Step 1: Pipeline Initialization. Binds the system-level probe to the target environment to extract high-quality business data from complex dynamic environments. Decouples caching and ServiceWorker proxy layers for pure telemetry.
AI agents invoke init_ruishu_hook to trigger actions in Ruishu MCP. 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.
This tool initializes a system-level hook into a browser environment using Chrome DevTools Protocol, binding probes and manipulating ServiceWorker/caching layers. This constitutes executing an external operation that modifies the runtime environment of a browser session — going beyond a simple read or write to actively instrumenting and altering how the target environment processes network traffic.
From the tool's definition 'Binds the system-level probe to the target environment', 'Decouples caching and ServiceWorker proxy layers for pure telemetry'
Risk signalsAdmin/system-level operation
Documented attack patterns abuse exactly the kind of access init_ruishu_hook gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Ruishu MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for init_ruishu_hook:
{
"version": "1",
"default": "deny",
"tools": {
"init_ruishu_hook": {
"limits": [
{
"counter": "init_ruishu_hook_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}init_ruishu_hook 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.
Free to start. No card required.
Step 1: Pipeline Initialization. Binds the system-level probe to the target environment to extract high-quality business data from complex dynamic environments. Decouples caching and ServiceWorker proxy layers for pure telemetry. It is categorised as a Execute tool in the Ruishu MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Ruishu MCP server in PolicyLayer and add a rule for init_ruishu_hook: 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 Ruishu MCP. Nothing to install.
init_ruishu_hook 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 init_ruishu_hook 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 init_ruishu_hook. 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.
init_ruishu_hook is provided by the Ruishu MCP server (xuange520/ruishu-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 3 Ruishu MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
3 Ruishu MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.