Qlik Cloud Interaction Gateway

This intermediary server architecture is designed to bridge the capabilities of large language models (like Claude) with the Qlik Cloud API, primarily focusing on data extraction from analytical visualizations.

Available Functionalities (Tools)

list_qlik_applications

Retrieves a catalog of all accessible Qlik applications within the connected tenant. - Optional Parameters: - pagination_limit (integer, preset: 100): Upper bound on the number of application entries to enumerate. - next_page_token (string): Token required for continuing enumeration from a previous state. - Output: A comprehensive list detailing each application's identifier and associated metadata.

fetch_application_worksheets

Obtains the complete set of sheets associated with a specified Qlik application. - Optional Parameters: - application_identifier (string): Unique ID of the target Qlik application (defaults to the value set in the QLIK_APP_ID environment variable). - Output: An array containing all sheets, including their unique identifiers, naming conventions, and structural properties.

enumerate_sheet_visualizations

Gathers details for every chart, graph, or visual element residing on a particular application sheet. - Mandatory Parameters: - worksheet_identifier (string): The unique identifier of the sheet under inspection. - Optional Parameters: - application_identifier (string): The ID of the parent Qlik application (defaults to QLIK_APP_ID environment variable setting). - Output: A collection of visualizations, specifying their IDs, rendering type, and layout coordinates.

extract_visualization_payload

Fetches the underlying data set presented by a specific chart component. - Mandatory Parameters: - worksheet_identifier (string): Identifier of the sheet hosting the target visualization. - visualization_identifier (string): Identifier for the specific chart whose data is requested. - Optional Parameters: - application_identifier (string): The ID of the containing Qlik application. - maximum_record_count (integer, default: 10000): Constraint on the total number of data rows returned across all paginated requests. - page_segment_size (integer, default: 1000): Row count requested in each individual API call. - include_contextual_data (boolean, default: true): Flag to mandate the inclusion of chart structural information alongside the raw data. - Output: The raw data table, comprising column headers and the corresponding row entries, potentially bundled with supplementary chart context.

Configuration Prerequisites

Generating Qlik Cloud Access Credential:

1. Access your Qlik Cloud Tenant interface.
2. Navigate to 'Configuration' section, then select 'API credential management'.
3. Provision a new access token, ensuring it possesses sufficient read/data extraction privileges.
4. Securely store this generated key.

Environment Variable Setup:

Establish a configuration file named .env mirroring the structure in .env.example: env QLIK_API_KEY=your_secure_token QLIK_BASE_URL=https://your-tenant.qlikcloud.com QLIK_APP_ID=the_default_app_to_use MAX_ROWS_PER_REQUEST=1000 MAX_TOTAL_ROWS=10000 REQUEST_DELAY_MS=100 MAX_RETRIES=3 RETRY_DELAY_MS=1000

Deployment Scenarios

Containerized Execution (Docker)

To build and launch the service via a container:

bash

Image construction

docker build -t qlik-bridge .

Execution (Ensure .env file is present)

docker run --env-file .env qlik-bridge

Integration with Desktop Environments

Deno Runtime Method (Recommended)

Configure your local environment settings (e.g., claude_desktop_config.json):

{ "mcpServers": { "qlik_bridge": { "command": "/path/to/deno", "args": ["run", "--allow-all", "--env-file=.env", "main.ts"], "cwd": "/absolute/path/to/qlik-data-bridge-repo" } } }

Node.js/NPM Method

An alternative configuration for environments favoring Node.js execution:

{ "mcpServers": { "qlik_bridge": { "command": "npx", "args": ["tsx", "main.ts"], "env": { "QLIK_API_KEY": "actual_key_value", "QLIK_BASE_URL": "tenant_url", "QLIK_APP_ID": "default_id" }, "cwd": "/absolute/path/to/qlik-data-bridge-repo" } } }

Operational Diagnostics

Should connectivity or retrieval failures occur, review the following points: - Authorization: Confirm API key validity and scope. - Connectivity: Verify the base URL resolves to the correct Qlik tenant. - Resource Existence: Check that provided application/sheet IDs are valid and accessible to the token. - Environment Variables: Ensure all required configuration parameters are correctly loaded. - Throttling: Adjust rate limiting parameters if encountering persistent 429 responses.

Error Code Interpretation: - 401 Unauthorized: Credential issue. - 403 Forbidden: Insufficient permissions assigned to the token. - 429 Too Many Requests: Exceeded rate limits; adjust server configuration. - 404 Not Found: Invalid ID reference for an application or constituent object.

Maintenance and Local Execution

Essential Dependencies

• Deno runtime environment.
• Node.js (for auxiliary tooling/IDE).

Local Bootstrapping

bash

Source code acquisition

git clone [repository-url] cd qlik-data-bridge

Install development dependencies (if applicable)

npm install

Initiate local server process

denode task start-dev

Legal Notice

This Qlik Interaction Gateway is distributed under the permissive MIT License. Full terms and permissions are detailed in the accompanying LICENSE file within the source repository.

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