write_clipboard

Write text to the system clipboard.

SERVERDesktop Commander MCP Server SOURCE19miha99/system-monitor-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/19miha99-system-monitor-mcp/write-clipboard.md

WHAT IT DOES

What write_clipboard does on Desktop Commander MCP Server

AI agents use write_clipboard to create or update resources in Desktop Commander MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Desktop Commander MCP Server environment.

RISK

Why write_clipboard is rated Medium

This tool modifies system clipboard state reversibly. While it could be leveraged to inject malicious content (URLs, scripts, commands) that a user might subsequently paste, the operation itself is non-destructive and reversible. Severity is medium rather than high because clipboard injection requires subsequent user action to cause harm, and the impact is limited to the clipboard buffer.

From the tool's definition Tool name 'write_clipboard' and description 'Write text to the system clipboard' explicitly indicate creation/modification of clipboard data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs write_clipboard safely

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

write_clipboard Rate-limited

write_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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "write_clipboard": {
      "limits": [
        {
          "counter": "write_clipboard_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Desktop Commander MCP Server, apply this rule, and every write_clipboard call is checked against it from then on.

FAQ

Questions about write_clipboard

What does the write_clipboard tool do? +

Write text to the system clipboard. It is categorised as a Write tool in the Desktop Commander MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on write_clipboard? +

Register the Desktop Commander MCP Server MCP server in PolicyLayer and add a rule for write_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 Desktop Commander MCP Server. Nothing to install.

What risk level is write_clipboard? +

write_clipboard is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit write_clipboard? +

Yes. Add a rate_limit block to the write_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.

How do I block write_clipboard completely? +

Set action: deny in the PolicyLayer policy for write_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.

What MCP server provides write_clipboard? +

write_clipboard is provided by the Desktop Commander MCP Server MCP server (19miha99/system-monitor-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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