---
id: "mcp-reference-servers"
title: "MCP reference servers"
creator: "MCP project"
creator_url: "https://github.com/modelcontextprotocol/servers"
url: "https://github.com/modelcontextprotocol/servers"
level: "advanced"
level_max: null
category: "agents"
subcategory: "tool-use-and-mcp"
region: "other"
license: "closed"
license_scope: "linked-resource"
models: ["any"]
source_date: null
date_added: "2026-10-18"
---

[Agents and harnesses](/agents/index.md)

# MCP reference servers

by [MCP project](https://github.com/modelcontextprotocol/servers)

[Read the original →](https://github.com/modelcontextprotocol/servers)

Reference implementations to learn MCP server design from.

The repository supplies examples of servers for the Model Context Protocol. Use them to study implementation choices and check the current security guidance before exposing tools to an agent.

Level: [Advanced](/levels/index.md#advanced)
Models: any
Category: [Agents and harnesses](/agents/index.md)
Tags: [mcp](/tags/mcp/index.md), [tools](/tags/tools/index.md)
Source date: date not stated
Added: 2026-10-18
Last verified: 2026-10-18
Status: ok
Prerequisites: Requires implementation experience or critical reading of technical methods and system trade-offs.
Subcategory: [tool use and mcp](/agents/tool-use-and-mcp/index.md)
Region: other
Original language: en
Access: free
Resource reuse: closed: No general open-reuse grant established from the inspected page. Closed is the conservative index bucket, not a legal finding; the resource is publicly readable. [Facet definitions](/about/index.md#facets)

Summary in our own words. Rights remain with the original creator. [Credit and correction policy](/about/index.md#credit-policy).

[Plain-text Markdown copy](/agents/tool-use-and-mcp/mcp-reference-servers/index.md)