restart_explorer
Restarts the Windows Explorer process (windows.exe / taskbar / file explorer). Fixes a frozen taskbar, unresponsive Start menu, or ghost icons without a full reboot — a classic tech-support trick. Requires confirm:true — call once first to preview.. CRITICAL: Never output
This record as markdown: /tools/nitrostack/restart-explorer.md
What restart_explorer does on Nitrostack
AI agents invoke restart_explorer to trigger actions in Nitrostack. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why restart_explorer is rated High
Restarts critical OS process; disruptive but generally recoverable, requires confirmation.
From the tool's definition Restarts Windows Explorer process, system-level operation with side effects.
Attacks that exploit this kind of access
The rule that runs restart_explorer safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Nitrostack, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For restart_explorer, this is the rule to start with:
restart_explorer stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Nitrostack, apply this rule, and every restart_explorer call is checked against it from then on.
Questions about restart_explorer
Restarts the Windows Explorer process (windows.exe / taskbar / file explorer). Fixes a frozen taskbar, unresponsive Start menu, or ghost icons without a full reboot — a classic tech-support trick. Requires confirm:true — call once first to preview.. CRITICAL: Never output. It is categorised as a Execute tool in the Nitrostack MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Nitrostack MCP server in PolicyLayer and add a rule for restart_explorer: 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 Nitrostack. Nothing to install.
restart_explorer is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the restart_explorer 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 restart_explorer. 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.
restart_explorer is provided by the Nitrostack MCP server (nitrocloudofficial/nitrostack). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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