claude-code - 💡(How to fix) Fix [BUG] Claude in Chrome: moneyforward.com blocked by internal domain blocklist [1 comments, 2 participants]

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anthropics/claude-code#46495Fetched 2026-04-11 06:18:47
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Error Message

Error Messages/Logs

  1. Error: "Navigation to this domain is not allowed"
  2. Error: "Permission denied for JavaScript execution on this domain"
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Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

Bug Report

Navigation to moneyforward.com / moneyforward.me fails with "Navigation to this domain is not allowed" when using Claude in Chrome scheduled tasks.

Additionally, even when the user manually opens moneyforward.com in the MCP tab group, JavaScript execution also fails with "Permission denied for JavaScript execution on this domain".

Chrome extension site access is already set to "All sites", so this is not a Chrome permissions issue — it appears to be an internal domain blocklist within the extension itself.

Steps to Reproduce

  1. Use mcp__Claude_in_Chrome__navigate with URL https://moneyforward.com/
  2. (Or open manually and use mcp__Claude_in_Chrome__javascript_tool)

Expected

Page loads and JS executes normally.

Actual

  • Navigation: Navigation to this domain is not allowed
  • JS execution: Permission denied for JavaScript execution on this domain

What Should Happen?

Navigation to moneyforward.com and JavaScript execution on the page should work normally, just like other sites.

Error Messages/Logs

Steps to Reproduce

  1. Use Claude in Chrome with a scheduled task
  2. Call mcp__Claude_in_Chrome__navigate with URL https://moneyforward.com/
  3. Error: "Navigation to this domain is not allowed"
  4. Alternatively, open moneyforward.com manually in the MCP tab group and call mcp__Claude_in_Chrome__javascript_tool
  5. Error: "Permission denied for JavaScript execution on this domain"

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

アプリ版

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The issue can likely be resolved by removing or updating the internal domain blocklist within the Claude extension to allow navigation to and JavaScript execution on moneyforward.com.

Guidance

  • Investigate the Claude extension's internal domain blocklist to determine why moneyforward.com is being blocked.
  • Verify that the blocklist is not being overridden by any other settings or configurations within the extension or Chrome.
  • Check for any updates to the Claude extension that may address this issue, as it is reported to be a regression from a previous version.
  • Consider manually allowing the domain in the extension's settings, if possible, as a temporary workaround.

Notes

The exact steps to resolve the issue may depend on the internal implementation of the Claude extension and its blocklist, which is not provided in the issue.

Recommendation

Apply workaround: Manually allow the domain in the extension's settings, if possible, until an updated version of the extension is available that resolves the issue.

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