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onyx_browser_navigate

Navigate a Chrome DevTools Protocol session to a target URL and wait for load. Returns the final URL after redirects, page title, and elapsed wait time. Use as the first step of a browser-agent workflow — screenshot/click/type tools below act on whatever page this lands on. Demo mode (default in ...

Risk signalsAccepts URL/endpoint input (url)

Part of the Onyx Mcp server.

onyx_browser_navigate can trigger actions in Onyx Mcp, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents invoke onyx_browser_navigate to trigger processes or run actions in Onyx Mcp. Execute operations can have side effects beyond the immediate call -- triggering builds, sending notifications, or starting workflows. Rate limits and argument validation are essential to prevent runaway execution.

onyx_browser_navigate can trigger processes with real-world consequences. An uncontrolled agent might start dozens of builds, send mass notifications, or kick off expensive compute jobs. PolicyLayer enforces rate limits and validates arguments to keep execution within safe bounds.

Execute tools trigger processes. Rate-limit and validate arguments to prevent unintended side effects.

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "onyx_browser_navigate": {
      "limits": [
        {
          "counter": "onyx_browser_navigate_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

See the full Onyx Mcp policy for all 67 tools.

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These attack patterns abuse exactly the kind of access onyx_browser_navigate gives an agent. Each links to the full case and the policy that stops it:

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Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so onyx_browser_navigate only ever does what you allow.

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Other execute tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.

What does the onyx_browser_navigate tool do? +

Navigate a Chrome DevTools Protocol session to a target URL and wait for load. Returns the final URL after redirects, page title, and elapsed wait time. Use as the first step of a browser-agent workflow — screenshot/click/type tools below act on whatever page this lands on. Demo mode (default in cloud) returns a plausible synthetic result; self-host with ONYX_CDP_URL pointed at your Chrome (--remote-debugging-port=9222) for real navigation. (price: $0.005 USDC, tier: metered). It is categorised as a Execute tool in the Onyx Mcp MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on onyx_browser_navigate? +

Register the Onyx MCP server in PolicyLayer and add a rule for onyx_browser_navigate: 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 Onyx Mcp. Nothing to install.

What risk level is onyx_browser_navigate? +

onyx_browser_navigate is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit onyx_browser_navigate? +

Yes. Add a rate_limit block to the onyx_browser_navigate 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 onyx_browser_navigate completely? +

Set action: deny in the PolicyLayer policy for onyx_browser_navigate. 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 onyx_browser_navigate? +

onyx_browser_navigate is provided by the Onyx MCP server (https://onyx-actions.onrender.com/mcp/). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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Deterministic rules across all 67 Onyx Mcp tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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