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Add tool-catalog: 24 hidden tools from desktop app binary analysis

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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.
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# Feature Flags & Internal Codenames
Feature flags, internal codenames, Swift native APIs, configuration keys, and other internals found in the Claude.app binary.
**Source:** Static analysis of `index.js` extracted from `app.asar`
**Last updated:** 2026-03-19
---
## Table of Contents
1. [Feature Flags](#feature-flags)
2. [Internal Codenames](#internal-codenames)
3. [Swift Native APIs](#swift-native-apis)
4. [Configuration Keys](#configuration-keys)
5. [The Clod Avatar](#the-clod-avatar)
6. [Apple App References](#apple-app-references)
---
## Feature Flags
Boolean switches (default `false`) that gate unreleased or experimental functionality.
### Extensions & Developer Tools
| Flag | Default | Description |
|------|---------|-------------|
| `isDxtEnabled` | `false` | Load browser extensions in app. DXT = Desktop Extension, Anthropic's extension format for the desktop client. |
| `isDxtDirectoryEnabled` | `false` | Enables a browsable extensions directory UI. Separate from `isDxtEnabled`, suggesting a phased rollout (sideloading first, then directory). |
| `isLocalDevMcpEnabled` | `false` | Allows local development MCP servers to connect to the app. For developers building custom integrations. |
| `isUvSystemPythonEnabled` | `false` | Use the system-installed Python for UV runtime extensions instead of a managed installation. |
### Prototypes & Experiments
| Flag | Default | Description |
|------|---------|-------------|
| `isSparkleHedgehogEnabled` | `false` | Activates the sparkleHedgehog prototype. See [codenames](#sparklehedgehog) below. |
| `isMidnightOwlEnabled` | `false` | Activates the midnightOwl prototype. Has a corresponding `setEnabled()` Swift native API method, indicating macOS system-level integration beyond the web layer. |
| `isPhoenixRisingAgainEnabled` | `false` | Debug override for a new auto-updater system. The "Again" suffix indicates this replaces a previous updater. |
| `isChicagoEnabled` | `false` | Forces `chicago_config.enabled` and `teachModeEnabled` to `true` regardless of GrowthBook remote config. Requires restart. |
---
## Internal Codenames
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.
### sparkleHedgehog
| Key | Default | Type |
|-----|---------|------|
| `sparkleHedgehogAppearance` | `"default"` | string |
| `sparkleHedgehogScale` | `1` | number |
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.
### plushRaccoon
| Key | Default | Type |
|-----|---------|------|
| `plushRaccoonEnabled` | — | bool |
| `plushRaccoonOption1` | `"off"` | string |
| `plushRaccoonOption2` | `"off"` | string |
| `plushRaccoonOption3` | `"off"` | string |
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.
### quietPenguin
| Key | Default | Type |
|-----|---------|------|
| `quietPenguinEnabled` | — | bool |
Single on/off toggle. Name suggests notification suppression or a do-not-disturb mode.
### louderPenguin
| Key | Default | Type |
|-----|---------|------|
| `louderPenguinEnabled` | — | bool |
Counterpart to quietPenguin. Same structure. Name suggests enhanced notifications or more aggressive alerting. These two form a notification spectrum: quiet ← normal → louder.
### chillingSloth
| Key | Default | Type |
|-----|---------|------|
| `chillingSlothLocation` | `"default"` | string |
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.).
### midnightOwl
| Key | Type |
|-----|------|
| Feature flag: `isMidnightOwlEnabled` | bool |
| Swift API: `midnightOwl.setEnabled()` | method |
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.
### floatingAtoll
| Key | Default | Type |
|-----|---------|------|
| `floatingAtollActive` | — | bool |
| *(dimensions)* | 320 × 54 px | hardcoded |
| *(offset)* | 12 px | hardcoded |
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.
### chicago
| Key | Default | Type |
|-----|---------|------|
| `chicagoEnabled` | — | bool |
| `chicagoAutoUnhide` | — | bool |
| `chicagoUserDeniedBundleIds` | — | string[] |
| Feature flag: `isChicagoEnabled` | `false` | bool (overrides GrowthBook) |
| Related: `teachModeEnabled` | — | bool |
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.
---
## Swift Native APIs (`@ant/claude-swift`)
The `@ant/claude-swift` module is a native addon bridging Claude's Electron UI with macOS system capabilities.
| API Namespace | Purpose |
|---------------|---------|
| `quickAccess` | Floating quick-access panel. System-level window management for the always-available Claude input (floatingAtoll). |
| `notifications` | macOS native notification delivery via Notification Center. |
| `desktop` | Desktop environment integration — window positioning, display detection. |
| `api` | Direct API communication layer for authenticated requests to Anthropic's backend. |
| `midnightOwl` | Native hook for the midnightOwl prototype. Exposes `setEnabled()`. |
| `vm` | Virtual machine management — `isRunning`, `isGuestConnected`. Handles lifecycle for Cowork's Linux VMs. |
| `hotkey` | Global keyboard shortcut registration. Works even when the app isn't focused. |
| `permissionFixer` | macOS permission remediation. Guides users through granting accessibility, screen recording, or automation permissions. |
| `computerUse` | Computer use capability bindings — screen reading, mouse/keyboard control, GUI automation. Separate SPM product, `computer_use.node`, nest builds only. |
---
## Configuration Keys
Additional configuration keys found in the app's settings store.
### Security & Permissions
| Key | Default | Notes |
|-----|---------|-------|
| `secureVmFeaturesEnabled` | `true` | VM sandboxing — Claude's compute runs in isolation |
| `bypassPermissionsModeEnabled` | `false` | Skip permission checks. Dev-only. |
| `autoPermissionsModeEnabled` | `false` | Auto-grant permissions without user confirmation. Dev-only. |
| `allowAllBrowserActions` | `false` | Unrestricted browser automation |
| `dispatchTrustedCodeWorkspaces` | `[]` | Folders where code execution is trusted without confirmation |
| `localAgentModeTrustedFolders` | `[]` | Folders trusted for local agent operations |
### Launch & Session
| Key | Default | Notes |
|-----|---------|-------|
| `launchEnabled` | `true` | Whether the app is allowed to launch |
| `launchPreviewPersistSession` | `false` | Persist preview sessions across app restarts |
### Capabilities
| Key | Default | Notes |
|-----|---------|-------|
| `coworkWebSearchEnabled` | `true` | Web search in Cowork mode |
| `coworkScheduledTasksEnabled` | `false` | Scheduled/recurring tasks in Cowork |
| `ccdScheduledTasksEnabled` | `false` | Scheduled tasks in Claude Code Desktop |
| `keepAwakeEnabled` | `false` | Prevent system sleep while Claude is working |
| `dockBounceEnabled` | `false` | Bounce Claude's dock icon for attention |
---
## The Clod Avatar
`default.clod` is a zip archive found in the app binary containing assets for an alternative AI persona:
| File | Contents |
|------|---------|
| `personality.txt` | Persona definition ("You are Clod, a minimalist AI assistant...") |
| `cursor.png` | Custom mouse cursor graphic |
| `idling_0.png`, `idling_1.png`, `idling_2.png` | Idle animation frames |
| `working_0.png`, `working_1.png`, `working_2.png`, `working_3.png` | Working animation frames |
| `celebrating_0.png`, `celebrating_1.png` | Success animation frames |
| `error_0.png` | Error state |
"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.
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.
---
## Apple App References
String references found in `index.js` suggesting planned or gated native integrations:
Calendar, Reminders, Notes, Contacts, Photos, Health, Maps, Safari, Shortcuts, Music, Freeform, Focus
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.