playwright-trace-decoder-mcp

Tools · 12

• get_test_metadata Returns browser, platform, viewport, test title, wall-clock start time from a trace.
• get_trace_summary Returns failing action, top-level error, and total action count from a trace.
• get_action_timeline Returns a paginated list of all actions with API names, locators, and timings.
• get_filtered_network_logs Returns only 4xx/5xx responses from network logs, stripping static assets.
• get_console_errors Returns JS exceptions and warnings from the browser console.
• get_element_state_at_failure Returns failing locator, error message, and raw before/after metadata.
• extract_trace_metadata_strict Returns format version, retry session breakdown, and HAR payload mode.
• get_aria_accessibility_tree Returns ARIA accessibility tree as compact YAML, defaulting to snapshot at failed action.
• get_dom_mutation_delta Returns set-diff of ARIA lines before vs after a specified action.
• map_locator_to_source Maps a failing locator to the exact source code file, line, and column.
• extract_critical_frames Extracts critical visual frames (screenshots) around the failure as base64 images.
• trim_trace_archive Trims a trace archive by removing screenshots outside the failure window to save storage.