Build A Warehouse Layout Planner With ToolJet MCP

Introduction

Build a warehouse layout planner with ToolJet MCP when your distribution centre team needs to turn floor plans into a live operating view instead of a marked-up drawing. The app was generated from the prompt below as a structured ToolJet application, with data, queries, and interface held together as one system. The result gives the team a place to compare saved layouts, review clear rule checks, and keep rack placement aligned with day-to-day operations. You can use the walkthrough to see the finished planner and rebuild the same planning flow on your own site.

Layout Editor: Zone C Forward Pick loaded, a dock door selected in the inspector, and a live overlap warning

Compare Layouts: Zone C Forward Pick vs Zone D Wide Aisle. Picker travel 261,092 to 391,322 per day (+50%), pick faces 40 to 36, narrowest aisle 3.5 m to 4.0 m

What We're Building

The editor centers on one canvas with a saved-layout row above it and a selected-element inspector inside the canvas. You add racks, dock doors, safety zones, and fire exits from the toolbar, then drag or resize them on the grid while the live checks repaint problem shapes and name the broken rule under the floor plan. The comparison page keeps two saved layouts read-only, shows them side by side with a shared legend, and adds scorecards for pick faces, aisle clearance, and picker travel so you can read the trade-off before saving a change. When the selected shape changes, the inspector updates in the same panel, so the editor never loses context.

• Drag racks, dock doors, safety zones, and fire exits onto a snap-grid canvas
• Resize selected shapes from a corner handle and keep the same live rule checks
• See broken rules named under the canvas as you edit
• Compare two saved layouts side by side with pick faces, aisle clearance, and travel deltas
• Save layouts and SKU assignments together so the plan reloads with the same mapping

Build A Warehouse Layout Planner With ToolJet MCP, Then Review The Floor Plan

Want to build it yourself? Start with the ToolJet MCP repository for setup instructions, supported agents, and everything you need to follow along.

The Consolidated Build Prompt

The build took several passes before the floor plan, comparison view, and saved-layout flow all lined up cleanly. The requirements are consolidated into one prompt below so you can reproduce the app in a single shot without reconstructing the iteration history.

Build a polished internal app called Warehouse Layout Planner in ToolJet.

Keep it to two pages: Layout Editor and Compare Layouts. Layout Editor shows the floor plan, a saved-layout row, stat tiles for pick faces and rules broken, a canvas toolbar, live rule checks, and a selected-shape inspector. Compare Layouts shows two saved plans side by side, a shared legend, and a clear comparison of aisle clearance, pick faces, and picker travel.

Use the same visual language for the scorecards and the layout previews so the page reads like one planning surface. Design it as a clean technical planning app: cream background, charcoal text, thin lines, muted fills, compact spacing, and status colour used only where it helps.

Use six related tables: warehouse_layouts, layout_shapes, skus, pick_face_assignments, warehouse_rules, and shape_legend. The plan should keep saved geometry, SKU assignments, rules, and canvas styling separate, so the app can calculate readiness and comparison results from stored data instead of screen state.

Use only native ToolJet components everywhere except the floor-plan canvas, which is a single CustomComponent. The editor must let users place racks, dock doors, safety zones, and fire exits on a 1 m grid, resize shapes, assign SKUs to racks, and save named layouts. The full 90 m by 55 m floor should fit the panel without scrolling, labels on thin shapes should move above or beside the shape, and critical rules must show live.

How ToolJet MCP Builds the App

MCP works through the whole application, not the screen: the data model, pages, components, queries, and the wiring between them land as one structured ToolJet application. In this build, that means the editor, the compare view, the live rule feedback, and the saved-layout flow all arrive together instead of as a disconnected screen. Enterprise app building does not stop at the interface, so data connectivity, workflows, access control, deployment, and ongoing change sit on the runtime where supported, rather than handing you a codebase to operate yourself. The path stays open after generation, so you can keep moving between AI generation, visual editing, and code when a specific part of the planner needs it.

The One Thing That Broke

One save path issue showed up when a rack's SKU disappeared after you edited the canvas, because the app was reading stale state. The fix keeps the shape ids and assignments together during save, so the same rack-to-SKU mapping comes back after reload.

