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DMontgomery40
efbb13827b
Documents 24 tools found in Claude.app binary (app.asar/index.js) that are not listed in the deferred tools system-reminder. Organized into 7 categories: - Widget Tools (2): inline SVG/HTML rendering via @ant/imagine-server - Preview Tools (13): dev server and browser preview in code tasks - Computer Use (1, 13 actions): desktop automation via screenshot-then-act - Terminal & Roots (2): IDE-plugin-only terminal reader and MCP roots - Office Add-in (5): Excel/Word/PowerPoint integration via Claude add-in - Conversation (1): internal compaction service, not user-callable - Feature Flags & Codenames: flags, codenames, Swift APIs, config keys Each tool includes verification status (CONFIRMED/NOT FOUND/UNTESTED), parameter schemas, and session-type availability matrix. Tone cleanup: removed speculative language per CLAUDE.md style guide. States facts from binary analysis, marks unverified claims explicitly.
204 lines
9.8 KiB
Markdown
204 lines
9.8 KiB
Markdown
# Feature Flags & Internal Codenames
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Feature flags, internal codenames, Swift native APIs, configuration keys, and other internals found in the Claude.app binary.
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**Source:** Static analysis of `index.js` extracted from `app.asar`
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**Last updated:** 2026-03-19
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---
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## Table of Contents
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1. [Feature Flags](#feature-flags)
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2. [Internal Codenames](#internal-codenames)
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3. [Swift Native APIs](#swift-native-apis)
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4. [Configuration Keys](#configuration-keys)
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5. [The Clod Avatar](#the-clod-avatar)
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6. [Apple App References](#apple-app-references)
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---
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## Feature Flags
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Boolean switches (default `false`) that gate unreleased or experimental functionality.
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### Extensions & Developer Tools
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| Flag | Default | Description |
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|------|---------|-------------|
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| `isDxtEnabled` | `false` | Load browser extensions in app. DXT = Desktop Extension, Anthropic's extension format for the desktop client. |
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| `isDxtDirectoryEnabled` | `false` | Enables a browsable extensions directory UI. Separate from `isDxtEnabled`, suggesting a phased rollout (sideloading first, then directory). |
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| `isLocalDevMcpEnabled` | `false` | Allows local development MCP servers to connect to the app. For developers building custom integrations. |
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| `isUvSystemPythonEnabled` | `false` | Use the system-installed Python for UV runtime extensions instead of a managed installation. |
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### Prototypes & Experiments
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| Flag | Default | Description |
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|------|---------|-------------|
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| `isSparkleHedgehogEnabled` | `false` | Activates the sparkleHedgehog prototype. See [codenames](#sparklehedgehog) below. |
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| `isMidnightOwlEnabled` | `false` | Activates the midnightOwl prototype. Has a corresponding `setEnabled()` Swift native API method, indicating macOS system-level integration beyond the web layer. |
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| `isPhoenixRisingAgainEnabled` | `false` | Debug override for a new auto-updater system. The "Again" suffix indicates this replaces a previous updater. |
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| `isChicagoEnabled` | `false` | Forces `chicago_config.enabled` and `teachModeEnabled` to `true` regardless of GrowthBook remote config. Requires restart. |
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---
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## Internal Codenames
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Anthropic uses an adjective+animal naming convention for internal prototypes (with one geographic exception). Each codename has its own configuration keys in the app's settings store.
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### sparkleHedgehog
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| Key | Default | Type |
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|-----|---------|------|
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| `sparkleHedgehogAppearance` | `"default"` | string |
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| `sparkleHedgehogScale` | `1` | number |
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Has an `appearance` setting (implying multiple appearances) and a `scale` factor. The keys are consistent with a UI appearance/theme system or a visual element with configurable size and style.
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### plushRaccoon
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| Key | Default | Type |
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|-----|---------|------|
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| `plushRaccoonEnabled` | — | bool |
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| `plushRaccoonOption1` | `"off"` | string |
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| `plushRaccoonOption2` | `"off"` | string |
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| `plushRaccoonOption3` | `"off"` | string |
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Three independently togglable sub-options, all defaulting to `"off"` as strings (not booleans), suggesting they may have more states than just on/off. Purpose not determined from binary analysis alone.
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### quietPenguin
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| Key | Default | Type |
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|-----|---------|------|
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| `quietPenguinEnabled` | — | bool |
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Single on/off toggle. Name suggests notification suppression or a do-not-disturb mode.
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### louderPenguin
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| Key | Default | Type |
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|-----|---------|------|
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| `louderPenguinEnabled` | — | bool |
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Counterpart to quietPenguin. Same structure. Name suggests enhanced notifications or more aggressive alerting. These two form a notification spectrum: quiet ← normal → louder.
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### chillingSloth
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| Key | Default | Type |
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|-----|---------|------|
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| `chillingSlothLocation` | `"default"` | string |
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A `location` setting with a `"default"` value. Consistent with an idle-state behavior or ambient UI element that can appear in different positions (toolbar, menu bar, floating overlay, system tray, etc.).
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### midnightOwl
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| Key | Type |
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|-----|------|
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| Feature flag: `isMidnightOwlEnabled` | bool |
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| Swift API: `midnightOwl.setEnabled()` | method |
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Has both a feature flag and a Swift native API `setEnabled()` method through `@ant/claude-swift`, meaning it hooks into macOS at the system level. The "midnight" prefix and native integration are consistent with scheduled background tasks or time-based automation. The existence of `coworkScheduledTasksEnabled` and `ccdScheduledTasksEnabled` config keys (both `false`) suggests scheduled task infrastructure exists in the app.
