reconnect_wifi · CO2 Sensor MCP Server MCP: Risk & Policy

WHAT IT DOES

What reconnect_wifi does on CO2 Sensor MCP Server

AI agents invoke reconnect_wifi to trigger actions in CO2 Sensor MCP Server. 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 reconnect_wifi needs a policy

Reconnecting WiFi is an Execute-class action as it triggers an external hardware/network operation. However, the description explicitly states 'NOT IMPLEMENTED', which reduces confidence and practical risk. If implemented, misuse could cause temporary network disruption to the sensor device, hence medium severity.

From the tool's definition 'Force the device to reconnect to WiFi' — triggers an external network operation on the device

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

reconnect_wifi Rate-limited

reconnect_wifi 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": {
    "reconnect_wifi": {
      "limits": [
        {
          "counter": "reconnect_wifi_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 CO2 Sensor MCP Server, so you can run agents against it safely.

FAQ

Questions about reconnect_wifi

What does the reconnect_wifi tool do? +

Force the device to reconnect to WiFi (NOT IMPLEMENTED). It is categorised as a Execute tool in the CO2 Sensor MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on reconnect_wifi? +

Register the CO2 Sensor MCP Server MCP server in PolicyLayer and add a rule for reconnect_wifi: 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 CO2 Sensor MCP Server. Nothing to install.

What risk level is reconnect_wifi? +

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

Can I rate-limit reconnect_wifi? +

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

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

reconnect_wifi is provided by the CO2 Sensor MCP Server MCP server (kmwebnet/mcp-server-for-sensor-device). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.