get_table_columns
AI agents call get_table_columns to retrieve information from Fabric Dw Mcp Cli without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves table schema information (column definitions) from a Microsoft Fabric Data Warehouse, which is a read-only metadata query with no side effects. It fits the 'Read' category as it queries data without creating, modifying, deleting, or executing operations.
From the tool's definition Tool name 'get_table_columns' indicates a retrieval operation. Description is empty, but the naming convention and presence alongside 'count_table_rows', 'count_view_rows', and 'get_audit_settings' confirms this is a query/list operation that retrieves…
Attacks that exploit this kind of access
get_table_columns. It is categorised as a Read tool in the Fabric Dw Mcp Cli MCP Server, which means it retrieves data without modifying state.
Register the Fabric Dw Mcp Cli MCP server in PolicyLayer and add a rule for get_table_columns: 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 Fabric Dw Mcp Cli. Nothing to install.
get_table_columns 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_table_columns 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_table_columns. 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_table_columns is provided by the Fabric Dw Mcp Cli MCP server (sdebruyn/fabric-dw-mcp-cli). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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