Chrome MCP: Failed to parse tabs_context response: SyntaxError

Resolved 💬 1 comment Opened May 15, 2026 by keaedwar Closed Jun 7, 2026

Running Claude Code in VSCode with other MCP servers running, I'm getting this failure

github.com/anthropics/claude-code/issues/new?labels=bug,claude-in-chrome
2026-05-15 11:40:21.370 [warning] Chrome MCP: Failed to parse tabs_context response: SyntaxError: Unexpected token 'B', "Browser ex"... is not valid JSON
2026-05-15 11:40:21.370 [warning] Response text: Browser extension is not connected. Please ensure the Claude browser extension is installed and running (https://claude.ai/chrome), and that you are logged into claude.ai with the same account as Claude Code. If this is your first time connecting to Chrome, you may need to restart Chrome for the installation to take effect. If you continue to experience issues, please report a bug: https://github.com/anthropics/claude-code/issues/new?labels=bug,claude-in-chrome
2026-05-15 11:40:29.777 [info] From claude: 2026-05-15T15:40:29.777Z [DEBUG] BigQuery metrics exported successfully
2026-05-15T15:40:29.777Z [DEBUG] "BigQuery API Response: {\n  \"accepted_count\": 6,\n  \"rejected_count\": 0\n}"

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