adb_mirror_start

Start live screen mirroring for a device using scrcpy. Requires scrcpy installed and on PATH. Supports windowed (visual) and headless (no display) modes. One session per device.

SERVERDeepadb SOURCEdeepadb

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-fullread-deepadb/adb-mirror-start.md

WHAT IT DOES

What adb_mirror_start does on Deepadb

AI agents invoke adb_mirror_start to trigger actions in Deepadb. 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.

RISK

Why adb_mirror_start is rated High

adb_mirror_start triggers execution of scrcpy on the connected device to establish live screen mirroring. While mirroring itself is not destructive or write-heavy, it executes external operations and manages system resources (display sessions, process lifecycle).

From the tool's definition Tool description states 'Start live screen mirroring for a device using scrcpy' and 'Supports windowed (visual) and headless (no display) modes.' This launches an external process (scrcpy) that connects to and controls a device's display stream, which is an…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs adb_mirror_start safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Deepadb, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For adb_mirror_start, this is the rule to start with:

adb_mirror_start Rate-limited

adb_mirror_start 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": {
    "adb_mirror_start": {
      "limits": [
        {
          "counter": "adb_mirror_start_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Deepadb, apply this rule, and every adb_mirror_start call is checked against it from then on.

FAQ

Questions about adb_mirror_start

What does the adb_mirror_start tool do? +

Start live screen mirroring for a device using scrcpy. Requires scrcpy installed and on PATH. Supports windowed (visual) and headless (no display) modes. One session per device. It is categorised as a Execute tool in the Deepadb MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on adb_mirror_start? +

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

What risk level is adb_mirror_start? +

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

Can I rate-limit adb_mirror_start? +

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

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

adb_mirror_start is provided by the Deepadb MCP server (deepadb). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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