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Fix Claude Code Agent tool crash when PreToolUse hook returns updatedInput with only model field Includes evidence for Claude Code troubleshooting demand.
TypeError: undefined is not an object (evaluating 'K.length') — Agent tool crash with PreToolUse hook returning partial updatedInput Fix Claude Code hanging when running shell commands (find, ls, grep) on Windows Includes evidence for Claude Code troubleshooting demand.
Claude Code freezes every time it runs shell commands on Windows — find, ls, grep hang indefinitely Fix Claude Code hanging indefinitely on prompts with no response Includes evidence for Claude Code troubleshooting demand.
Claude Code hangs on every prompt and never produces a response Fix Claude Code process exiting with code 3 and failing to load config cache Includes evidence for Claude Code troubleshooting demand.
Failed to load config cache: Error: Claude Code process exited with code 3 Fix Claude Desktop MSIX installation failure with HRESULT 0x80073CFF on Windows Includes evidence for Claude Desktop troubleshooting demand.
MSIX installation failed: AddPackage failed with HRESULT 0x80073CFF Fix 'Header has invalid value' error when using non-ASCII names in Claude Code Agent Teams Includes evidence for Claude Code troubleshooting demand.
Header has invalid value (x-claude-code-agent-id with non-ASCII characters) Fix MCP server auth returning HTTP 431 in Claude Code Includes evidence for Claude Code troubleshooting demand.
HTTP ERROR 431 (MCP server authentication) Fix EJSONPARSE error when installing or updating Claude Code plugins Includes evidence for Claude Code troubleshooting demand.
EJSONPARSE: Unexpected non-whitespace character after JSON at position (Claude Code plugin cache) Fix Slack MCP server authentication broken after Claude Code update Includes evidence for Claude Code troubleshooting demand.
does not support dynamic client registration (Slack MCP server auth regression) Fix Claude Code 401 authentication error that blocks all commands including /login Includes evidence for Claude Code troubleshooting demand.
API Error: 401 {"type":"error","error":{"type":"authentication_error","message":"Invalid authentication credentials"}} Fix Claude Code MCP server configuration corruption error Includes evidence for Claude Code troubleshooting demand.
mcpServers.mcpServers: Does not adhere to MCP server configuration schema Fix Claude Code not loading project-scope .mcp.json MCP servers Includes evidence for Claude Code troubleshooting demand.
Project-scope .mcp.json silently skipped during startup — no servers loaded, no error logged Fix Claude Code MCP processes consuming all RAM after closing sessions Includes evidence for Claude Code troubleshooting demand.
Closed Claude Code sessions leave disclaimer + MCP child processes alive, accumulating GBs of RAM over a day Fix Claude Code VSCode stream stalling after tool_use block, UI stuck in thinking state Includes evidence for Claude Code troubleshooting demand.
v2.1.141 regression: VSCode stream stalls at ~670 bytes after tool_use; UI hangs in thinking 5 min, work silently lost Fix Claude Code orphaned claude.exe processes consuming RAM on Windows Includes evidence for Claude Code troubleshooting demand.
Orphaned claude.exe subprocesses (resume flag) accumulate after closing Claude Desktop session windows Fix Claude Code mcp remove command leaking environment variable secrets into .mcp.json file on disk Includes evidence for Claude Code troubleshooting demand.
claude mcp remove expands ${VAR} env-var references inline in .mcp.json, leaking secrets to disk Fix Claude Code billing error where ANTHROPIC_API_KEY overrides valid Max/Pro subscription causing organization disabled error Includes evidence for Claude Code troubleshooting demand.
Organization has been disabled error when ANTHROPIC_API_KEY is set with valid Max/Pro subscription Fix Claude Code heredoc marker bypassing file read permission settings Includes evidence for Claude Code troubleshooting demand.
Heredoc pipe bypass (<<EOF) allows reading files denied in permission settings — v2.1.141 regression of #48518 Fix Claude Code VSCode extension stream termination when using AWS Bedrock Opus 4.7 Includes evidence for Claude Code troubleshooting demand.
VSCode extension stream ends with 0 events when using AWS Bedrock Opus 4.7 — CLI works but GUI unusable Fix Gemini CLI 429 rate limit errors and capacity exhaustion issues Includes evidence for Gemini CLI troubleshooting demand.
429 Too Many Requests — Gemini CLI capacity exhaustion (P0 tracker, 94+ comments)