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The Great Trading Company

Widget Dockyard — Interactive test harnesses for all LOB MCP Apps

Salesforce CRM

Leads & Opportunities — inline Create, Edit, and table rendering with Lightning Design System colours.
Port 3000 · 6 tools

ServiceNow ITSM

Incidents, Requests & Request Items — expandable rows, inline CRUD, priority badges.
Port 3001 · 8 tools

SAP S/4HANA

Purchase Orders, Business Partners & Materials — Fiori-inspired UI with sandbox mode banner and material detail drill-down.
Port 3002 · 6 tools · Sandbox

HubSpot Marketing

Marketing Emails → Contact Lists → List Contacts — single-ask drill-down with add/remove/edit.
Port 3003 · 7 tools · Single-ask
These test harnesses run entirely in the browser with mock data — no server or credentials needed.
They simulate the M365 Copilot postMessage bridge so you can test widget rendering, CRUD forms, error states, and dark mode independently.
⚓ The Great Trading Company · GitHub · MIT License