Model Context Protocol - Prompts

Type: official-doc Tier: 1 (Official Doc) Author(s): Model Context Protocol Date: 2025-06-18 URL: https://modelcontextprotocol.io/specification/2025-06-18/server/prompts Accessed: 2026-06-02

Why This Source Matters

This is the primary source for MCP prompts. It grounds prompts as reusable protocol-exposed templates, not private strings buried inside one application.

Key Claims

• MCP prompts let servers expose reusable interaction templates to clients.
• Prompts are user-controlled rather than automatically model-invoked: clients usually present prompts for users or hosts to select.
• Prompts can declare arguments so clients know what inputs are needed.
• Prompts can return structured message content that a host can place into an LLM interaction.
• A prompt surface can encode task workflows, examples, or role instructions without coupling them to one host application.

Relevant To

• concepts: [mcp-prompts, reusable-prompts, prompt-templates, protocol-interface]
• projects: [01-ai-chatbot, 06-ai-coding-copilot, 09-personal-learning-os, elective-mcp-interface-layer]

Notes

This source is useful when separating "prompt design" from "application implementation." A future MCP server can expose a memory-grounded-assistant prompt alongside tools and resources.