Capture a screenshot from the PiKVM video stream. Returns the current screen as a JPEG image.
AI agents call pikvm_screenshot to retrieve information from PiKVM MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Taking a screenshot is a passive observation operation with no side effects. It does not execute commands, modify system state, delete data, move funds, or trigger external operations. While the PiKVM server as a whole provides Execute-level control (keyboard, mouse, screen input), this specific tool only queries and returns the current visual state.
From the tool's definition Tool description states it 'Capture[s] a screenshot from the PiKVM video stream' and 'Returns the current screen as a JPEG image.' These are read-only operations that retrieve visual data without modifying any state of the target system.
Attacks that exploit this kind of access
Capture a screenshot from the PiKVM video stream. Returns the current screen as a JPEG image. It is categorised as a Read tool in the PiKVM MCP Server MCP Server, which means it retrieves data without modifying state.
Register the PiKVM MCP Server MCP server in PolicyLayer and add a rule for pikvm_screenshot: 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 PiKVM MCP Server. Nothing to install.
pikvm_screenshot 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 pikvm_screenshot 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 pikvm_screenshot. 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.
pikvm_screenshot is provided by the PiKVM MCP Server MCP server (kultivatorconsulting/pikvm_mcp_server). 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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