Read the current clipboard contents as text.
AI agents call read_clipboard to retrieve information from Computer Use MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries the clipboard state and returns its contents without modifying, deleting, or executing anything. It is a passive information retrieval operation, fitting squarely within the Read category. Severity is low because clipboard data access poses minimal risk—it cannot trigger actions, modify system state, or expose system-critical information by itself.
From the tool's definition Tool name 'read_clipboard' and description 'Read the current clipboard contents as text' explicitly describe a retrieval operation with no side effects.
Attacks that exploit this kind of access
Read the current clipboard contents as text. It is categorised as a Read tool in the Computer Use MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Computer Use MCP Server MCP server in PolicyLayer and add a rule for read_clipboard: 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 Computer Use MCP Server. Nothing to install.
read_clipboard is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the read_clipboard 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.
Set action: deny in the PolicyLayer policy for read_clipboard. 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.
read_clipboard is provided by the Computer Use MCP Server MCP server (syedazharmbnr1/computer-use-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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