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Server Features
Enables servers to provide core functionality including tools for AI actions, resources for context data, and prompts for interaction templates from and to the client
Servers provide the fundamental building blocks for adding context to language models via MCP. These primitives enable rich interactions between clients, servers, and language models:
- Prompts: Pre-defined templates or instructions that guide language model interactions
- Resources: Structured data or content that provides additional context to the model
- Tools: Executable functions that allow models to perform actions or retrieve information
Each primitive can be summarized in the following control hierarchy:
| Primitive | Control | Description | Example |
|---|---|---|---|
| 📝 Prompts | User-controlled | Interactive templates invoked by user choice | Slash commands, menu options |
| 📚 Resources | Application-controlled | Contextual data attached and managed by the client | File contents, git history |
| 🛠️ Tools | Model-controlled | Functions exposed to the LLM to take actions | API POST requests, file writing |
Last updated 10 Aug 2025, 20:01 +0100 .