根据关键词搜索 A 股股票，支持名称、代码、拼音首字母模糊搜索。
AI agents call search_stock_by_name to retrieve information from Wyckoff Trading Agent MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves stock information based on search criteria without modifying, deleting, or executing any external operations. It is purely a data retrieval mechanism analogous to a stock database lookup. No financial transactions, code execution, or data modification occurs.
From the tool's definition Tool description indicates it 'searches A-shares stocks by keyword' (根据关键词搜索 A 股股票) supporting name, code, and pinyin abbreviation fuzzy search. This is a query/search operation with no side effects.
Documented attack patterns abuse exactly the kind of access search_stock_by_name gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Wyckoff Trading Agent MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for search_stock_by_name:
{
"version": "1",
"default": "deny",
"tools": {
"search_stock_by_name": {}
}
}search_stock_by_name is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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根据关键词搜索 A 股股票，支持名称、代码、拼音首字母模糊搜索。. It is categorised as a Read tool in the Wyckoff Trading Agent MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Wyckoff Trading Agent MCP Server MCP server in PolicyLayer and add a rule for search_stock_by_name: 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 Wyckoff Trading Agent MCP Server. Nothing to install.
search_stock_by_name 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_stock_by_name 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_stock_by_name. 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_stock_by_name is provided by the Wyckoff Trading Agent MCP Server MCP server (youngcan-wang/wyckofftradingagent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 15 Wyckoff Trading Agent MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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15 Wyckoff Trading Agent MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.