superset_database_list
Retrieve accessible database connections from Apache Superset to manage data sources and configurations for analytics workflows.
Instructions
Get a list of databases from Superset
Makes a request to the /api/v1/database/ endpoint to retrieve all database connections the current user has access to. Results are paginated.
Returns: A dictionary containing database connection information including id, name, and configuration
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Implementation Reference
- main.py:745-758 (handler)The handler function implementing the 'superset_database_list' tool. It is decorated with @mcp.tool() for registration, @requires_auth for authentication check, and @handle_api_errors for error handling. The core logic delegates to make_api_request to GET /api/v1/database/ from Superset API.
@mcp.tool() @requires_auth @handle_api_errors async def superset_database_list(ctx: Context) -> Dict[str, Any]: """ Get a list of databases from Superset Makes a request to the /api/v1/database/ endpoint to retrieve all database connections the current user has access to. Results are paginated. Returns: A dictionary containing database connection information including id, name, and configuration """ return await make_api_request(ctx, "get", "/api/v1/database/") - main.py:271-330 (helper)Core helper function used by superset_database_list (and other tools) to perform authenticated HTTP requests to Superset APIs, handling CSRF tokens, auto-refresh, and error responses.
async def make_api_request( ctx: Context, method: str, endpoint: str, data: Dict[str, Any] = None, params: Dict[str, Any] = None, auto_refresh: bool = True, ) -> Dict[str, Any]: """ Helper function to make API requests to Superset Args: ctx: MCP context method: HTTP method (get, post, put, delete) endpoint: API endpoint (without base URL) data: Optional JSON payload for POST/PUT requests params: Optional query parameters auto_refresh: Whether to auto-refresh token on 401 """ superset_ctx: SupersetContext = ctx.request_context.lifespan_context client = superset_ctx.client # For non-GET requests, make sure we have a CSRF token if method.lower() != "get" and not superset_ctx.csrf_token: await get_csrf_token(ctx) async def make_request() -> httpx.Response: headers = {} # Add CSRF token for non-GET requests if method.lower() != "get" and superset_ctx.csrf_token: headers["X-CSRFToken"] = superset_ctx.csrf_token if method.lower() == "get": return await client.get(endpoint, params=params) elif method.lower() == "post": return await client.post( endpoint, json=data, params=params, headers=headers ) elif method.lower() == "put": return await client.put(endpoint, json=data, headers=headers) elif method.lower() == "delete": return await client.delete(endpoint, headers=headers) else: raise ValueError(f"Unsupported HTTP method: {method}") # Use auto_refresh if requested response = ( await with_auto_refresh(ctx, make_request) if auto_refresh else await make_request() ) if response.status_code not in [200, 201]: return { "error": f"API request failed: {response.status_code} - {response.text}" } return response.json() - main.py:154-169 (helper)Decorator applied to the handler requiring a valid access token before execution.
def requires_auth( func: Callable[..., Awaitable[Dict[str, Any]]], ) -> Callable[..., Awaitable[Dict[str, Any]]]: """Decorator to check authentication before executing a function""" @wraps(func) async def wrapper(ctx: Context, *args, **kwargs) -> Dict[str, Any]: superset_ctx: SupersetContext = ctx.request_context.lifespan_context if not superset_ctx.access_token: return {"error": "Not authenticated. Please authenticate first."} return await func(ctx, *args, **kwargs) return wrapper