search_established_companies
AI agents call search_established_companies to retrieve information from 企业查询MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs searches/queries on company data within an enterprise database. The 'search' verb and the context of a query-focused server (matching sibling tools like 'search_companies' and 'search_selfemployed') indicates retrieval without modification. No creation, deletion, code execution, or financial transactions are implied.
From the tool's definition Tool name is 'search_established_companies' and server description indicates 'enabling queries on business entities' with 'no side effects' implied by read-only query nature. Description is empty, slightly lowering confidence.
Documented attack patterns abuse exactly the kind of access search_established_companies gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and 企业查询MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for search_established_companies:
{
"version": "1",
"default": "deny",
"tools": {
"search_established_companies": {}
}
}search_established_companies is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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search_established_companies. It is categorised as a Read tool in the 企业查询MCP MCP Server, which means it retrieves data without modifying state.
Register the 企业查询 MCP server in PolicyLayer and add a rule for search_established_companies: 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 企业查询MCP. Nothing to install.
search_established_companies 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 search_established_companies 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 search_established_companies. 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.
search_established_companies is provided by the 企业查询 MCP server (shuididata/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from 企业查询MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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4 企业查询MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.