open_recent_apps · Termux MCP Server MCP: Risk & Policy

WHAT IT DOES

What open_recent_apps does on Termux MCP Server

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

WHY IT NEEDS A POLICY

Why open_recent_apps needs a policy

An AI agent can call open_recent_apps faster than any human can review — one bad instruction and it creates or modifies resources in Termux MCP Server by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

open_recent_apps Rate-limited

open_recent_apps 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": {
    "open_recent_apps": {
      "limits": [
        {
          "counter": "open_recent_apps_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 Termux MCP Server, so you can run agents against it safely.

FAQ

Questions about open_recent_apps

What does the open_recent_apps tool do? +

Open the recent apps / app switcher. It is categorised as a Write tool in the Termux 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 open_recent_apps? +

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

What risk level is open_recent_apps? +

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

Can I rate-limit open_recent_apps? +

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

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

open_recent_apps is provided by the Termux MCP Server MCP server (xlisp/termux-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.