Data Created

The app ended up with six tables in three groups. warehouse_layouts and layout_shapes hold the saved plans and their geometry, skus and pick_face_assignments connect products to rack faces, and warehouse_rules and shape_legend hold the planning rules and canvas styling. Together they separate the saved plan, the product mapping, and the rule set, which keeps the editor and the compare view reading from the same stored model. The compare page can then read the same tables without depending on a pasted drawing.

What Got Generated

Industries That Run This

Distribution centres, third-party logistics warehouses, retail and e-commerce fulfilment operations, and manufacturers that run their own finished-goods or parts stores: any site that re-slots racks and pick faces and has to keep forklift aisles, fire exits and safety zones clear while doing it.

Who Gets Access To The Built App

Recommended setup, not yet configured in this build: warehouse managers and continuous improvement engineers should be able to create, edit and save layouts, and shift supervisors should be able to open and compare layouts without changing anything. The build did not create these groups. To enforce the split, create two workspace groups in ToolJet (an editor group and a view-only group), add the right people to each, and set the app's permissions so only the editor group can edit it. Until that is done, anyone with access to the app can change layouts.

Enterprise Features for Your Warehouse Layout Planner

A warehouse layout planner handles floor plans, SKU placements, and safety rules. ToolJet covers that governance at the platform layer, so you configure it once instead of rebuilding it in every app.

• SSO and SCIM: sign in with SAML, OIDC or LDAP, and provision users automatically
• Role-based access control: scope permissions to the app, the data source, and each query
• Audit logs: track every login, edit, and approval decision for compliance review
• Air-gapped deployment: self-host on Docker or Kubernetes so your data stays in your network
• Multiplayer editing: several builders work on the same app, with versioning and Git sync
• ToolJet AI inside your own deployment: run the AI features in your tenancy rather than a shared service

Final Takeaways

This build shows that one prompt can produce a warehouse layout planner with saved layouts, live geometry checks, and a comparison view that keeps the trade-off visible. The result is a structured ToolJet application, so the team keeps editing the same app after generation instead of owning a code drop and a separate operating burden. That matters because visual editing, code where the case needs it, and the runtime's data and workflow layer can live together as the floor plan changes. The app stays tied to the real planning model, which keeps governance and long-term maintenance inside one application.

Cost and Speed by Model

You can easily build a 4-page app with ToolJet MCP for as little as $0.17 with a lean model (Luna medium), or pay more for the latest flagship reasoning (Sol) if that's what you're after. The cost is your call, not a floor we set for you.

Three to four builds per model across four-page apps. 1 credit = 1 cent. Credits and time are estimates only and will vary with the complexity of what you ask for. This measures cost and speed only, not how complete or polished the result is.

Even averaging across model tiers, ToolJet MCP can turn $10 into a dozen or more working 4-page apps.

Try ToolJet MCP

Build a warehouse layout planner with ToolJet MCP, then request a ToolJet demo to map it onto your site.

FAQs

How do I build a warehouse layout planner with ToolJet MCP from the prompt here?

Use the prompt in this article to generate the planner as one ToolJet app with saved layouts, live rule checks, and a comparison view. The same app keeps geometry, SKU assignments, and layout review together.

What do I get on the layout editor page?

The layout editor gives you a snap-grid canvas, a saved-layout row, and an inspector for the selected shape. You place racks, dock doors, safety zones, and fire exits, then resize them while the rule warning updates in place.

How do I compare two warehouse layouts?

The comparison page shows two saved layouts side by side with a shared legend. You read pick faces, aisle clearance, and picker travel so the difference between plans is easy to judge before you save.

Do I need code to edit racks or labels after generation?

You can move, resize, relabel, and reassign shapes in the editor without leaving the app. When a case needs it, the same app still leaves room to drop into code for custom logic.

What happens to the app after the agent finishes?

The generated result is a real ToolJet application on the runtime, so the team keeps editing the same app after generation. Data connections, workflows, and access control are handled at the platform layer where supported, which keeps the planner as an application instead of a one-off code handoff.

Can I use my own warehouse data?

Yes, the planner is built around saved layouts, shape geometry, SKU records, and pick-face assignments. You can map those pieces to the data source your team already uses and keep the same interaction model.

Can several people work on the same planner?

Yes, the planner can be shared as one app, so teammates work from the same saved layouts and review changes as the floor plan changes. That keeps the latest plan in one place instead of spreading edits across copies.