This tool retrieves metadata for a specified datasource by taking the basic, high level, metadata results from Tableau
AI agents call get-datasource-metadata to retrieve information from Tableau MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns datasource metadata without side effects. It is a read-only operation that retrieves information about a datasource structure, similar to a GET request or describe command. No data is created, modified, deleted, or executed.
From the tool's definition Tool name and description indicate data retrieval: 'retrieves metadata' and 'takes the basic, high level, metadata results from Tableau' with no modification or deletion semantics.
Attacks that exploit this kind of access
This tool retrieves metadata for a specified datasource by taking the basic, high level, metadata results from Tableau. It is categorised as a Read tool in the Tableau MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Tableau MCP Server MCP server in PolicyLayer and add a rule for get-datasource-metadata: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Tableau MCP Server. Nothing to install.
get-datasource-metadata is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get-datasource-metadata rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get-datasource-metadata. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get-datasource-metadata is provided by the Tableau MCP Server MCP server (tableau/tableau-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.