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Configuration & Memory Files
30 cards
settings.json layering: file locations, precedence, and permissions merging
AGENTS.md compatibility (cross-agent shared instructions)
CLAUDE.md rule drift in long sessions (and when to use hooks instead)
Output styles: format, scope, and interaction with CLAUDE.md / system prompt
+1 more
MCP Servers & Tools
56 cards
Adding an MCP server: transports, scopes, and the claude mcp add command
MCP server shows Connected but exposes 0 tools
Custom model endpoints and gateway routing
Custom slash command argument handling and frontend stripping bugs
+3 more
Runtime Behavior & Recovery
85 cards
CLAUDE.md rule drift in long sessions (and when to use hooks instead)
PreToolUse:Bash hooks silently not firing (v2.1.176+ regression)
Context window overflow and /compact failure modes
API 400 'tool_use without tool_result' and parallel-tool conversation corruption
+12 more
CI/CD with claude-code-action
60 cards
Authenticating claude-code-action: API key vs Max/Pro subscription
OIDC / token-exchange failures and bot-triggered workflow 401s
CI install hangs and SDK crashes in claude-code-action
CI permissions syntax: 'Bash' vs 'Bash(*)' and the sticky-review comment
+3 more
Usage, Quotas & Cost Control
79 cards
Context window overflow and /compact failure modes
Subagent recursive self-spawn and orchestration explosions
Session vs weekly quotas: why usage feels wrong
Token-spend levers: the cost-control playbook
+3 more
Terminal & Environment Integration
8 cards
Windows native binary stability and crash recovery
Image paste in WSL2 / Windows Terminal: Ctrl+V unreliable, use drag-drop or file paths
Windows nul device file artifacts: creation, deletion, and prevention
Windows shell selection via shellPath: Git Bash auto-detection causing find/ls/grep hangs
IDE & Plugin Integration
12 cards
JetBrains plugin IDE integration failure in WSL: WSLENV variable passthrough
Image paste in WSL2 / Windows Terminal: Ctrl+V unreliable, use drag-drop or file paths
Output styles: format, scope, and interaction with CLAUDE.md / system prompt
VS Code extension session persistence across folder switches
+1 more
Model Quality & Performance Issues
4 cards
Model quality regression: official postmortem on context-routing, output corruption, and token-selection bugs
Subscription Credentials & Third-Party CLI Integration
5 cards
Pro/Max credentials via third-party CLI: policy, abuse classifier risks, and when to use API key instead
Account Registration & SMS Verification Failures
Organization Disabled: API key conflict vs account suspension
Session Architecture & Workflow
20 cards
Session initialization and lifecycle: explore → plan → verify → iterate
Configuration layering: CLAUDE.md vs CLAUDE.local.md vs skills vs subagents
Subagent definition schema and scope resolution
Hatch / Hidden venv discovery and per-invocation environment setup
+3 more
Agent Orchestration & Multi-Session Workflows
1 cards
Multi-agent orchestrator tool types and selection matrix
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