Mentor MCP Server

MCP server that provides insightful feedback and guidance on various types of user requests

Local serverstdioTypeScript

What is the Mentor MCP server?

Mentor becomes available to MCP clients through the mentor mcp server. MCP server that provides insightful feedback and guidance on various types of user requests.

What Mentor does

A Model Context Protocol server providing LLM Agents a second opinion via AI-powered Deepseek-Reasoning (R1) mentorship capabilities, including code review, design critique, writing feedback, and idea brainstorming through the Deepseek API. Set your LLM Agent up for success with expert second opinions and actionable insights.

Installing the mentor mcp server

Setup follows the standard MCP pattern: clone or install the server, then register it in your client's configuration file and restart the client. The configuration snippets on this page cover Claude Desktop, Claude Code and Cursor.

Configuration

Before the server will start you need to supply 5 environment variables: DEEPSEEK_API_KEY, DEEPSEEK_MODEL, DEEPSEEK_MAX_TOKENS, DEEPSEEK_MAX_RETRIES, DEEPSEEK_TIMEOUT. Keep credentials in your client's env block or a secrets manager rather than committing them.

Where it fits

Developer-tool servers are usually the first ones people connect, because they turn "help me with this code" into an assistant that can actually read the repo and act on it. Mentor sits in that group. Worth comparing against the other developer tools servers in this directory before you commit to one, since several overlap in scope but differ sharply in setup cost and permissions.

Practical notes

  • This server runs locally, so it operates with whatever access your machine and its credentials already have. Scope that deliberately rather than by default.
  • It will not start until its required credentials are present, so set those before wondering why the tools never appear.
  • Maintained by cyanheads, written in TypeScript.
  • MCP clients ask for confirmation before each tool call by default. Keep that on while you learn what the mentor mcp server actually does with your data.
  • Every entry in this directory is reviewed by hand before it goes live, and details are checked against the project's own documentation.

Configuration

VariableDescriptionRequired
DEEPSEEK_API_KEYCredential the server authenticates with.Yes
DEEPSEEK_MODELConfiguration value read at startup.Optional
DEEPSEEK_MAX_TOKENSCredential the server authenticates with.Yes
DEEPSEEK_MAX_RETRIESConfiguration value read at startup.Optional
DEEPSEEK_TIMEOUTConfiguration value read at startup.Optional

Frequently asked questions

It connects Mentor to MCP-compatible AI assistants such as Claude and Cursor. Instead of copying data back and forth by hand, the assistant works with Mentor directly.