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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.211

Chrome Tool Error Classification

What

Errors from Chrome bridge tools (javascript_tool, computer, get_page_text) are now classified into structured named error types for telemetry, replacing untyped catch-all error handling.

Details
  • JavaScript tool errors: js_permission_denied, js_timeout, js_execution_error, js_exception, tab_not_found.
  • Computer (input/action) tool errors: computer_permission_denied, computer_element_not_found, computer_action_failed, computer_zoom_shortcut_unsupported, computer_exception.
  • Page text extraction errors: get_page_text_permission_denied, get_page_text_too_large, get_page_text_no_content, get_page_text_script_error, get_page_text_exception.
  • Shared cross-tool error: navigation_blocked, permission_denied_user, authentication_failed, session_expired, domain_blocked, security_check_failed.
Evidence

Error classification registry (search for "js_permission_denied")

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.211 →