法律法规 - 法律法规语义检索接口 按自然语言query做法条级语义检索，可按时效性、一级效力级别和实施日期范围过滤。返回结果在extra.fatiao，每条主要是法条内容及所属法规信息，不是整部法规全文列表；如需法规详情需再用法规 ID 调详情接口。 HTTP POST https://open.chineselaw.com/open/law_vector_search 接口文档: https://apiplatform.legalmind.cn/api/apis/17 未在 schema 中精确建模的参数也可以直接传入。
AI agents call yuandian_law_vector_search to retrieve information from Yuandian without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
query | string | Yes | 待检索问题 / 查询文本 |
return_num | number | — | 返回法律法规数量（默认为45，最大不超过检索回的法律法规总数） |
rewrite_flag | boolean | — | 是否对查询做改写，默认为true |
fatiao_filter | object | — | 法律法规检索过滤条件，详细内容见字段说明 |
Parameters from the server's own tool schema.
This is a search and retrieval tool for legal documents. It accepts natural language queries and returns matching legal statutes with filtering options (validity, enforcement dates). The operation is read-only with no side effects—no data modification, deletion, or external command execution. Even though it accesses a legal information platform, the tool itself is purely informational retrieval.
From the tool's definition Tool performs '法律法规语义检索接口' (legal semantic retrieval interface) - a query operation that searches and returns legal documents/statutes.
Attacks that exploit this kind of access
法律法规 - 法律法规语义检索接口 按自然语言query做法条级语义检索，可按时效性、一级效力级别和实施日期范围过滤。返回结果在extra.fatiao，每条主要是法条内容及所属法规信息，不是整部法规全文列表；如需法规详情需再用法规 ID 调详情接口。 HTTP POST https://open.chineselaw.com/open/law_vector_search 接口文档: https://apiplatform.legalmind.cn/api/apis/17 未在 schema 中精确建模的参数也可以直接传入。. It is categorised as a Read tool in the Yuandian MCP Server, which means it retrieves data without modifying state.
yuandian_law_vector_search accepts 4 parameters: query, return_num, rewrite_flag, fatiao_filter. Required: query. The full parameter table on this page comes from the server's own tool schema.
Register the Yuandian MCP server in PolicyLayer and add a rule for yuandian_law_vector_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 Yuandian. Nothing to install.
yuandian_law_vector_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 yuandian_law_vector_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 yuandian_law_vector_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.
yuandian_law_vector_search is provided by the Yuandian MCP server (yuandian-mcp-server). 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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