openclaw - 💡(How to fix) Fix Feature: browser tool - expose CDP Network domain for request interception [1 comments, 2 participants]

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openclaw/openclaw#51394Fetched 2026-04-08 01:11:46
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Fix Action

Fix / Workaround

When automating interactions with SPAs (especially ByteDance products), we need to discover the actual API endpoints. Currently the only workaround is hooking window.fetch via page.evaluate, which misses XHR and other request types.

Code Example

browser act kind=network action=enable
browser act kind=network action=requests  # list captured requests
browser act kind=network action=intercept url_pattern=...  # capture matching requests
RAW_BUFFERClick to expand / collapse

Feature Request

The browser tool currently does not expose CDP Network domain capabilities. This makes it impossible to:

  • Intercept and analyze network requests during browser automation
  • Discover API endpoints used by SPAs (critical for platforms like 抖音/番茄)
  • Monitor request/response pairs for debugging

Proposed API

browser act kind=network action=enable
browser act kind=network action=requests  # list captured requests
browser act kind=network action=intercept url_pattern=...  # capture matching requests

Use Case

When automating interactions with SPAs (especially ByteDance products), we need to discover the actual API endpoints. Currently the only workaround is hooking window.fetch via page.evaluate, which misses XHR and other request types.

extent analysis

Fix Plan

To expose CDP Network domain capabilities, we need to implement the proposed API. Here are the concrete steps:

  • Add a new command to the browser tool to enable the Network domain:
    • browser act kind=network action=enable
  • Implement the requests action to list captured requests:
    • browser act kind=network action=requests
  • Implement the intercept action to capture matching requests:
    • browser act kind=network action=intercept url_pattern=...

Example Code

import json

# Enable Network domain
def enable_network_domain():
    # Send command to enable Network domain
    return send_command("browser act kind=network action=enable")

# List captured requests
def get_requests():
    # Send command to get requests
    response = send_command("browser act kind=network action=requests")
    return json.loads(response)

# Intercept matching requests
def intercept_requests(url_pattern):
    # Send command to intercept requests
    return send_command(f"browser act kind=network action=intercept url_pattern={url_pattern}")

# Send command to browser tool
def send_command(command):
    # Implement command sending logic here
    pass

Verification

To verify that the fix worked, you can:

  • Enable the Network domain using the enable_network_domain function
  • List captured requests using the get_requests function
  • Intercept matching requests using the intercept_requests function

Extra Tips

  • Make sure to handle errors and exceptions properly when sending commands to the browser tool
  • Consider adding logging and debugging mechanisms to the implementation
  • Test the implementation thoroughly to ensure it works as expected

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