/debug[description]

Enables debug logging from this point and troubleshoots by reading the session debug log. Optionally describe the issue.

Best use

/debug the MCP server keeps failing to connect.

Used in these situations

• Claude Code itself is misbehaving/doctor → /status → /debug → /bug

Related commands · Diagnostics & feedback

• /doctorRun a checkup when something is wrong
• /helpShow help and all commands
• /powerupLearn features through interactive lessons
• /bugReports a bug or shares your conversation; you choose how much history to include and confirm before anything is sent.
• /exitExits the CLI.
• /feedbackSends product feedback using the same dialog and consent step as /bug.
• /heapdumpWrites a heap snapshot and memory breakdown to the Desktop for diagnosing high memory.
• /release-notesViews the changelog in a version picker; notes appear without entering Claude's context.