MCP Academy is the premier free interactive learning platform by Infinity Tech Stack for Anthropic's Model Context Protocol (MCP), now governed by the Linux Foundation. It features 13 modules, 47 lessons, 9 hands-on terminal labs, and 138 quizzes covering MCP servers, clients, tools, Streamable HTTP, OAuth 2.1, and the 2026-07-28 stateless specification with zero sign-up required.

How is Infinity MCP Academy different from official Model Context Protocol documentation?

While modelcontextprotocol.io provides the core technical specifications and basic SDK quickstarts, Infinity Tech Stack's MCP Academy is an independent, 100% free interactive curriculum with 13 modules, 47 lessons, 9 in-browser terminal labs, and 138 quizzes. It teaches real-world server and client development, Streamable HTTP, OAuth 2.1, the 2026-07-28 stateless core specification, multi-server gateways, and enterprise security with zero sign-up required.

How long does MCP Academy take to complete?

MCP Academy contains approximately 4 to 5 hours of interactive training across 13 modules and 47 lessons. Progress is saved locally in your browser so you can learn at your own pace.

Is the MCP Academy free?

Yes. The MCP Academy is free to access, with modules, lessons, quizzes, and labs available without sign-up.

What is the Model Context Protocol (MCP)?

MCP is an open standard (now governed by the Linux Foundation) that provides a universal way for AI models and agents to connect to tools, data sources, and external systems. Think of it as USB-C for AI.

What topics does the MCP Academy cover?

The course covers MCP architecture, server/client development, tools & function calling, resources & prompts, transport layers (stdio, Streamable HTTP), OAuth 2.1 security, production deployment, MCP Gateways & Proxies, Linux Foundation governance, enterprise audit logging, multimodal/audio content, client SDK development, MCP Inspector debugging, integration testing, the official MCP Registry, and real-world case studies from DevOps, CRM, and AI coding assistant deployments.

What is an MCP Gateway?

An MCP Gateway sits between AI clients and multiple MCP servers, providing semantic routing, tool aggregation, token optimization, and centralized observability - similar to an API gateway but for the MCP protocol.

Do I need programming experience?

Basic familiarity with JSON and APIs is helpful but not required. The course starts from fundamentals and builds progressively to advanced production patterns, including hands-on server building tutorials.

How do I debug MCP servers?

The course teaches you to use the MCP Inspector (an official interactive debugging tool), write automated integration tests using the Client SDK, and diagnose common issues like stdout corruption and capability negotiation failures.

Does the MCP Academy include hands-on labs?

Yes. Hands-on terminal labs are embedded in relevant lessons, including objectives, hints, solution commands, and XP rewards.

What is the latest version of MCP?

The current MCP specification revision is 2026-07-28, which shipped after its Release Candidate and made the protocol fully stateless - removing the initialize handshake and protocol-level sessions entirely, adding a mandatory server/discover RPC, and moving Tasks out of the core spec into an official extension. The previous 2025-11-25 revision introduced experimental Tasks, URL-mode elicitation, tool calling in sampling, icon metadata for tools and resources, OpenID Connect Discovery, OAuth Client ID Metadata Documents, and JSON Schema 2020-12 as the default dialect.

MCP Tasks (SEP-1686) are a protocol primitive for long-running, durable operations. Instead of blocking on a single response, a server returns a task handle the client can poll for status and later retrieve results - essential for agent workflows that run for minutes or hours.

What is the difference between MCP and function calling?

Function calling lets a single model invoke functions you define inline for that one app. MCP is an open, transport-based standard that exposes tools, resources, and prompts from independent servers to any compatible client - so one MCP server works across Claude, ChatGPT, Cursor, and VS Code without rewriting integrations.

How do I build an MCP server?

Scaffold a server with the official Python or TypeScript SDK, register tools (functions), resources (data), and prompts, then expose it over stdio for local use or Streamable HTTP for remote use. The MCP Academy includes hands-on labs that build, connect, and inspect a real server step by step.

What is the best MCP course?

The MCP Academy is a free, interactive course with 13 modules, 47 lessons, 9 hands-on terminal labs, and 138 quiz questions - covering everything from MCP architecture to production security, gateways, the official MCP Registry, and the latest 2026-07-28 stable spec. Progress saves locally with no sign-up required.

Which HTTP headers are required for MCP HTTP tool requests under Spec 2026-07-28?

Mcp-Method and Mcp-Name — Spec 2026-07-28 mandates Mcp-Method and Mcp-Name headers on HTTP requests for fast proxy routing.

How do clients and servers discover capabilities without a stateful initialization handshake in 2026-07-28?

Through the server/discover method and per-request _meta blocks. — Stateless discovery uses server/discover and per-request _meta objects containing protocolVersion and capabilities.

Stateless Architecture & Discovery (Spec 2026-07-28) Tutorial

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1. The Stdio Transport2. Streamable HTTP & SSE3. Stateless Architecture & Discovery (Spec 2026-07-28)

Stateless Architecture & Discovery (Spec 2026-07-28)

📚 Transport Layers⏱ 7 min⭐ 60 XP⌨ Hands-on lab

Stateless Core (Spec 2026-07-28)

The Model Context Protocol specification revision 2026-07-28 introduced fundamental architectural improvements, transitioning MCP to a true Stateless Core:

No Protocol Sessions: Protocol-level sessions and the Mcp-Session-Id header have been removed. MCP servers are completely stateless, making horizontal scaling, edge caching, and serverless hosting seamless.
No Stateful Handshake: The legacy initialize and notifications/initialized lifecycle has been removed. Instead, per-request _meta fields carry protocol version and capabilities, and server/discover allows instant discovery.
Explicit HTTP Routing Headers: Every HTTP POST must declare Mcp-Method (e.g. tools/call) and Mcp-Name (e.g. query_db), allowing reverse proxies, WAFs, and gateways to route requests without inspecting request bodies.
Subscriptions & Tasks: resources/subscribe is succeeded by subscriptions/listen, and asynchronous jobs are standardized under the official io.modelcontextprotocol/tasks extension.

💡 Key Insight: By eliminating session affinity and stateful handshakes, MCP 2026-07-28 allows any cloud load balancer or edge worker to route tool calls to any healthy replica with zero synchronization overhead.

MCP Apps & Tool Annotations

MCP Apps allow servers to return interactive UI cards rendered in sandboxed iframes. Tool annotations indicate whether an operation is read-only or destructive, enabling automatic client-side approvals for safe lookups.

⌨ HANDS-ON LABDispatch Stateless MCP Tool Invocation

⭐ +150 XP

Dispatch a tool call to an MCP endpoint passing required Mcp-Method and Mcp-Name headers under the 2026-07-28 stateless specification.

1POST a JSON-RPC tool request with Mcp-Method and Mcp-Name headers.

lab-sandbox — simulated environment

INFINITY LAB SANDBOX v2.6 — simulated shell
Type the command for the current objective. Helpers: "hint", "solution", "clear".
$

OBJECTIVE 1 / 1 — type "hint" if stuck

🧪 Knowledge Check

Press 1-4 to select1 of 3

How did the MCP 2026-07-28 specification revise connection architecture?

It mandated persistent WebSocket connections only.

It transitioned to a Stateless Core, removing protocol sessions and Mcp-Session-Id.

It added mandatory stateful session cookies.

It deprecated HTTP transport entirely.