AI agents use copy_to_clipboard to create or update resources in PhonePi MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your PhonePi MCP environment.
This is a Write operation because it creates or modifies data reversibly—the clipboard content is altered but can be easily overwritten or undone by subsequent clipboard operations. It is not Read (no data retrieval), Execute (no code execution or external commands), Destructive (clipboard state is not permanently lost), Financial (no money involved), or Other.
From the tool's definition The tool copies text to the phone clipboard, modifying the clipboard state on the device. The description explicitly states 'Copy text to the phone clipboard', which is a write operation that changes data stored in the clipboard.
Documented attack patterns abuse exactly the kind of access copy_to_clipboard gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and PhonePi MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for copy_to_clipboard:
{
"version": "1",
"default": "deny",
"tools": {
"copy_to_clipboard": {
"limits": [
{
"counter": "copy_to_clipboard_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}copy_to_clipboard stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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Copy text to the phone clipboard. It is categorised as a Write tool in the PhonePi MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the PhonePi MCP server in PolicyLayer and add a rule for copy_to_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 PhonePi MCP. Nothing to install.
copy_to_clipboard is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the copy_to_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 copy_to_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.
copy_to_clipboard is provided by the PhonePi MCP server (priyankark/phonepi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 22 PhonePi MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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22 PhonePi MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.