[Bug] Unable to Toggle @mention Functionality in MCP

Bug Description
can not toggle @ mention with mcp

Environment Info

• Platform: darwin
• Terminal: tmux
• Version: 2.0.13
• Feedback ID: 44053a38-c2ea-4de5-8239-92b4697a29f7

Errors

[{"error":"SyntaxError: Unexpected token 'm', \"mcps/github.json\" is not valid JSON\n    at JSON.parse (<anonymous>)\n    at file:///Users/devstefancho/.config/nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:62:719\n    at Q (file:///Users/devstefancho/.config/nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:15093)\n    at ip0.<anonymous> (file:///Users/devstefancho/.config/nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3572:218)\n    at ip0.B [as _actionHandler] (file:///Users/devstefancho/.config/nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3505:528)\n    at file:///Users/devstefancho/.config/nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3509:3119\n    at ip0._chainOrCall (file:///Users/devstefancho/.config/nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3509:1686)\n    at ip0._parseCommand (file:///Users/devstefancho/.config/nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3509:3095)\n    at ip0.parseAsync (file:///Users/devstefancho/.config/nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3506:4167)\n    at iz8 (file:///Users/devstefancho/.config/nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3604:1584)","timestamp":"2025-10-10T05:33:06.970Z"}]