Perform a web search and return the top results.
AI agents call get_web_search_results to retrieve information from Weather Service MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and presents information (search results) without creating, modifying, deleting, or executing operations. It is a benign information-retrieval function analogous to a search engine query. Severity is low because the blast radius of misuse is minimal: an attacker gains access to public search results, with no ability to alter systems, finances, or data integrity.
From the tool's definition Tool performs a web search and returns top results—a read-only query operation with no side effects, state changes, or data modification. The description explicitly states it returns results without altering external systems.
Attacks that exploit this kind of access
Perform a web search and return the top results. It is categorised as a Read tool in the Weather Service MCP MCP Server, which means it retrieves data without modifying state.
Register the Weather Service MCP server in PolicyLayer and add a rule for get_web_search_results: 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 Weather Service MCP. Nothing to install.
get_web_search_results 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 get_web_search_results 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 get_web_search_results. 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.
get_web_search_results is provided by the Weather Service MCP server (sritajkumarpatel/learn_mcp_2025). 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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