Jktfe Flowspec Claude Code Plugin Architect Web

FlowSpec Architect (Web / Chrome)

Same three workflows as architect, but uses Chrome browser tools instead of MCP — for users without the desktop app.

Core pattern: Generate JSON locally in Claude Code -> inject into flowspec.app via Chrome tools -> iterate.

Requires: Claude in Chrome extension (mcp__claude-in-chrome__* tools).

Prerequisites & Auth Check

1. Call mcp__claude-in-chrome__tabs_context_mcp to find an existing flowspec.app tab.
2. If no tab exists:

   mcp__claude-in-chrome__tabs_create_mcp(url: "https://flowspec.app/projects")
   

   Navigate to https://flowspec.app/projects to browse and create projects from the dashboard, or go directly to https://flowspec.app/editor to open the canvas.
3. Use mcp__claude-in-chrome__read_page to check for auth state:
   • Look for .signout-btn or user email display to confirm signed-in state
   • If not signed in: instruct user to sign in manually at flowspec.app/sign-in
4. Wait for the dashboard or editor to fully load before proceeding.

Interaction Model

Fallback: If any automation step fails, always provide manual instructions so the user can complete the step themselves.

UC1: Wireframe -> Dataflow (Web)

Step 1: Analyse wireframe images

Use Claude vision to examine wireframe images the user provides:

• Identify UI regions, data elements, forms, displays
• Note interactive elements and data relationships

Step 2: Interview user

Ask about data types, sources, business logic, constraints — same as architect UC1 Step 4.

Step 3: Build JSON spec

Assemble the JSON following the v1.2.0 schema.

Step 4: Navigate to flowspec.app

Ensure we have a flowspec.app tab open (preferably at /projects for the dashboard):

mcp__claude-in-chrome__tabs_context_mcp

If needed, navigate to https://flowspec.app/projects and create a new project from the dashboard, or go directly to https://flowspec.app/editor.

Step 5: Import JSON

Use the synthetic file injection recipe from chrome-recipes.md to inject the JSON into the web app's import handler.

Step 6: Guide wireframe upload

Instruct the user to:

1. Open the Screens section in the sidebar
2. Click "Create Screen" or use the image dropzone
3. Upload their wireframe image files
4. Name each screen

Step 7: Guide region annotation

Instruct the user to:

1. Open a screen in the editor
2. Draw regions over the wireframe by clicking and dragging
3. Name each region and link data elements using the region panel

Step 8: Export and iterate

Use browser tools to click "Export JSON" and read the result. Review and refine the spec, then re-import if needed.

UC2: Codebase -> Dataflow (Web)

Steps 1-7: Analyse locally

All codebase analysis happens locally in Claude Code — identical to architect UC2 Steps 1-7. See the architect skill's codebase-analysis.md methodology (which is the same reference used by the MCP-powered skill).

Step 8: Create project and import

Navigate to https://flowspec.app/projects, create a new project from the dashboard, and import the JSON via Chrome tools.

Step 9: Guide auto-layout

Instruct the user to click the Auto Layout button in the toolbar, or use javascript_tool to trigger it.

Step 10: Export and validate

Export JSON via browser tools and validate the spec locally.

UC3: Design New Screens (Web)

Step 1: Obtain screen image

User designs in an external tool and provides screenshots, or starts with an empty screen.

Step 2: Guide screen creation

Instruct the user to create screens and upload images via the web UI.

Step 3: Build JSON for data architecture

Create dataPoints, components, transforms for the screen's data needs.

Step 4: Import JSON

Import via Chrome tools using the synthetic file injection recipe.

Step 5: Guide region annotation

Same as UC1 Step 7 — user annotates regions manually in the web UI.

Limitations

• Cannot automate authentication — user must sign in manually
• Image upload requires user interaction — browser file picker security prevents automation
• Region annotation is best done manually — the web UI's drag-to-create is more ergonomic than coordinate-based automation
• Large JSON files may need manual file import as fallback — copy JSON to clipboard, user pastes or uses file dialog
• DOM selectors may change — if the web app UI updates, the Chrome recipes in references/chrome-recipes.md need updating

Chrome Tool Reference

See chrome-recipes.md for concrete JavaScript snippets.

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