Glossary · Agents & harnesses

MCP server

A service that exposes tools, resources, or prompts to an LLM application using the Model Context Protocol.

Related terms

• AI agent
• JSON mode
• LangChain
• LlamaIndex
• Model Context Protocol (MCP)
• ReAct pattern

Vynaris is an inference gateway that routes each request to the cheapest right-sized model and shows the receipt. Get an API key or read the docs.