---
bezeichner: "io.github.caelum29/calibre-mcp"
art: "mcp_server"
slug: "io-github-caelum29-calibre-mcp"
paketkoordinate: "npm:calibre-mcp"
status: "aktiv"
homepage: "https://github.com/caelum29/calibre-mcp"
erhebungsstand: "2026-10-11T01:17:01.851Z"
namensraum: "io.github.caelum29"
registerseite: "https://tracevero.com/mcp/io-github-caelum29-calibre-mcp"
abgerufen_am: "2026-10-11"
zugangsdaten_erforderlich: false
ausfuehrungsort: "lokal"
dateisystem_pfadargument: true
quelloffen_einsehbar: true
roh_beschreibung: "Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes."
version: "0.7.4"
roh_umgebungsvariablen: "CALIBRE_MCP_SERVER_URL, CALIBRE_MCP_LIBRARY, CALIBRE_MCP_ENABLE_WRITE, CALIBRE_MCP_CALIBREDB_PATH"
roh_geheime_pflichtvariablen: ""
roh_transportarten: "stdio"
roh_pfadargumente: ""
roh_repository_url: "https://github.com/caelum29/calibre-mcp"
roh_paketquellen: "npm"
roh_geheime_pflichtkopfzeilen: ""
roh_pfad_umgebungsvariablen: "CALIBRE_MCP_CALIBREDB_PATH"
roh_remote_adressen: ""
roh_remote_hosts: ""
roh_statusmeldung: ""
roh_veroeffentlicht_am: "2026-08-21"
roh_aktualisiert_am: "2026-08-21"
roh_schemafassung: "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json"
roh_bereitstellungsform: "paket"
roh_repository_quelle: "github"
roh_repository_unterordner: ""
roh_paketbezeichner: "calibre-mcp"
roh_paketversionen: "0.7.4"
roh_laufzeithinweise: ""
roh_umgebungsformate: "boolean, filepath, string"
roh_umgebungsbeschreibungen: "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)"
roh_symbolformate: ""
roh_verbindungswege: "{\"packages\":[{\"registryType\":\"npm\",\"identifier\":\"calibre-mcp\",\"version\":\"0.7.4\",\"transport\":\"stdio\",\"environment\":[{\"name\":\"CALIBRE_MCP_SERVER_URL\",\"description\":\"Calibre Content Server base URL (default http://localhost:8080)\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"CALIBRE_MCP_LIBRARY\",\"description\":\"Library name; empty = auto-detect the server's default library\",\"format\":\"string\",\"required\":false,\"secret\":false},{\"name\":\"CALIBRE_MCP_ENABLE_WRITE\",\"description\":\"Set to 1 to enable the write tools (update/bulk-update/add/remove); off by default\",\"format\":\"boolean\",\"required\":false,\"secret\":false},{\"name\":\"CALIBRE_MCP_CALIBREDB_PATH\",\"description\":\"Path to the calibredb binary; empty = auto-discover the standard install location\",\"format\":\"filepath\",\"required\":false,\"secret\":false}],\"additional_arguments_declared\":false}],\"remotes\":[]}"
---

# io.github.caelum29/calibre-mcp

## Measured values

| Property | Value | Source | Collected on | Level of trust | Raw declaration |
| --- | --- | --- | --- | --- | --- |
| Required secrets declared | false | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_geheime_pflichtvariablen: ; roh_geheime_pflichtkopfzeilen: |
| Execution location | lokal | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_transportarten: stdio |
| Path argument present | true | MCP-Register | 2026-08-16T01:17:01.420Z | abgeleitet | roh_pfadargumente: ; roh_pfad_umgebungsvariablen: CALIBRE_MCP_CALIBREDB_PATH |
| Repository URL listed | true | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_repository_url: https://github.com/caelum29/calibre-mcp |
| Description (raw) | Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes. | MCP-Register | 2026-08-26T16:45:01.514Z | selbstauskunft |  |
| Declared version | 0.7.4 | MCP-Register | 2026-08-22T01:17:01.647Z | selbstauskunft |  |
| Environment variables (raw) | CALIBRE_MCP_SERVER_URL, CALIBRE_MCP_LIBRARY, CALIBRE_MCP_ENABLE_WRITE, CALIBRE_MCP_CALIBREDB_PATH | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Required secret variables (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Transports (raw) | stdio | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Path arguments (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Repository (raw) | https://github.com/caelum29/calibre-mcp | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Package registries (raw) | npm | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Required secret headers (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Path environment variables (raw) | CALIBRE_MCP_CALIBREDB_PATH | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Remote URLs (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Remote hosts (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Registry status message (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| First listed in the registry (raw) | 2026-08-21 | MCP-Register | 2026-08-22T01:17:01.647Z | selbstauskunft |  |
| Last changed in the registry (raw) | 2026-08-21 | MCP-Register | 2026-08-22T01:17:01.647Z | selbstauskunft |  |
| Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Delivery form (raw) | paket | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Repository platform (raw) | github | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Repository subfolder (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Package identifiers (raw) | calibre-mcp | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Package versions (raw) | 0.7.4 | MCP-Register | 2026-08-22T01:17:01.647Z | selbstauskunft |  |
| Runtime hints (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Environment variable formats (raw) | boolean, filepath, string | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| 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) | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Icon formats (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Connection paths (source structure) | {"packages":[{"registryType":"npm","identifier":"calibre-mcp","version":"0.7.4","transport":"stdio","environment":[{"name":"CALIBRE_MCP_SERVER_URL","description":"Calibre Content Server base URL (default http://localhost:8080)","format":"string","required":false,"secret":false},{"name":"CALIBRE_MCP_LIBRARY","description":"Library name; empty = auto-detect the server's default library","format":"string","required":false,"secret":false},{"name":"CALIBRE_MCP_ENABLE_WRITE","description":"Set to 1 to enable the write tools (update/bulk-update/add/remove); off by default","format":"boolean","required":false,"secret":false},{"name":"CALIBRE_MCP_CALIBREDB_PATH","description":"Path to the calibredb binary; empty = auto-discover the standard install location","format":"filepath","required":false,"secret":false}],"additional_arguments_declared":false}],"remotes":[]} | MCP-Register | 2026-09-08T01:17:01.649Z | selbstauskunft |  |

## Links

- Namespace: [[namensraum/io-github-caelum29|io.github.caelum29]]

---

- Registry page: <https://tracevero.com/mcp/io-github-caelum29-calibre-mcp>
- Retrieved on: 2026-10-11