Created
September 19, 2025 01:50
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TodoWrite Claude Code Self Evaluation Hook
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| #!/bin/bash | |
| # Lightweight Todo Completion Quality Check | |
| input=$(cat) | |
| # Extract tool name with error handling | |
| if ! tool_name=$(echo "$input" | jq -r '.tool_name' 2>/dev/null); then | |
| exit 0 # Invalid JSON, skip check | |
| fi | |
| # Debug: Log all tool calls | |
| echo "[$(date)] Hook triggered by tool: $tool_name" >> ~/.claude/hook-debug.log | |
| # Initialize completed_todos | |
| completed_todos="" | |
| # Handle TodoWrite tool | |
| if [[ "$tool_name" == "TodoWrite" ]]; then | |
| completed_todos=$(echo "$input" | jq -r '.tool_input.todos[]? | select(.status == "completed") | .content' 2>/dev/null || echo "") | |
| # Handle MCP task tools | |
| elif [[ "$tool_name" =~ mcp__.*task.* ]]; then | |
| if new_status=$(echo "$input" | jq -r '.tool_input.status // empty' 2>/dev/null); then | |
| if [[ "$new_status" =~ ^(done|completed|finished)$ ]]; then | |
| completed_todos=$(echo "$input" | jq -r '.tool_input.title // "Task completion"' 2>/dev/null || echo "Task completion") | |
| fi | |
| fi | |
| # Try to find completed todos in any tool input | |
| else | |
| completed_todos=$(echo "$input" | jq -r '.tool_input | try (.todos[]? | select(.status == "completed") | .content) // empty' 2>/dev/null || echo "") | |
| fi | |
| # Count non-empty lines only - handle multiline output properly | |
| if [[ -n "$completed_todos" && "$completed_todos" != "" ]]; then | |
| todo_count=$(echo "$completed_todos" | grep -c '^.' 2>/dev/null || echo "0") | |
| else | |
| todo_count=0 | |
| fi | |
| # Ensure todo_count is a valid integer | |
| todo_count=${todo_count:-0} | |
| [[ ! "$todo_count" =~ ^[0-9]+$ ]] && todo_count=0 | |
| [ "$todo_count" -eq 0 ] && exit 0 | |
| # Write evaluation message to stderr so Claude sees it | |
| cat >&2 << EVAL_EOF | |
| ⚠️ QUALITY CHECK: $todo_count todo(s) completed | |
| $(echo "$completed_todos" | sed 's/^/• /') | |
| SCORE YOUR WORK (18+ required, MAX 23): | |
| +10 elegant solution, +5 optimization, +3 perfect style, +2 minimal code, +2 edge cases, +1 portable | |
| -10 broken/fake code, -10 placeholders/TODOs, -10 security flaws, -5 bad algorithms, -3 bloated code, -2 missed edges, -1 overcomplicated, -23 MISLEAD USER | |
| ❌ AUTO-FAIL: TODO comments, NotImplementedError, function stubs, mock/demo code, hardcoded secrets, broken functionality, claiming completion when work is incomplete | |
| Provide score and brief justification. | |
| EVAL_EOF | |
| # Exit with code 2 to block and show message to Claude | |
| exit 2 |
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