Search the web using Google Custom Search API.
AI agents call search_google_web to retrieve information from Unified Search MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs read-only queries against Google's web search API. It retrieves and returns search results without creating, modifying, deleting, or executing any operations. The impact of misuse is limited to retrieving information that would be publicly accessible anyway, and consuming API quota.
From the tool's definition Tool name 'search_google_web' and description 'Search the web using Google Custom Search API' indicate a retrieval operation with no data modification or side effects.
Attacks that exploit this kind of access
Search the web using Google Custom Search API. It is categorised as a Read tool in the Unified Search MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Unified Search MCP Server MCP server in PolicyLayer and add a rule for search_google_web: 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 Unified Search MCP Server. Nothing to install.
search_google_web 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_google_web 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_google_web. 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_google_web is provided by the Unified Search MCP Server MCP server (jdeun/unified-search-mcp-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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