DB-MCP
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| MAX_LIMIT | No | The maximum number of rows allowed for query results | |
| CUBE_API_URL | Yes | The URL of the Cube.js API endpoint (e.g., http://localhost:4000/cubejs-api/v1) | |
| DENY_MEMBERS | No | Comma-separated list of Cube members (measures or dimensions) to block for security or PII reasons (e.g., Users.email,Users.ssn) | |
| CUBE_JWT_SECRET | Yes | The secret used for Cube.js JWT authentication (should be at least 32 characters) |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| catalog.searchB | Search the data catalog for available measures, dimensions, and segments. Use this to discover what data is available for querying. |
| catalog.describeB | Get detailed information about a specific member including its definition, type, and related members. |
| query.semanticC | Execute a governed semantic query against the data warehouse. Queries are validated against governance policies before execution. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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