pinchtab_focus · Pinchtab MCP: Risk & Policy

WHAT IT DOES

What pinchtab_focus does on Pinchtab

AI agents invoke pinchtab_focus to trigger actions in Pinchtab. 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 pinchtab_focus needs a policy

This tool triggers browser UI interactions by focusing elements, which can activate focus-dependent behaviors like autocomplete dropdowns or other UI events. It's an external browser operation whose effects depend on arguments (the ref ID), placing it in the Execute category.

From the tool's definition Focus an element by its ref ID. Useful for triggering focus-dependent UI (e.g. autocomplete dropdowns) without clicking.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pinchtab_focus Rate-limited

pinchtab_focus 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": {
    "pinchtab_focus": {
      "limits": [
        {
          "counter": "pinchtab_focus_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 Pinchtab, so you can run agents against it safely.

FAQ

Questions about pinchtab_focus

What does the pinchtab_focus tool do? +

Focus an element by its ref ID. Useful for triggering focus-dependent UI (e.g. autocomplete dropdowns) without clicking. It is categorised as a Execute tool in the Pinchtab MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on pinchtab_focus? +

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

What risk level is pinchtab_focus? +

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

Can I rate-limit pinchtab_focus? +

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

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

pinchtab_focus is provided by the Pinchtab MCP server (maderwin/pinchtab-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.