Depot: Context Manager for Claude Projects

Description

Sync shared files across Claude projects, duplicate to test prompts safely, edit context docs, and back up locally. Zero servers. Depot is the missing context management and governance layer for claude.ai Projects. Docked directly inside your browser's side panel, Depot separates the knowledge you reuse from the individual projects that consume it. Maintain centralized Shared Library Groups, sync master documentation across your Claude Projects, branch projects safely with pre-flight dry runs, edit context documents in place, and back up your entire Claude workspace to your local machine. No external servers. No separate database. No API keys required. Local-first browser architecture. THE PROBLEM DEPOT SOLVES Claude Projects represent a breakthrough for long-context workflows. But managing multiple projects through the standard web interface creates operational friction: 1. Context Drift: When your core product spec, brand guidelines, or code schema changes, you have to manually locate and re-upload files across every single Claude project. Miss one project, and Claude generates outdated outputs based on stale context. 2. Prompt Version Fear: Want to test a major system prompt revision? Claude gives you no way to duplicate a project. You either overwrite your working baseline and hope for the best, or spend 10 minutes rebuilding a fresh project from scratch. 3. The Edit-and-Reupload Void: Spot a typo or need a small tweak in an uploaded document? In Claude, you must delete the file, find it on your hard drive, edit it in a separate app, and re-upload it. 4. Trapped Cloud Knowledge: Your prompts and curated knowledge documents are locked inside Anthropic's cloud with no native backup or export mechanism. WHAT DEPOT DOES 1. SHARED LIBRARY GROUPS (Decoupled Context Governance) Stop copy-pasting reference documents across projects. Create reusable Library Groups for your company specs, coding standards, prompt frameworks, or brand guidelines. Connect them to multiple Claude projects and push updates across all of them in a single click. Depot's 3-way diff engine scans your files, highlights exactly what needs updating, and executes an atomic Create-Then-Delete sequence designed to prevent document loss during sync. The moment you edit a file, connected projects flip to "needs sync" instantly - no refresh, no waiting. 2. SAFE PROJECT DUPLICATION (Prompt Branching with Dry Runs) Experiment with system prompt variations fearlessly. Depot lets you clone any existing project into "(variant B)" in seconds, copying over system instructions and text documents. Before writing anything, Depot presents a pre-flight dry-run sheet showing exactly what will be created. The original project is never touched. 3. DIRECT IN-PANEL DOCUMENT EDITING Edit uploaded project context files on the fly. Click any document inside the Depot side panel to open the full-panel Markdown and text editor. Includes syntax classification, live character counters against Claude prompt limit thresholds, and Cmd+S / Ctrl+S keyboard shortcuts. Saving immediately updates the project in Claude. 4. 1-CLICK LOCAL BACKUPS & RESTORATION Export a single project or your entire Claude account to standardized .zip archives saved directly to your computer. Each backup includes clean instructions.md files, project manifests, and full-fidelity text files. Point Depot at a backup zip to restore projects into another Claude account with full prompt instructions and text files. 5. UNIFIED COMMAND CENTER & MULTI-WORKSPACE SUPPORT Depot lives in Chrome's native 384px side panel beside your active claude.ai tab. Easily switch between your Projects view and Shared Library workspace without opening extra tabs or losing your working context. Filter projects across Personal, Team, and Shared workspaces, view instant cached file counts, and monitor sync status in real time. 6. IN-CONTEXT LAUNCHER & ONE-CLICK RELOAD Push library files without even opening the side panel. On any Claude project page, a small Depot chip lets you search your Library, pick exactly the files you want, and add them to the project you're already viewing. It stays completely out of Claude's way (isolated so it never interferes with Claude's own interface). After any change is written to Claude, a single "Reload" button refreshes the page so your updates appear in the Context panel right away. WHO IT IS FOR Depot is built for anyone who runs more than a handful of Claude Projects and is tired of managing them by hand. If you keep the same reference documents in several projects, it syncs one master copy across all of them. If you want to test a new set of instructions without risking a version that already works, it duplicates a project safely first. And if your prompts and knowledge currently live only inside Claude, it gives you a local backup you fully own. LOCAL-FIRST PRIVACY ARCHITECTURE Your intellectual property and prompt data stay on your computer. - No External Servers: Depot has zero remote servers, zero databases, and zero analytics collectors. - Scoped Origin Access: Host permissions are strictly restricted to https://claude.ai/* by Chrome security policies. The browser blocks Depot from contacting any other domain. - Zero Setup: Depot uses your existing authenticated browser session. No Anthropic API keys, Python environments, or session cookie extraction required. - Local Storage: Your Shared Library Groups and settings are stored locally in your browser (Chrome local storage). TRANSPARENT PLATFORM LIMITS Depot is built on radical honesty about what the platform can and cannot do: - Text Documents & Instructions: Backed up, duplicated, and restored with 100% full text fidelity. - Uploaded Images: Claude.ai only exposes a downscaled WebP preview (~1092px) and provides no API endpoint to upload images back into projects. Depot transparently backs up image previews, labels them clearly, and warns you during duplication dry-runs that Claude does not support automated image re-uploads. - Internal Endpoints: Depot mirrors standard web application requests that you could perform manually. It only acts on your own authenticated account upon your explicit confirmation. COMPATIBILITY Works with claude.ai on Google Chrome, Brave, and Microsoft Edge. Compatible with Claude Pro, Team, and Enterprise web accounts. Free. Lightweight. Built for people who do real work in Claude Projects. v1.5.0 updates: The enterprise filter regression (BUG-3) Add-from-project (BUG-2) Crash-loop hardening (BUG-1, best-effort) ENH-1 (duplicate file unselect), and ENH-2 (launcher adds files from your other projects)

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