AI agents call smart_code_search to retrieve information from Search Tools MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs intelligent search and retrieval across codebases, consistent with Read category operations (search, find, query). While the description is empty, the server's stated purpose of analysis and search, combined with the tool name and sibling tools' names (all analytical in nature), indicates this retrieves data without side effects.
From the tool's definition Tool is part of a 'Search Tools' server focused on 'code analysis and search across repositories' with sibling tools performing analysis and keyword search operations. The name 'smart_code_search' indicates querying/retrieving information.
Documented attack patterns abuse exactly the kind of access smart_code_search gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Search Tools MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for smart_code_search:
{
"version": "1",
"default": "deny",
"tools": {
"smart_code_search": {}
}
}smart_code_search is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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smart_code_search. It is categorised as a Read tool in the Search Tools MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Search Tools MCP Server MCP server in PolicyLayer and add a rule for smart_code_search: 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 Search Tools MCP Server. Nothing to install.
smart_code_search 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 smart_code_search 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 smart_code_search. 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.
smart_code_search is provided by the Search Tools MCP Server MCP server (voxmenthe/search-tools-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 21 Search Tools MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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21 Search Tools MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.