feat: add configuration management and MCP secrets workflows (closes #16204)
Major additions to address critical gaps in Claude Code configuration: ## New Documentation Sections 1. Section 3.2.1 "Version Control & Backup" (guide/ultimate-guide.md:4085) - Configuration hierarchy: global → project → local - Git strategy for ~/.claude (symlinks approach) - Backup strategies: Git remote, cloud sync, cron - Multi-machine sync workflows - Disaster recovery procedures - Documented .claude/settings.local.json (previously undocumented) 2. Section 8.3.1 "MCP Secrets Management" (guide/ultimate-guide.md:8113) - Three practical approaches: OS Keychain, .env, Secret Vaults - Secrets rotation workflow - Pre-commit secret detection - Verification checklist - Best practices summary ## New Templates 1. sync-claude-config.sh (examples/scripts/) - Commands: setup, sync, backup, restore, validate - .env parsing + envsubst for variable substitution - Git repo creation with symlinks - Validation checks (secrets not in Git) 2. pre-commit-secrets.sh (examples/hooks/bash/) - Detects 10+ secret patterns (OpenAI, GitHub, AWS, etc.) - Whitelist system for false positives - Clear error messages with remediation steps 3. settings.local.json.example (examples/config/) - Machine-specific overrides template - Example use cases and patterns ## Resource Evaluation - Added docs/resource-evaluations/ratinaud-config-management-evaluation.md - Score: 5/5 (CRITICAL) - Validated via 3 Perplexity searches + technical-writer agent challenge - Community demand: GitHub #16204 + brianlovin/claude-config ## Updated References - machine-readable/reference.yaml: 22 new entries - Configuration management sections - MCP secrets workflows - Community resources (Ratinaud, brianlovin, GitHub issue) ## Impact - Security: Pre-commit hook prevents secret leaks - Productivity: Multi-machine sync reduces manual reconfig - Team coordination: Onboarding workflow for ~/.claude setup - Disaster recovery: Backup/restore strategies documented Credits: - Martin Ratinaud (504 sessions, LinkedIn post) - brianlovin/claude-config (community example) - GitHub Issue #16204 (community request) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Florian BRUNIAUX
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examples/hooks/bash/pre-commit-secrets.sh
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examples/hooks/bash/pre-commit-secrets.sh
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#!/bin/bash
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# pre-commit-secrets.sh - Pre-commit hook to detect secrets in staged files
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# Version: 1.0.0
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# Purpose: Prevent accidental commits of API keys, tokens, and credentials
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#
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# Installation:
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# cp examples/hooks/bash/pre-commit-secrets.sh .git/hooks/pre-commit
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# chmod +x .git/hooks/pre-commit
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#
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# Test:
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# echo "GITHUB_TOKEN=ghp_test" > test.txt
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# git add test.txt
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# git commit -m "Test"
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# # Should fail with secret detection error
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set -euo pipefail
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# Colors
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RED='\033[0;31m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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# Secret patterns (extended regex)
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declare -A PATTERNS=(
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["OpenAI API Key"]="sk-[A-Za-z0-9]{48}"
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["GitHub Token (ghp)"]="ghp_[A-Za-z0-9]{36}"
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["GitHub Token (gho)"]="gho_[A-Za-z0-9]{36}"
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["GitHub Token (ghu)"]="ghu_[A-Za-z0-9]{36}"
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["GitHub Token (ghs)"]="ghs_[A-Za-z0-9]{36}"
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["GitHub Token (ghr)"]="ghr_[A-Za-z0-9]{36}"
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["AWS Access Key"]="AKIA[A-Z0-9]{16}"
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["AWS Secret Key"]="[A-Za-z0-9/+=]{40}"
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["Anthropic API Key"]="sk-ant-[A-Za-z0-9-]{95,}"
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["Generic API Key"]="api[_-]?key[\"']?\s*[:=]\s*[\"']?[A-Za-z0-9]{20,}"
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["Generic Secret"]="secret[\"']?\s*[:=]\s*[\"']?[A-Za-z0-9]{20,}"
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["Generic Token"]="token[\"']?\s*[:=]\s*[\"']?[A-Za-z0-9]{20,}"
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["Database URL with Password"]="(postgres|mysql|mongodb)://[^:]+:[^@]+@"
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["Private Key"]="-----BEGIN (RSA |EC |OPENSSH )?PRIVATE KEY-----"
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["JWT Token"]="eyJ[A-Za-z0-9_-]{10,}\.[A-Za-z0-9_-]{10,}\.[A-Za-z0-9_-]{10,}"
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)
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# Whitelisted patterns (safe to ignore)
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WHITELIST=(
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"your_token_here"
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"your_key_here"
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"example.com"
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"localhost"
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"placeholder"
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"XXXXXX"
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"\${env:" # Template variable syntax
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"sk-ant-example" # Example in documentation
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)
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# Files to always skip (even if staged)
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SKIP_FILES=(
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"*.md" # Documentation often contains example secrets
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"*.txt" # Same for text files
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"*example*"
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"*template*"
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"*.sample"
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)
