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MCP Glossary

Key terms and concepts

New to MCP? This glossary explains the key concepts and terminology you'll encounter when working with the Model Context Protocol.

Cloudflare Worker

A serverless function running on Cloudflare's edge network.

Credentials

Authentication information (API keys, tokens) required to access external services.

Endpoint

The URL where an MCP server is hosted and can receive requests.

Input Schema

A JSON Schema that defines the parameters a tool accepts.

MCP

Model Context Protocol - An open standard for connecting AI assistants to external tools and data sources.

MCP Server

A service that implements the MCP protocol and exposes tools for AI assistants to use.

Tool

A function that an AI assistant can call to perform actions or retrieve information from external services.

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