trigger_crawl · TrendRadar MCP: Risk & Policy

WHAT IT DOES

What trigger_crawl does on TrendRadar

AI agents invoke trigger_crawl to trigger actions in TrendRadar. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why trigger_crawl needs a policy

A crawl trigger initiates automated data collection from external sources, which is an Execute action—it runs an operation whose side effects (bandwidth usage, external service requests, data retrieval volumes) are not directly data modification but rather external system invocation.

From the tool's definition Tool name 'trigger_crawl' indicates initiation of a web crawling operation. The server context describes 'real-time hotspot monitoring and news aggregation' with 'automated notifications' across multiple platforms (Telegram, WeChat, Slack).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

trigger_crawl Rate-limited

trigger_crawl stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "trigger_crawl": {
      "limits": [
        {
          "counter": "trigger_crawl_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about trigger_crawl

What does the trigger_crawl tool do? +

trigger_crawl. It is categorised as a Execute tool in the TrendRadar MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on trigger_crawl? +

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

What risk level is trigger_crawl? +

trigger_crawl is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit trigger_crawl? +

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

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

trigger_crawl is provided by the TrendRadar MCP server (xhh-im/trendradar). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.