A comprehensive guide to all available configuration options in Claude Code's `settings.json` files. As of v2.1.81, Claude Code exposes **60+ settings** and **100+ environment variables** (use the `"env"` field in `settings.json` to avoid wrapper scripts).
@@ -71,11 +71,12 @@ Within the managed tier, precedence is: server-managed > MDM/OS-level policies >
| `alwaysThinkingEnabled` | boolean | `false` | Enable extended thinking by default for all sessions |
| `skipWebFetchPreflight` | boolean | `false` | Skip WebFetch blocklist check before fetching URLs *(in JSON schema, not on official settings page)* |
| `availableModels` | array | - | Restrict which models users can select via `/model`, `--model`, or `ANTHROPIC_MODEL`. Does not affect the Default option. Example: `["sonnet", "haiku"]` |
| `availableModels` | array | - | Restrict which models users can select via `/model`, `--model`, Config tool, or `ANTHROPIC_MODEL`. Does not affect the Default option. Example: `["sonnet", "haiku"]` |
| `fastModePerSessionOptIn` | boolean | `false` | Require users to opt in to fast mode each session |
| `teammateMode` | string | `"auto"` | Agent team display mode: `"auto"` (split panes in tmux/iTerm2, in-process otherwise), `"in-process"`, or `"tmux"` |
| `includeGitInstructions` | boolean | `true` | Include git-related instructions in system prompt |
| `voiceEnabled` | boolean | - | Enable push-to-talk voice dictation. Written automatically when you run `/voice`. Requires a Claude.ai account |
| `showClearContextOnPlanAccept` | boolean | `false` | Show the "clear context" option on the plan accept screen. Set to `true` to restore the option (hidden by default since v2.1.81) |
| `feedbackSurveyRate` | number | - | Probability (0–1) that the session quality survey appears when eligible. Enterprise admins can control how often the survey is shown. Example: `0.05` = 5% of eligible sessions |
**Example:**
@@ -546,9 +547,9 @@ These display preferences are stored in `~/.claude.json`, **not** `settings.json
|-----|------|---------|-------------|
| `autoConnectIde` | boolean | `false` | Automatically connect to a running IDE when Claude Code starts from an external terminal. Appears in `/config` as **Auto-connect to IDE (external terminal)** when running outside a VS Code or JetBrains terminal |
| `autoInstallIdeExtension` | boolean | `true` | Automatically install the Claude Code IDE extension when running from a VS Code terminal. Appears in `/config` as **Auto-install IDE extension**. Can also be disabled via `CLAUDE_CODE_IDE_SKIP_AUTO_INSTALL` env var |
| `showClearContextOnPlanAccept` | boolean | `false` | When `true`, restores the "clear context" option on plan accept (hidden by default since v2.1.81). *(Source: v2.1.81 changelog — not yet on official settings page; file location unconfirmed)* |
| `editorMode` | string | `"normal"` | Key binding mode for the input prompt: `"normal"` or `"vim"`. Written automatically when you run `/vim`. Appears in `/config` as **Key binding mode** |
| `showTurnDuration` | boolean | `true` | Show turn duration messages after responses (e.g., "Cooked for 1m 6s"). Edit `~/.claude.json` directly to change |
| `terminalProgressBarEnabled` | boolean | `true` | Show the terminal progress bar in supported terminals (Windows Terminal, iTerm2). Appears in `/config` as **Terminal progress bar** |
| `terminalProgressBarEnabled` | boolean | `true` | Show the terminal progress bar in supported terminals (ConEmu, Ghostty 1.2.0+, and iTerm2 3.6.6+). Appears in `/config` as **Terminal progress bar** |
Claude Code subagents — frontmatter fields and official built-in agent types.
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