Raw values for calibre-mcp in namespace io.github

io.github.caelum29/calibre-mcp · Registry 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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What the source declared verbatim, unchanged and uninterpreted. The derived values on the overview page are computed from these.

Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin.

Raw values
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 1 of 42,239 carry this value
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 1 of 42,239 carry this value
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 13,770 of 42,239 carry this value
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 1 of 42,239 carry this value
Package registries (raw)	npm Source: MCP-Register · collected on 2026-08-06 · self-declared 10,232 of 42,239 carry this value
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 1 of 42,239 carry this value
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 210 of 42,239 carry this value
Last changed in the registry (raw)	2026-08-21 Source: MCP-Register · collected on 2026-08-22 · self-declared 207 of 42,239 carry this value
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 39,194 of 42,239 carry this value
Delivery form (raw)	package Source: MCP-Register · collected on 2026-08-16 · self-declared 14,812 of 42,239 carry this value
Repository platform (raw)	github Source: MCP-Register · collected on 2026-08-16 · self-declared 30,209 of 42,239 carry this value
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 1 of 42,239 carry this value
Package versions (raw)	0.7.4 Source: MCP-Register · collected on 2026-08-22 · self-declared 9 of 42,239 carry this value
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 14 of 42,239 carry this value
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 1 of 42,239 carry this value
Icon formats (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
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":[]} Source: MCP-Register · collected on 2026-09-08 · self-declared 1 of 42,239 carry this value

Position within the directory

How many of the 42,239 published entries carry the same measured value. A reference figure, not an assessment.

Required secrets declaredno36,126 of 42,239 carry this value (86 %)View these entries
Execution locationlocal17,143 of 42,239 carry this value (41 %)View these entries
Path argument presentyes503 of 42,239 carry this value (1.2 %)View these entries
Repository URL listedyes30,309 of 42,239 carry this value (72 %)View these entries

All 4 values together are carried by 406 of 42,239 entries.

tracevero · https://tracevero.com/mcp/io-github-caelum29-calibre-mcp/rohangaben