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### floatingAtoll
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| Key | Default | Type |
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|-----|---------|------|
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| `floatingAtollActive` | — | bool |
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| *(dimensions)* | 320 × 54 px | hardcoded |
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| *(offset)* | 12 px | hardcoded |
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A floating UI element with hardcoded pixel dimensions: 320px wide, 54px tall, with a 12px offset. This is the quick-access floating bar — visible to users in Cowork sessions. The naming parallels Apple's Dynamic Island ("atoll" = ring-shaped island). At 320×54px it fits a slim toolbar or single-line input. Corresponds to the `quickAccess` Swift native API.
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### chicago
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| Key | Default | Type |
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|-----|---------|------|
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| `chicagoEnabled` | — | bool |
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| `chicagoAutoUnhide` | — | bool |
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| `chicagoUserDeniedBundleIds` | — | string[] |
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| Feature flag: `isChicagoEnabled` | `false` | bool (overrides GrowthBook) |
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| Related: `teachModeEnabled` | — | bool |
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The most well-documented codename and the only one that breaks the animal naming convention. This is the interactive teach mode / guided walkthrough system (see [computer-use-tools.md](computer-use-tools.md#teach-mode-request_teach_access--teach_step) for the teach mode tools). `chicagoUserDeniedBundleIds` tracks which macOS applications the user has declined to grant Claude access to during walkthroughs.
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---
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## Swift Native APIs (`@ant/claude-swift`)
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The `@ant/claude-swift` module is a native addon bridging Claude's Electron UI with macOS system capabilities.
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| API Namespace | Purpose |
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|---------------|---------|
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| `quickAccess` | Floating quick-access panel. System-level window management for the always-available Claude input (floatingAtoll). |
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| `notifications` | macOS native notification delivery via Notification Center. |
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| `desktop` | Desktop environment integration — window positioning, display detection. |
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| `api` | Direct API communication layer for authenticated requests to Anthropic's backend. |
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| `midnightOwl` | Native hook for the midnightOwl prototype. Exposes `setEnabled()`. |
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| `vm` | Virtual machine management — `isRunning`, `isGuestConnected`. Handles lifecycle for Cowork's Linux VMs. |
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| `hotkey` | Global keyboard shortcut registration. Works even when the app isn't focused. |
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| `permissionFixer` | macOS permission remediation. Guides users through granting accessibility, screen recording, or automation permissions. |
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| `computerUse` | Computer use capability bindings — screen reading, mouse/keyboard control, GUI automation. Separate SPM product, `computer_use.node`, nest builds only. |
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---
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## Configuration Keys
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Additional configuration keys found in the app's settings store.
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### Security & Permissions
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| Key | Default | Notes |
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|-----|---------|-------|
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| `secureVmFeaturesEnabled` | `true` | VM sandboxing — Claude's compute runs in isolation |
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| `bypassPermissionsModeEnabled` | `false` | Skip permission checks. Dev-only. |
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| `autoPermissionsModeEnabled` | `false` | Auto-grant permissions without user confirmation. Dev-only. |
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| `allowAllBrowserActions` | `false` | Unrestricted browser automation |
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| `dispatchTrustedCodeWorkspaces` | `[]` | Folders where code execution is trusted without confirmation |
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| `localAgentModeTrustedFolders` | `[]` | Folders trusted for local agent operations |
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### Launch & Session
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| Key | Default | Notes |
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|-----|---------|-------|
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| `launchEnabled` | `true` | Whether the app is allowed to launch |
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| `launchPreviewPersistSession` | `false` | Persist preview sessions across app restarts |
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### Capabilities
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| Key | Default | Notes |
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|-----|---------|-------|
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| `coworkWebSearchEnabled` | `true` | Web search in Cowork mode |
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| `coworkScheduledTasksEnabled` | `false` | Scheduled/recurring tasks in Cowork |
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| `ccdScheduledTasksEnabled` | `false` | Scheduled tasks in Claude Code Desktop |
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| `keepAwakeEnabled` | `false` | Prevent system sleep while Claude is working |
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| `dockBounceEnabled` | `false` | Bounce Claude's dock icon for attention |
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---
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## The Clod Avatar
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`default.clod` is a zip archive found in the app binary containing assets for an alternative AI persona:
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| File | Contents |
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|------|---------|
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| `personality.txt` | Persona definition ("You are Clod, a minimalist AI assistant...") |
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| `cursor.png` | Custom mouse cursor graphic |
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| `idling_0.png`, `idling_1.png`, `idling_2.png` | Idle animation frames |
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| `working_0.png`, `working_1.png`, `working_2.png`, `working_3.png` | Working animation frames |
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| `celebrating_0.png`, `celebrating_1.png` | Success animation frames |
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| `error_0.png` | Error state |
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"Clod" is a play on "Claude." The `.clod` format is a self-contained avatar package: personality definition plus sprite sheets for different states (idle, working, celebrating, error). The working animation has multiple frames for a looping animation during processing.
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This may connect to sparkleHedgehog — the `appearance` and `scale` settings could control which `.clod` avatar is active and how large it renders. The `.clod` format being a zip archive means custom avatar packs could be created and distributed.
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---
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## Apple App References
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String references found in `index.js` suggesting planned or gated native integrations:
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Calendar, Reminders, Notes, Contacts, Photos, Health, Maps, Safari, Shortcuts, Music, Freeform, Focus
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No tool registration patterns (`name` + `inputSchema`) were found for any of these in the current binary. These are string references only — they may represent planned integrations, configuration labels, or permission identifiers rather than functional tool implementations.
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