search_stocks_tool

Searches for stocks by symbol or company name.

SERVEROpen Stocks MCP SOURCEopen-agent-tools/open-stocks-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/open-agent-tools-open-stocks-mcp/search-stocks-tool.md

WHAT IT DOES

What search_stocks_tool does on Open Stocks MCP

AI agents call search_stocks_tool to retrieve information from Open Stocks MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why search_stocks_tool is rated Low

This tool retrieves stock market data based on search criteria without creating, modifying, deleting, or executing any transactions. It is a straightforward read operation that returns information to the user. The low severity reflects that misuse would only result in unwanted information retrieval, not financial or operational harm.

From the tool's definition Tool description states it 'Searches for stocks by symbol or company name' - a pure query operation with no modification or execution capability.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs search_stocks_tool safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Open Stocks MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For search_stocks_tool, this is the rule to start with:

search_stocks_tool Allowed

search_stocks_tool is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "search_stocks_tool": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Open Stocks MCP, apply this rule, and every search_stocks_tool call is checked against it from then on.

FAQ

Questions about search_stocks_tool

What does the search_stocks_tool tool do? +

Searches for stocks by symbol or company name. It is categorised as a Read tool in the Open Stocks MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on search_stocks_tool? +

Register the Open Stocks MCP server in PolicyLayer and add a rule for search_stocks_tool: 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 Open Stocks MCP. Nothing to install.

What risk level is search_stocks_tool? +

search_stocks_tool is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit search_stocks_tool? +

Yes. Add a rate_limit block to the search_stocks_tool 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.

How do I block search_stocks_tool completely? +

Set action: deny in the PolicyLayer policy for search_stocks_tool. 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.

What MCP server provides search_stocks_tool? +

search_stocks_tool is provided by the Open Stocks MCP server (open-agent-tools/open-stocks-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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