feishu_calendar_create · Feishu MCP: Risk & Policy

WHAT IT DOES

What feishu_calendar_create does on Feishu

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

WHY IT NEEDS A POLICY

Why feishu_calendar_create needs a policy

This tool creates new calendar events in Feishu, which is a reversible write operation. While it can create meetings and reminders that affect scheduling and user workflows, the action is not destructive (events can be deleted/modified) and does not involve financial transactions or code execution.

From the tool's definition Tool name 'feishu_calendar_create' and description '创建飞书日历事件（会议/提醒/日程）' (Create Feishu calendar events - meetings/reminders/schedules) directly indicate creation of calendar entries.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

feishu_calendar_create Rate-limited

feishu_calendar_create 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": {
    "feishu_calendar_create": {
      "limits": [
        {
          "counter": "feishu_calendar_create_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 Feishu, so you can run agents against it safely.

FAQ

Questions about feishu_calendar_create

What does the feishu_calendar_create tool do? +

创建飞书日历事件（会议/提醒/日程）. It is categorised as a Write tool in the Feishu MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on feishu_calendar_create? +

Register the Feishu MCP server in PolicyLayer and add a rule for feishu_calendar_create: 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 Feishu. Nothing to install.

What risk level is feishu_calendar_create? +

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

Can I rate-limit feishu_calendar_create? +

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

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

feishu_calendar_create is provided by the Feishu MCP server (zlplzp123wyt/feishu-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.