MCP Governance and the SEP Process

Conformance Suite and Standards Track

Building or Configuring an MCP Client

Building an MCP Server

MCP SDKs and Tier Support

Authorization Hardening in MCP

Client Registration: CIMD over DCR

MCP Authorization and OAuth Basics

Tasks Extension: Poll-Based Long Operations

MCP Apps: Sandboxed Interactive UIs

The MCP Extensions Framework

Deprecated MCP Features You Should Skip

MCP Feature Lifecycle and Deprecation

Standard JSON-RPC Error Codes

JSON-RPC as the Base Protocol

MCP Transports: stdio and HTTP

Multi Round-Trip Requests in MCP

Scaling MCP Without Sticky Sessions

Carrying Context via _meta

The Stateless Protocol Core

MCP Spec Versioning with Dates

MCP Primitives: Tools, Resources, Prompts

Conformance Suite Gates Standards Track

MCP Governance and Origins

Tier 1 SDKs and Language Support

application_type at Client Registration

Python SDK v2: FastMCP Renamed

Enterprise-Managed Authorization

MCP Apps Extension

JSON-RPC Batching Removed

Standard JSON-RPC Error Codes

Formal Feature Lifecycle

Roots, Sampling, Logging Deprecated

Legacy HTTP+SSE Transport Deprecated

MCP Authorization on OAuth

Extensions Framework

CIMD Replaces DCR

Tasks Extension

Issuer Validation and Credential Binding

MCP Architecture: Hosts, Clients, Servers

MCP Transports

MCP Core Primitives

Stateless Protocol Core

What MCP Is

Multi Round-Trip Requests

The _meta Parameter

Date-String Spec Versioning

JSON-RPC Base Protocol

Scaling with Load Balancers

Current Spec Version

Routing and Cacheable Lists

MCP Architecture

What MCP Is and Why