calibre-mcp
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| CALIBRE_LIBRARY_PATH | Yes | Path to your Calibre library directory (the folder containing metadata.db). Required; the server fails fast at startup if unset or if the directory has no metadata.db. | |
| CALIBRE_MCP_SMTP_FROM | No | Sender address. Required only for the email_book tool. | |
| CALIBRE_MCP_SMTP_PORT | No | SMTP port. Defaults to 465 for SSL and 25 for TLS/none. | |
| CALIBRE_MCP_BACKUP_DIR | No | Where pre-write metadata.db backups and trashed files are stored. | <library>/.calibre-mcp-backups/ |
| CALIBRE_MCP_SMTP_RELAY | No | SMTP relay host. Required only for the email_book tool. | |
| CALIBRE_MCP_SMTP_PASSWORD | No | SMTP password. Required only for the email_book tool. Never logged, never returned in tool output. | |
| CALIBRE_MCP_SMTP_USERNAME | No | SMTP username. Required only for the email_book tool. | |
| CALIBRE_MCP_SMTP_ENCRYPTION | No | SMTP encryption mode: SSL, TLS, or NONE. | TLS |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
This server cannot be deployed
Maintenance
ActivityMaintained
ResponsivenessNo issues