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# Check if a file should be skipped
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should_skip_file() {
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local file=$1
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for pattern in "${SKIP_FILES[@]}"; do
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# Convert glob to regex
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local regex="${pattern//\*/.*}"
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if [[ $file =~ $regex ]]; then
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return 0 # Skip this file
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fi
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done
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return 1 # Don't skip
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}
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# Check if a match is whitelisted
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is_whitelisted() {
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local match=$1
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for whitelist in "${WHITELIST[@]}"; do
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if [[ $match == *"$whitelist"* ]]; then
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return 0 # Whitelisted
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fi
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done
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return 1 # Not whitelisted
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}
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# Main secret detection logic
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detect_secrets() {
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local files
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files=$(git diff --cached --name-only --diff-filter=ACM)
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if [ -z "$files" ]; then
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exit 0 # No staged files
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fi
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local found_secrets=0
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local secrets_report=""
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# Iterate through staged files
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while IFS= read -r file; do
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# Skip if file should be ignored
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if should_skip_file "$file"; then
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continue
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fi
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# Skip if file doesn't exist (deleted)
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if [ ! -f "$file" ]; then
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continue
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fi
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# Get staged content
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local content
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content=$(git show ":$file" 2>/dev/null || continue)
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# Check each pattern
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for pattern_name in "${!PATTERNS[@]}"; do
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local pattern="${PATTERNS[$pattern_name]}"
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local matches
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matches=$(echo "$content" | grep -noE "$pattern" || true)
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if [ -n "$matches" ]; then
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# Check each match against whitelist
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while IFS= read -r match; do
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local line_num="${match%%:*}"
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local matched_text="${match#*:}"
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if ! is_whitelisted "$matched_text"; then
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found_secrets=1
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secrets_report+=" ${file}:${line_num} - ${pattern_name}\n"
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secrets_report+=" Content: ${matched_text:0:50}...\n"
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fi
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done <<< "$matches"
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fi
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done
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done <<< "$files"
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# Report findings
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if [ $found_secrets -eq 1 ]; then
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echo -e "${RED}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
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echo -e "${RED}✗ COMMIT BLOCKED: Secrets detected in staged files${NC}"
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echo -e "${RED}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
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echo ""
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echo -e "${YELLOW}Found potential secrets:${NC}"
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echo -e "$secrets_report"
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echo ""
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echo -e "${YELLOW}Remediation steps:${NC}"
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echo " 1. Remove secrets from files"
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echo " 2. Use environment variables: \${env:VAR_NAME}"
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echo " 3. Store secrets in ~/.claude/.env (gitignored)"
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echo " 4. See: guide/ultimate-guide.md Section 8.3.1"
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echo ""
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echo -e "${YELLOW}If this is a false positive:${NC}"
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echo " - Edit .git/hooks/pre-commit and add to WHITELIST array"
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echo " - Or skip hook: git commit --no-verify (USE WITH CAUTION)"
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echo ""
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exit 1
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fi
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exit 0
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}
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# Run detection
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detect_secrets
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