calibre-mcp in namespace io.github
io.github.caelum29/calibre-mcp · Status: active
No name of its own reaches this register for this entry. The heading therefore carries the trailing segment of the identifier; the identifier itself is listed below as a coordinate.
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- Registry name
io.github.caelum29/calibre-mcp- Package coordinate
npm:calibre-mcp- Version
0.7.4- Listed in the registry
- 2026-08-21
- Changed in the registry
- 2026-08-21
- First seen by tracevero
- 2026-08-06
- Vendor's website
- https://github.com/caelum29/calibre-mcp
Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes.
Vendor's own description, untranslated and unverified
Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin. What the confidence levels mean
Measured values
| Credentials required | no Raw declaration – Required secret variables (raw): confirmed absent Raw declaration – Required secret headers (raw): confirmed absent Source: MCP-Register · collected on 2026-08-06 · derived |
|---|---|
| Execution location | local Raw declaration – Transports (raw): stdio Source: MCP-Register · collected on 2026-08-06 · derived |
| Path argument present | yes Raw declaration – Path arguments (raw): confirmed absent Raw declaration – Path environment variables (raw): CALIBRE_MCP_CALIBREDB_PATH Source: MCP-Register · collected on 2026-08-16 · derived |
| Repository URL listed | yes Raw declaration – Repository (raw): https://github.com/caelum29/calibre-mcp Source: MCP-Register · collected on 2026-08-06 · derived |
| Version | 0.7.4 Source: MCP-Register · collected on 2026-08-22 · self-declared |
Position within the holdings
How many of the 25,100 published entries carry the same measured value. A reference figure, not an assessment.
- Credentials requiredno20,735 of 25,100 carry this value (83 %)View these entries
- Execution locationlocal12,344 of 25,100 carry this value (49 %)View these entries
- Path argument presentyes243 of 25,100 carry this value (1.0 %)View these entries
- Repository URL listedyes19,482 of 25,100 carry this value (78 %)View these entries
All 4 values together are carried by 198 of 25,100 entries.
This entry appears in these selections
- MCP servers without credentials20,735
- Locally executed MCP servers12,344
- MCP servers with a repository URL19,482
- MCP servers with a path argument243
- Local MCP servers without credentials9,365
- Local MCP servers with a repository URL11,717
- MCP servers over stdio only10,041
- MCP servers as an npm package only7,276
- Local MCP servers as an npm package only7,188
- npm packages with a repository URL6,909
- MCP servers over stdio, as an npm package only6,297
- MCP servers available as a package only10,841
The source's raw values24
Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin.
| Description (raw) | Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes. Source: MCP-Register · collected on 2026-08-26 · self-declared |
|---|---|
| Environment variables (raw) | CALIBRE_MCP_SERVER_URL, CALIBRE_MCP_LIBRARY, CALIBRE_MCP_ENABLE_WRITE, CALIBRE_MCP_CALIBREDB_PATH Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Required secret variables (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Transports (raw) | stdio Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Path arguments (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Repository (raw) | https://github.com/caelum29/calibre-mcp Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Package registries (raw) | npm Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Required secret headers (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Path environment variables (raw) | CALIBRE_MCP_CALIBREDB_PATH Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Remote URLs (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Remote hosts (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Registry status message (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| First listed in the registry (raw) | 2026-08-21 Source: MCP-Register · collected on 2026-08-22 · self-declared |
| Last changed in the registry (raw) | 2026-08-21 Source: MCP-Register · collected on 2026-08-22 · self-declared |
| Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Delivery form (raw) | paket Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Repository platform (raw) | github Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Repository subfolder (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Package identifiers (raw) | calibre-mcp Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Package versions (raw) | 0.7.4 Source: MCP-Register · collected on 2026-08-22 · self-declared |
| Runtime hints (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Environment variable formats (raw) | boolean, filepath, string Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Environment variable descriptions (raw) | CALIBRE_MCP_CALIBREDB_PATH=Path to the calibredb binary; empty = auto-discover the standard install location · CALIBRE_MCP_ENABLE_WRITE=Set to 1 to enable the write tools (update/bulk-update/add/remove); off by default · CALIBRE_MCP_LIBRARY=Library name; empty = auto-detect the server's default library · CALIBRE_MCP_SERVER_URL=Calibre Content Server base URL (default http://localhost:8080) Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Icon formats (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
Changes
| 2026-08-26 | Description (raw): – → Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes. |
|---|---|
| 2026-08-22 | Version: 0.7.3 → 0.7.4 |
| 2026-08-22 | Last changed in the registry (raw): 2026-08-18 → 2026-08-21 |
| 2026-08-22 | First listed in the registry (raw): 2026-08-18 → 2026-08-21 |
| 2026-08-22 | Package versions (raw): 0.7.3 → 0.7.4 |
| 2026-08-19 | Version: 0.7.2 → 0.7.3 |
| 2026-08-19 | Last changed in the registry (raw): 2026-07-27 → 2026-08-18 |
| 2026-08-19 | First listed in the registry (raw): 2026-07-27 → 2026-08-18 |
| 2026-08-19 | Package versions (raw): 0.7.2 → 0.7.3 |
| 2026-08-16 | Path argument present: false → true |
These are the 10 most recent changes to this entry. Full history
tracevero · https://tracevero.com/mcp/io-github-caelum29-calibre-mcp