#Claude Code

Fixes for the Claude Code errors that cost the most time: SSL failures behind corporate proxies, model-not-found 404s, 529 overloaded, runaway token usage, Windows startup errors, MCP servers and auto mode. Each post starts from the exact error message and ends with the fix.

Articles with this tag

Claude Code 'Not Logged In · Please Run /login' and 'Login Expired': What Each Means and the Fix
Claude Code says 'Not logged in · Please run /login' when the session has no credential it can use, and 'Login expired · Please run /login' when renewing your claude.ai login failed and the login was cleared. Since 2.1.318 there is a third: 'Login reached its time limit'. What each one means, how to check when your login ends, why Claude Code keeps logging you out, and how to stay signed in for scripts with claude setup-token.TroubleshootingAI EngineeringNovember 4, 202620 min read
Claude Code Auto Mode Is Now the Default: Turn It Off, or Keep It
Claude Code now starts in auto mode: 'Auto mode is now Claude Code's default permission mode.' What auto mode does, how to turn it off with permissions.defaultMode or Shift+Tab, how it compares with accept edits, plan and bypass permissions, and what each 'auto mode unavailable' message means.How-toAI EngineeringNovember 2, 202622 min read
Claude Code Sandbox: How to Set It Up on macOS, Linux, Windows and Docker (Tested)
How to sandbox Claude Code: turn on the built-in Bash sandbox with /sandbox, what it does and doesn't isolate, why it doesn't run on native Windows, and how to run Claude Code in Docker for --dangerously-skip-permissions. Includes a test showing the built-in sandbox can't start in a default Docker container.How-toAI EngineeringOctober 31, 202620 min read
Claude Code Deleted My Files: How to Get Them Back, and How to Stop It Happening Again
Claude Code deleted your files or your project? /rewind can't bring back a file only rm removed. The five places deleted files can still be, in order, then which protection (deny rules, hooks, the sandbox, containers) stops which kind of delete, tested.TroubleshootingAI EngineeringOctober 30, 202622 min read
Claude Code Auto Compact: Why It Keeps Compacting, and the Settings That Fix It
Claude Code compacting the conversation too often, far below the limit, or stopping with 'Autocompact is thrashing'? Those are four different causes: idle compaction, a small auto-compact window, something refilling the context, or an open bug. How to tell which one you have in a minute, with data from my own sessions, and the exact setting for each.TroubleshootingAI EngineeringOctober 28, 202618 min read
Claude SneakPeek Vulnerability: Is Your Claude Desktop Patched?
SneakPeek let a booby-trapped HTML file steal SSH keys and cloud credentials through Claude Code Desktop's preview pane. It was fixed in August in Claude Desktop 1.30096.1. Here's a one-line check I tested on Windows, and why it has nothing to do with the claude-sneakpeek tool.TroubleshootingAI EngineeringOctober 15, 202611 min read
Claude Code 'No Longer Charge for Classifier Requests': Why This Session Isn't Eligible
Claude Code says auto mode will stop charging for classifier requests, then tells you this session isn't eligible. You're paying for safety checks other sessions get free, usually because a gateway drops them. Who is billed, the fix, and why since 2.1.319 some gateway sessions ask you to approve actions instead.TroubleshootingAI EngineeringOctober 12, 202621 min read
Claude Code Not Working? Every Error and Its Fix
Every Claude Code error I've written up, grouped by what actually broke: network and enterprise setup, cost and context limits, or setup and tools. Find your exact message in the lookup table, get the one-line answer, then follow the link to the full fix.TroubleshootingAI EngineeringOctober 8, 202617 min read
Claude Code 'Compacted Using a Summary Written While You Were Away'? Turn It Off
You stepped away and came back to 'Compacted using a summary written while you were away', or in the terminal 'Compacted while idle, before the prompt cache expired'. It's idle compaction, a cost-saving feature Anthropic switched on server-side. How to turn it off in settings.json or /config, and the exact rules I found in the code.TroubleshootingAI EngineeringOctober 7, 202625 min read

#Claude Code

Articles with this tag

Claude Code 'Not Logged In · Please Run /login' and 'Login Expired': What Each Means and the Fix

Claude Code Auto Mode Is Now the Default: Turn It Off, or Keep It

Claude Code Sandbox: How to Set It Up on macOS, Linux, Windows and Docker (Tested)

Claude Code Deleted My Files: How to Get Them Back, and How to Stop It Happening Again

Claude Code Auto Compact: Why It Keeps Compacting, and the Settings That Fix It

Claude SneakPeek Vulnerability: Is Your Claude Desktop Patched?

Claude Code 'No Longer Charge for Classifier Requests': Why This Session Isn't Eligible

Claude Code Not Working? Every Error and Its Fix

Claude Code 'Compacted Using a Summary Written While You Were Away'? Turn It Off

More topics

#Claude Code

Articles with this tag

Claude Code 'Not Logged In · Please Run /login' and 'Login Expired': What Each Means and the Fix

Claude Code Auto Mode Is Now the Default: Turn It Off, or Keep It

Claude Code Sandbox: How to Set It Up on macOS, Linux, Windows and Docker (Tested)

Claude Code Deleted My Files: How to Get Them Back, and How to Stop It Happening Again

Claude Code Auto Compact: Why It Keeps Compacting, and the Settings That Fix It

Claude SneakPeek Vulnerability: Is Your Claude Desktop Patched?

Claude Code 'No Longer Charge for Classifier Requests': Why This Session Isn't Eligible

Claude Code Not Working? Every Error and Its Fix

Claude Code 'Compacted Using a Summary Written While You Were Away'? Turn It Off

More topics