yapi_interface_add · YAPI MCP Server MCP: Risk & Policy

WHAT IT DOES

What yapi_interface_add does on YAPI MCP Server

AI agents use yapi_interface_add to create or update resources in YAPI MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your YAPI MCP Server environment.

WHY IT NEEDS A POLICY

Why yapi_interface_add needs a policy

This tool creates new API interface records within the YAPI documentation system. Creation is reversible (interfaces can be deleted or modified), so it falls under Write rather than Destructive.

From the tool's definition Tool name 'yapi_interface_add' and description '新增接口' (Chinese: 'add interface') indicate creation of new API interface documentation entries. The server description confirms it provides tools to 'create, update, and retrieve interface details.'

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

yapi_interface_add Rate-limited

yapi_interface_add stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "yapi_interface_add": {
      "limits": [
        {
          "counter": "yapi_interface_add_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches YAPI MCP Server, so you can run agents against it safely.

FAQ

Questions about yapi_interface_add

What does the yapi_interface_add tool do? +

新增接口. It is categorised as a Write tool in the YAPI MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on yapi_interface_add? +

Register the YAPI MCP Server MCP server in PolicyLayer and add a rule for yapi_interface_add: 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 YAPI MCP Server. Nothing to install.

What risk level is yapi_interface_add? +

yapi_interface_add is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit yapi_interface_add? +

Yes. Add a rate_limit block to the yapi_interface_add 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 yapi_interface_add completely? +

Set action: deny in the PolicyLayer policy for yapi_interface_add. 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 yapi_interface_add? +

yapi_interface_add is provided by the YAPI MCP Server MCP server (zhhbinn/yapi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.