claude-howto/09-advanced-features/config-examples.json

{
  "description": "Example Claude Code settings.json configurations for different use cases",

  "examples": {
    "development": {
      "name": "Development Environment",
      "description": "Configuration for active development work: auto-accept edits, prompt for commands, format/lint on write",
      "config": {
        "model": "claude-sonnet-5",
        "permissions": {
          "defaultMode": "acceptEdits",
          "allow": ["Bash(npm run *)", "Bash(git diff:*)", "Bash(git status:*)"]
        },
        "hooks": {
          "PostToolUse": [
            {
              "matcher": "Write|Edit",
              "hooks": [
                { "type": "command", "command": "$CLAUDE_PROJECT_DIR/.claude/hooks/format-and-lint.sh" }
              ]
            }
          ]
        }
      }
    },

    "code_review": {
      "name": "Code Review Mode",
      "description": "Configuration for reviewing code without modifications",
      "config": {
        "model": "claude-sonnet-5",
        "permissions": {
          "defaultMode": "plan"
        },
        "env": {
          "CLAUDE_CODE_EFFORT_LEVEL": "high"
        }
      }
    },

    "learning": {
      "name": "Learning Mode",
      "description": "Configuration for learning and experimentation: prompt before every action, checkpoint often",
      "config": {
        "model": "claude-sonnet-5",
        "permissions": {
          "defaultMode": "default"
        },
        "env": {
          "CLAUDE_CODE_EFFORT_LEVEL": "high"
        },
        "fileCheckpointingEnabled": true
      }
    },

    "production": {
      "name": "Production Deployment",
      "description": "Configuration for production operations with safety checks",
      "config": {
        "model": "claude-opus-4-8",
        "permissions": {
          "defaultMode": "default",
          "deny": ["Bash(git push --force*)", "Bash(rm -rf*)"]
        },
        "hooks": {
          "PreToolUse": [
            {
              "matcher": "Bash",
              "hooks": [
                { "type": "command", "command": "$CLAUDE_PROJECT_DIR/.claude/hooks/pre-commit.sh" }
              ]
            }
          ]
        },
        "fileCheckpointingEnabled": true
      }
    },

    "ci_cd": {
      "name": "CI/CD Pipeline",
      "description": "Configuration for automated CI/CD operations, run non-interactively via `claude -p`",
      "config": {
        "model": "claude-sonnet-5",
        "permissions": {
          "defaultMode": "acceptEdits",
          "allow": ["Bash(npm test:*)", "Bash(npm run build:*)", "Bash(npm run lint:*)"]
        },
        "env": {
          "CI": "true"
        }
      }
    },

    "security_audit": {
      "name": "Security Audit",
      "description": "Configuration for security-focused code analysis",
      "config": {
        "model": "claude-opus-4-8",
        "permissions": {
          "defaultMode": "plan"
        },
        "env": {
          "CLAUDE_CODE_EFFORT_LEVEL": "max"
        },
        "hooks": {
          "PostToolUse": [
            {
              "matcher": "Read",
              "hooks": [
                { "type": "command", "command": "$CLAUDE_PROJECT_DIR/.claude/hooks/security-scan.sh" }
              ]
            }
          ]
        }
      }
    },

    "performance_optimization": {
      "name": "Performance Optimization",
      "description": "Configuration for performance analysis and optimization",
      "config": {
        "model": "claude-sonnet-5",
        "permissions": {
          "defaultMode": "acceptEdits"
        },
        "fileCheckpointingEnabled": true
      }
    },

    "pair_programming": {
      "name": "Pair Programming",
      "description": "Configuration for collaborative development",
      "config": {
        "model": "claude-sonnet-5",
        "permissions": {
          "defaultMode": "default"
        },
        "env": {
          "CLAUDE_CODE_EFFORT_LEVEL": "high"
        }
      }
    },

    "refactoring": {
      "name": "Large Refactoring",
      "description": "Configuration for major refactoring work: backup before edits, run related tests after",
      "config": {
        "model": "claude-opus-4-8",
        "permissions": {
          "defaultMode": "default",
          "allow": ["Bash(npm test -- --findRelatedTests *)"]
        },
        "fileCheckpointingEnabled": true,
        "hooks": {
          "PreToolUse": [
            {
              "matcher": "Edit",
              "hooks": [
                { "type": "command", "command": "$CLAUDE_PROJECT_DIR/.claude/hooks/backup-file.sh" }
              ]
            }
          ],
          "PostToolUse": [
            {
              "matcher": "Edit",
              "hooks": [
                { "type": "command", "command": "$CLAUDE_PROJECT_DIR/.claude/hooks/run-related-tests.sh" }
              ]
            }
          ]
        }
      }
    },

    "autonomous": {
      "name": "Autonomous Development",
      "description": "Configuration for autonomous work with auto mode's background safety classifier plus a filesystem/network sandbox",
      "config": {
        "model": "claude-sonnet-5",
        "permissions": {
          "defaultMode": "auto"
        },
        "sandbox": {
          "enabled": true,
          "failIfUnavailable": false
        }
      }
    },

    "documentation": {
      "name": "Documentation Writing",
      "description": "Configuration for writing documentation",
      "config": {
        "model": "claude-sonnet-5",
        "permissions": {
          "defaultMode": "acceptEdits",
          "allow": ["Write(**/*.md)"]
        },
        "hooks": {
          "PostToolUse": [
            {
              "matcher": "Write",
              "hooks": [
                { "type": "command", "command": "$CLAUDE_PROJECT_DIR/.claude/hooks/markdownlint.sh" }
              ]
            }
          ]
        }
      }
    }
  }
}