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MCPHubz Sandbox is the world's first dual-purpose developer environment for building and testing both MCP servers and WebMCP browser tools. Powered by the @mcp-b engine.
Everything you need to build
AI-agent ready experiences.
MCP Server Builder
Define tools, test connections, and validate your MCP server against the spec — all in one place.
WebMCP Tool Builder
Use the imperative API to register browser-native tools that AI agents can call directly on your site.
Template Library
Pre-built WebMCP templates for E-commerce, Local Business, Blog, SaaS, and more. Drop in, customise, deploy.
Spec Validator
Automatically validate your MCP or WebMCP implementation against the latest spec before you ship.
WebMCP Academy
From SEO to AEO to GEO to WebMCP — the complete course on making your site AI-agent ready.
Registry Submission
Submit your verified WebMCP implementation to the MCPHubz WebMCP-Ready Registry with one click.
Pre-built WebMCP templates
for every site type.
Stop building from scratch. Each template is a production-ready WebMCP implementation for a specific site category. Drop in your site's data and you're live in minutes.
The web is evolving.
Are you leading or following?
Start building the agentic web today.
The window to establish authority in the WebMCP ecosystem is open right now. Build, test, and get listed on the MCPHubz WebMCP-Ready Registry.