Search for tables or views whose names contain the given text.
AI agents call search_tables to retrieve information from OpenLink MCP Server for ODBC without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves schema metadata (table/view names) from an ODBC database without executing queries, modifying data, or performing destructive operations. It is purely informational and read-only, similar to introspection commands like SHOW TABLES or system catalog queries. The blast radius of misuse is minimal—an attacker gains only knowledge of available tables, not access to their data or ability to alter them.
From the tool's definition Tool name is 'search_tables' and description states it 'Search[es] for tables or views whose names contain the given text.' This is a metadata query operation with no modification or execution capability.
Attacks that exploit this kind of access
Search for tables or views whose names contain the given text. It is categorised as a Read tool in the OpenLink MCP Server for ODBC MCP Server, which means it retrieves data without modifying state.
Register the OpenLink MCP Server for ODBC MCP server in PolicyLayer and add a rule for search_tables: 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 OpenLink MCP Server for ODBC. Nothing to install.
search_tables 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 search_tables 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 search_tables. 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.
search_tables is provided by the OpenLink MCP Server for ODBC MCP server (pvsmark/pvs-odbc-mcp). 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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