Connection Instability in Browser MCP Requiring Session Restart

Bug Description
Browser MCP keeps getting disconnected until I start a new CC session.

Environment Info

• Platform: macos
• Terminal: cursor
• Version: 1.0.17
• Feedback ID:

Errors

[{"error":"Error: 1: ENOENT \n    at NR6 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1358:4470)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async ER6 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1358:2566)","timestamp":"2025-06-08T18:23:39.989Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at kD (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1476:1169)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1476:905\n    at Array.map (<anonymous>)\n    at dw (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1476:896)\n    at MN2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1920:9259)\n    at XE (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:142:19798)\n    at JT (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:144:42555)\n    at WT (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:144:38104)\n    at e$ (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:144:38032)\n    at _E (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:144:37886)","timestamp":"2025-06-09T18:34:44.108Z"},{"error":"ShellError: Shell command failed\n    at Object.call (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1573:1326)\n    at async iZ5 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:19166)\n    at async WK1 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:17752)\n    at async cZ5 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:16794)\n    at async uZ5 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:16423)\n    at async NO (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:15452)\n    at async NO (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:16278)\n    at async NO (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:16278)\n    at async NO (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:16278)\n    at async NO (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:16278)","timestamp":"2025-06-09T22:19:11.650Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at kD (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1476:1169)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1476:905\n    at Array.map (<anonymous>)\n    at dw (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1476:896)\n    at MN2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1920:9259)\n    at XE (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:142:19798)\n    at JT (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:144:42555)\n    at WT (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:144:38104)\n    at e$ (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:144:38032)\n    at _E (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:144:37886)","timestamp":"2025-06-09T22:35:54.507Z"},{"error":"ShellError: Shell command failed\n    at Object.call (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1573:1326)\n    at async iZ5 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:19166)\n    at async WK1 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:17752)\n    at async cZ5 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:16794)\n    at async uZ5 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:16423)\n    at async NO (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:15452)\n    at async dZ (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2328:2123)","timestamp":"2025-06-09T22:38:18.481Z"},{"error":"ShellError: Shell command failed\n    at Object.call (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1573:1326)\n    at async iZ5 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:19166)\n    at async WK1 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:17752)\n    at async cZ5 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1896:16794)\n    at asyn

Note: Error logs were truncated.

MCP Error logs:

},
{
"error": "transport closed",
"timestamp": "2025-06-07T18:15:03.719Z",
"sessionId": "e4329c7e-49d1-414f-9c79-db6c37ee73fd",
"cwd": "/Users/aj/dev/parcha/parcha-dev"
}
]