ``, advisory summary: "adm-zip: Uncontrolled memory allocation via the declared uncompressed size (DoS)" https://osv.dev/vulnerability/GHSA-7q85-xj36-vmfc
  - GHSA-8238-w5pm-2374 (high) in `` adm-zip@0.5.18 ``, indirect, fixed in `` 0.6.1 ``, advisory summary: "adm-zip: Unhandled error event in async DEFLATE decompression crashes Node.js process (DoS)" https://osv.dev/vulnerability/GHSA-8238-w5pm-2374
  - GHSA-j5f4-cc29-5x44 (high) in `` adm-zip@0.5.18 ``, indirect, fixed in `` 0.6.1 ``, advisory summary: "adm-zip extraction preserves SUID/SGID bits from untrusted ZIPs -\> local privilege escalation" https://osv.dev/vulnerability/GHSA-j5f4-cc29-5x44
  - GHSA-rcw4-f5rp-g42v (high) in `` adm-zip@0.5.18 ``, indirect, fixed in `` 0.6.1 ``, advisory summary: "adm-zip: Decompression-bomb protection (fix for CVE-2026-39244) can be bypassed by declaring uncompressed size as 0" https://osv.dev/vulnerability/GHSA-rcw4-f5rp-g42v
  - GHSA-xcpc-8h2w-3j85 (high) in `` adm-zip@0.5.18 ``, indirect, fixed in `` 0.6.0 ``, advisory summary: "adm-zip: Crafted ZIP file triggers 4GB memory allocation" https://osv.dev/vulnerability/GHSA-xcpc-8h2w-3j85
  - GHSA-f88m-g3jw-g9cj (high) in `` sharp@0.34.5 ``, indirect, fixed in `` 0.35.0 ``, advisory summary: "sharp inherited vulnerabilities in libvips: CVE-2026-33327, CVE-2026-33328, CVE-2026-35590, CVE-2026-35591" https://osv.dev/vulnerability/GHSA-f88m-g3jw-g9cj
  - GHSA-rgj7-g3m4-5g8c (high) in `` sharp@0.34.5 ``, indirect, fixed in `` 0.35.4 ``, advisory summary: "sharp: Vulnerabilities in libheif: GHSA-g89c-p67h-r497 and GHSA-2jg2-4ch7-h545" https://osv.dev/vulnerability/GHSA-rgj7-g3m4-5g8c
  - GHSA-wq5f-xc86-pv6w (high) in `` sharp@0.34.5 ``, indirect, fixed in `` 0.35.5 ``, advisory summary: "sharp : Vulnerability in librsvg dependency CVE-2026-96889" https://osv.dev/vulnerability/GHSA-wq5f-xc86-pv6w
  - GHSA-c6fg-446q-cg94 (moderate) in `` adm-zip@0.5.18 ``, indirect, fixed in `` 0.6.1 ``, advisory summary: "adm-zip: getDataAsync() bypasses the maxOutputLength size guard enforced by the synchronous getData() path" https://osv.dev/vulnerability/GHSA-c6fg-446q-cg94
  - GHSA-p634-w6r4-rjp2 (moderate) in `` adm-zip@0.5.18 ``, indirect, fixed in `` 0.6.1 ``, advisory summary: "adm-zip: Duplicate ZIP entry names: getEntry() and extractAllTo() resolve to different content" https://osv.dev/vulnerability/GHSA-p634-w6r4-rjp2
  - GHSA-vwc7-r8mq-g2x9 (moderate) in `` adm-zip@0.5.18 ``, indirect, no fix yet, advisory summary: "adm-zip extraction follows destination symlinks, allowing arbitrary file overwrite" https://osv.dev/vulnerability/GHSA-vwc7-r8mq-g2x9
  - GHSA-hp3w-g68c-fv3c (moderate) in `` sprintf-js@1.1.3 ``, indirect, no fix yet, advisory summary: "sprintf-js vulnerable to denial of service through unbounded precision specifiers" https://osv.dev/vulnerability/GHSA-hp3w-g68c-fv3c

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0.

## Remotes

_none_

## Packages

- npm calibre-mcp@0.7.4

## Tools (0)

_none observed_