// SCAN REPORT

Open Computer Use

4 tools. 3 can modify or destroy data without limits.

3 write tools that can modify data. Rate limits recommended.

Last updated: 11 Jun 2026

3 can modify or destroy data

1 read-only

4 tools total

Community server · catalogue entry verified 11/06/2026

How to control Open Computer Use ↓

TOOL MAP

Read (1) Write / Execute (3) Destructive / Financial (0)

MOST DANGEROUS TOOLS

High Risk

Execute · Critical bash_tool This tool allows execution of arbitrary bash commands with no restrictions mentioned on command scope or impact. Write · Medium create_file This is a Write operation because it creates new files in the container environment—a reversible action. Write · Medium str_replace This tool modifies file contents reversibly by replacing or deleting text within files.

3 of Open Computer Use's 4 tools can modify, destroy, or commit something on every call — and an agent calls them with no built-in limits.

HOW TO CONTROL OPEN COMPUTER USE

PolicyLayer is an MCP gateway — it sits between your AI agents and Open Computer Use, and nothing reaches the server without passing your rules. These are the rules we recommend:

Rate limit write operations

{
  "create_file": {
    "limits": [
      {
        "counter": "create_file_per_hour",
        "window": "hour",
        "max": 30,
        "scope": "grant"
      }
    ]
  }
}

Prevents bulk unintended modifications from agents caught in loops.

Cap read operations

{
  "view": {
    "limits": [
      {
        "counter": "view_per_minute",
        "window": "minute",
        "max": 60,
        "scope": "grant"
      }
    ]
  }
}

Controls API costs and prevents retry loops from exhausting upstream rate limits.

Create a free account and register Open Computer Use — nothing to install.
Add these rules — paste them, or build them visually. Tune the limits to your setup.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

ENFORCE POLICY ON OPEN COMPUTER USE →

Free to start. No card required.

ALL 4 OPEN COMPUTER USE TOOLS

EXECUTE 1 tools

Execute bash_tool Run a bash command in the container. If you've lost track of your environment (chat_id, file URLs, availa

WRITE 2 tools

Write create_file Create a new file with content in the container. Args: description: Why I'm creating this file. A Write str_replace Replace a unique string in a file with another string. The string to replace must appear exactly once in t

READ 1 tools

Read view View text files or directory listings. Binary files are detected and rejected with instructions to read SK

RELATED SERVERS

Other MCP servers with similar tools — same risk classification, starter policies for each.

FAQ

How do I prevent bulk modifications through Open Computer Use? +

The Open Computer Use server has 2 write tools including create_file, str_replace. Set a rate limit in your policy -- for example, 10 calls per hour prevents an agent from making more than 10 modifications per hour. PolicyLayer enforces this at the gateway, before calls reach Open Computer Use.

How many tools does the Open Computer Use MCP server expose? +

4 tools across 3 categories: Execute, Read, Write. 1 are read-only. 3 can modify, create, or delete data.

How do I enforce a policy on Open Computer Use? +

Register the Open Computer Use MCP server in PolicyLayer, apply the suggested rules above (adjust the limits to your use case), and point your AI client at the PolicyLayer proxy URL instead of the server directly. Your agents keep the same tools; PolicyLayer evaluates every call against policy before it executes. Nothing to install, live in minutes.

Enforce policy on every Open Computer Use tool call.

Deterministic rules across all 4 Open Computer Use tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

ENFORCE POLICY ON OPEN COMPUTER USE →

Free to start. No card required.

4 Open Computer Use tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

Open Computer Use

// TOOL MAP

// MOST DANGEROUS TOOLS

// HOW TO CONTROL OPEN COMPUTER USE

// ALL 4 OPEN COMPUTER USE TOOLS

// RELATED SERVERS

// FAQ