Search for stocks, indices, mutual funds, currencies, and futures using Google Finance. Use format
AI agents call finance-search to retrieve information from Google Services MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves financial market data and quotes but does not execute trades, move money, modify accounts, or trigger financial transactions. It is a read-only query operation against Google Finance data. The low severity reflects that unauthorized access to public/semi-public financial data has minimal blast radius compared to tools that could execute trades or access sensitive account information.
From the tool's definition finance-search: Search for stocks, indices, mutual funds, currencies, and futures using Google Finance. The verb 'search' and the described action (searching/querying financial data) indicates data retrieval with no modification or execution of…
Attacks that exploit this kind of access
Search for stocks, indices, mutual funds, currencies, and futures using Google Finance. Use format. It is categorised as a Read tool in the Google Services MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Google Services MCP Server MCP server in PolicyLayer and add a rule for finance-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 Google Services MCP Server. Nothing to install.
finance-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 finance-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 finance-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.
finance-search is provided by the Google Services MCP Server MCP server (ricleedo/google-service-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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