Answer a question from the live web. POST { query, topic?, maxResults? }. Runs a deep web search and returns a synthesized, citation-backed answer plus the ranked source pages (title, URL, snippet). For up-to-the-minute questions an LLM alone can\
AI agents call ai.web-answer to retrieve information from 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 queries data from the web without creating, modifying, deleting, or executing any side-effect operations. It is purely informational (Read category). Severity is low because it has no destructive capability and no financial impact—it only fetches and synthesizes publicly available information.
From the tool's definition Tool performs a web search and synthesizes answers from live sources, returning results with citations and ranked pages. The POST parameters (query, topic, maxResults) indicate data retrieval with no modification or deletion of external systems.
Attacks that exploit this kind of access
Answer a question from the live web. POST { query, topic?, maxResults? }. Runs a deep web search and returns a synthesized, citation-backed answer plus the ranked source pages (title, URL, snippet). For up-to-the-minute questions an LLM alone can\. It is categorised as a Read tool in the Mcp MCP Server, which means it retrieves data without modifying state.
Register the MCP server in PolicyLayer and add a rule for ai.web-answer: 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 Mcp. Nothing to install.
ai.web-answer 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 ai.web-answer 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 ai.web-answer. 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.
ai.web-answer is provided by the MCP server (@2sio/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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