Convenience wrapper that prepends a web-search instruction to the query.
AI agents call web_search to retrieve information from Gemini Cli Mcp Slim without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Web search retrieves and queries publicly available information with no side effects. No data is created, modified, deleted, or financial/code execution occurs. This is a classic Read category tool with minimal security risk.
From the tool's definition Description states it 'prepends a web-search instruction to the query' — this is a search operation that retrieves information without modifying data. The tool name 'web_search' and description confirm read-only behavior.
Attacks that exploit this kind of access
Convenience wrapper that prepends a web-search instruction to the query. It is categorised as a Read tool in the Gemini Cli Mcp Slim MCP Server, which means it retrieves data without modifying state.
Register the Gemini Cli Mcp Slim MCP server in PolicyLayer and add a rule for web_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 Gemini Cli Mcp Slim. Nothing to install.
web_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 web_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 web_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.
web_search is provided by the Gemini Cli Mcp Slim MCP server (tksfjt1024/gemini-cli-mcp-slim). 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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