Retrieve and return a list containing information about tables whose names contain the substring
AI agents call podbc_filter_table_names to retrieve information from MCP PyODBC Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about database tables matching a name filter. It performs a read-only query operation with no side effects, no data modification, no code execution, and no destructive actions. The blast radius of misuse is minimal—an attacker gains knowledge of table names but cannot access data, modify structures, or cause harm.
From the tool's definition Tool name 'podbc_filter_table_names' and description 'Retrieve and return a list containing information about tables whose names contain the substring' indicate a retrieval operation that queries table metadata without modifying or deleting data.
Attacks that exploit this kind of access
Retrieve and return a list containing information about tables whose names contain the substring. It is categorised as a Read tool in the MCP PyODBC Server MCP Server, which means it retrieves data without modifying state.
Register the MCP PyODBC Server MCP server in PolicyLayer and add a rule for podbc_filter_table_names: 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 MCP PyODBC Server. Nothing to install.
podbc_filter_table_names 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 podbc_filter_table_names 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 podbc_filter_table_names. 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.
podbc_filter_table_names is provided by the MCP PyODBC Server MCP server (openlinksoftware/mcp-pyodbc-server). 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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