find_image_on_screen

Find an image on the screen using template matching.

SERVERAos SOURCE@hybridlabor-api/aos

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/hybridlabor-api-aos/find-image-on-screen.md

WHAT IT DOES

What find_image_on_screen does on Aos

AI agents call find_image_on_screen to retrieve information from Aos without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why find_image_on_screen is rated Low

Reads screen pixels for pattern matching; returns location data without side effects.

From the tool's definition Find an image on the screen using template matching.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs find_image_on_screen safely

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

find_image_on_screen Allowed

find_image_on_screen is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "find_image_on_screen": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about find_image_on_screen

What does the find_image_on_screen tool do? +

Find an image on the screen using template matching. It is categorised as a Read tool in the Aos MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on find_image_on_screen? +

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

What risk level is find_image_on_screen? +

find_image_on_screen is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit find_image_on_screen? +

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

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

find_image_on_screen is provided by the Aos MCP server (@hybridlabor-api/aos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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