capture_network_requests · Mcp Network Analyzer MCP

WHAT IT DOES

What capture_network_requests does on Mcp Network Analyzer

AI agents invoke capture_network_requests to trigger actions in Mcp Network Analyzer. 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 IT NEEDS A POLICY

Why capture_network_requests needs a policy

This tool actively launches a browser automation session (Playwright), which is an external execution of a browser process. It also persists authentication state and records HTTP traffic to disk, combining external process execution with write side-effects.

From the tool's definition Launches a Playwright session, persists auth if requested, and records HTTP traffic

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

capture_network_requests Rate-limited

capture_network_requests 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "capture_network_requests": {
      "limits": [
        {
          "counter": "capture_network_requests_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Mcp Network Analyzer, so you can run agents against it safely.

FAQ

Questions about capture_network_requests

What does the capture_network_requests tool do? +

Launches a Playwright session, persists auth if requested, and records HTTP traffic into data/captures/. A unique sessionId is automatically generated if not provided. It is categorised as a Execute tool in the Mcp Network Analyzer MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on capture_network_requests? +

Register the Mcp Network Analyzer MCP server in PolicyLayer and add a rule for capture_network_requests: 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 Mcp Network Analyzer. Nothing to install.

What risk level is capture_network_requests? +

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

Can I rate-limit capture_network_requests? +

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

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

capture_network_requests is provided by the Mcp Network Analyzer MCP server (kylebrodeur/mcp-network-analyzer). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.