Search for database objects by name across all databases
AI agents call search_objects to retrieve information from SQL Server MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves metadata about database objects without executing code, modifying data, or triggering side effects. It is consistent with the server's stated read-only introspection purpose and similar to sibling tools like get_schema_overview and get_table_definition. The blast radius of misuse is minimal — an agent could enumerate objects but cannot read sensitive data, execute queries, or modify anything.
From the tool's definition Server is described as 'read-only MCP server for SQL Server database introspection' and this tool 'Search[es] for database objects by name across all databases' — a pure query/discovery operation with no modification or execution capability.
Attacks that exploit this kind of access
Search for database objects by name across all databases. It is categorised as a Read tool in the SQL Server MCP MCP Server, which means it retrieves data without modifying state.
Register the SQL Server MCP server in PolicyLayer and add a rule for search_objects: 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 SQL Server MCP. Nothing to install.
search_objects 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_objects 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_objects. 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_objects is provided by the SQL Server MCP server (millelog/sql-server-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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