paste from clipboard
AI agents call paste_from_clipboard to retrieve information from Macos Clipboard without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Pasting from the clipboard is a read operation: it retrieves data already stored in the clipboard buffer without modifying any external resource. The only risk is that sensitive data (passwords, tokens) might be exposed to the AI agent, making severity low-to-medium, but the action itself is non-destructive and reversible.
From the tool's definition 'paste from clipboard' — retrieves the current clipboard contents; no side effects on external state
Attacks that exploit this kind of access
paste from clipboard. It is categorised as a Read tool in the Macos Clipboard MCP Server, which means it retrieves data without modifying state.
Register the Macos Clipboard MCP server in PolicyLayer and add a rule for paste_from_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 Macos Clipboard. Nothing to install.
paste_from_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 paste_from_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 paste_from_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.
paste_from_clipboard is provided by the Macos Clipboard MCP server (xiaoquisme/macos-cliboard-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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