MCP Glossary

MCP (Model Context Protocol)
A protocol that standardizes how tools, services, and resources are exposed and consumed by AI systems. See the documentation for details.
MCP Server
A service that implements the MCP specification to provide tools and resources in a standardized way. See FAQ.
MCP Registry
A directory of MCP servers that allows discovery, integration, and management of available services. Learn more in the docs.
Agent
An AI system or application that consumes MCP servers to extend its capabilities. See use cases.
Tool
A discrete function or capability exposed by an MCP server, accessible via the MCP API.
Resource
A data source or asset provided by an MCP server, such as a file, API response, or system info.
JSON-LD
A lightweight Linked Data format used to encode structured data for search engines and answer engines. See structured data docs.
Open Graph
A protocol for embedding rich metadata in web pages, used by social platforms for link previews.
FAQPage
A Schema.org type for marking up FAQ content to help answer engines extract questions and answers.
HowTo
A Schema.org type for marking up step-by-step guides and tutorials for answer engines.
agent.json
A manifest file describing an MCP server’s capabilities, tools, resources, and metadata. See docs.
Semantic Versioning
A versioning scheme using MAJOR.MINOR.PATCH format to communicate breaking changes, features, and fixes.
Schema.org
A collaborative community activity with a mission to create, maintain, and promote schemas for structured data on the Internet.