Configure Claude Code for Maximum Power

A high-autonomy Claude Code setup combines a supported model and effort level with an explicit permission mode. These controls do different jobs. This guide follows the documentation checked on 20 September 2026; it does not claim a benchmarked configuration or a prompt-free result for every installation.

Choose Model and Effort Explicitly

claude --model claude-fable-5-1 --effort max

The selected model must be available to the account and route. Effort support depends on the model, and managed settings can impose a cap. The model name and active effort should be checked in the running session. High is not a universal ceiling, and a model switch is not proof that the requested level took effect.

Choose a Permission Mode

claude --model claude-fable-5-1 --effort max --permission-mode bypassPermissions

bypassPermissions skips ordinary permission approval checks. It is not a way to override managed policy, enable unavailable tools or guarantee that every action can proceed. Use it only for a work scope in which those actions are already authorized, with a workspace and recovery plan suited to that scope.

The documented --dangerously-skip-permissions flag is equivalent to --permission-mode bypassPermissions; it is not documented as deprecated. A launcher, project settings and managed settings are separate configuration layers. Inspect the effective mode instead of assuming that an alias determines every session.

Modes and Rules Are Different Controls

Default mode asks for approval when required. acceptEdits grants file-editing permissions and certain common filesystem commands. Plan mode is intended for exploration and planning; its documented tool behavior should be checked for the installed version. auto delegates supported approval decisions to a classifier. dontAsk denies actions that need approval unless a rule already permits them. bypassPermissions skips ordinary checks. None of these descriptions is a promise that all commands will succeed.

Fine-grained allow and deny rules are useful when operating in a mode that evaluates them. An allowlist that avoids prompts is not a sandbox: broad shell patterns can invoke powerful programs. Prefer a configuration whose effective behavior you understand and test against the actual tools in use.

Do Not Turn a Hook Into a Recovery Claim

An unconditional PreToolUse allow response is not evidence that an operation is safe or reversible. This example does not install one. Hooks are executable integrations with a defined protocol; use them for a concrete, tested purpose rather than as a substitute for understanding the permission mode.

Git can restore committed tracked files. Ignored files such as .env require separate backups, and Git cannot reverse database changes, sent messages or other external effects. Checkpointing also has narrower coverage than a system backup.

GUI and Terminal

The desktop interface and terminal expose overlapping capabilities. Memory, transcripts and voice are not a defensible blanket list of GUI-only features. Choose the interface for its interaction model, and check current documentation for the capabilities and settings available in that client.

Keep rendering experiments separate from permission configuration. A terminal redraw option should not silently enable broader tool access. When diagnosing a problem, change one relevant control and verify what the session actually reports.

Primary references: permission modes and rules, model and effort configuration, CLI flags, and checkpoint coverage.