MCPifex Glossary.
Plain-language definitions for Model Context Protocol terms, from MCP server to transport, each linking to a deeper guide.
All entries.
MCP Authentication: OAuth 2.1 vs. API Keys Explained
MCP authentication is how a client proves its identity to a server: OAuth 2.1 for remote HTTP servers, env credentials for stdio, or a static API key.
Read →MCP Client Definition: Host vs. Client vs. Server Explained
An MCP client is the connector inside a host app that talks to one MCP server. Learn the client vs. host vs. server distinction, with real client examples.
Read →What Is an MCP Gateway? Definition and How It Works
An MCP gateway is one endpoint in front of MCP servers that handles routing, auth, tool policy and logs. Learn how it works and when you need one.
Read →MCP Registry: Definition, How It Works, and What It Isn't
An MCP registry is a metadata catalog pointing to MCP servers, not a live connection. How it differs from a marketplace and gateway, and where MCPifex fit.
Read →MCP Tools: What They Are and How They're Controlled
MCP tools are model-controlled functions an MCP server exposes via tools/list and tools/call, distinct from resources and prompts and gated per client.
Read →Model Context Protocol (MCP): Definition, Governance and Spec Versions
The Model Context Protocol (MCP) is an open standard for connecting AI apps to tools. Definition, governance under the Agentic AI Foundation, spec version.
Read →Remote MCP Server: What It Is and How to Use One
A remote MCP server runs on the internet and connects to Claude, ChatGPT or Cursor by URL. Learn remote vs local, auth, clients and how to get one.
Read →MCP Streamable HTTP Transport: Definition and How It Works
MCP Streamable HTTP is the transport an MCP client and server use over one HTTP endpoint, replacing HTTP+SSE. How it works, with MCPifex's live example.
Read →What Is an MCP Server? A Plain-English Guide with Examples
What is an MCP server? A plain-English guide to what MCP servers do, local vs remote vs hosted, popular examples, and how to use one without installing.
Read →
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