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Language Server MCP logo

Language Server MCP

alexwohletz/language-server-mcp

A Model Context Protocol (MCP) server providing language support for code editing.

View on GitHub19

Install

Client configuration

{
  "mcpServers": {
    "language-server-mcp": {
      "command": "/path/to/language-server-mcp/build/index.js"
    }
  }
}
GitHub stars
19
Author
@alexwohletz
Category
Developer Tools, Education & Learning
Updated
Oct 6, 2026

About Language Server MCP

This is a TypeScript-based MCP server designed to enhance code editing experiences by providing features such as hover information, code completion, and diagnostics. It demonstrates core MCP concepts by providing:

Features

  • Provides hover information for symbols in code

  • Offers code completion suggestions

  • Reports diagnostic information (errors, warnings)

  • Only tested with typescript, theoretically should support Python. Would love to add additional language servers or be more agnostic if possible.

  • Implements the MCP protocol for communication with clients

  • Exposes language features as MCP tools

Tools (3)

  • get_hover

    Get hover information for a position in a document

  • get_completions

    Get completion suggestions for a position in a document

  • get_diagnostics

    Get diagnostic information for a document

Details on this page are taken from the project's README. Open README

Supported clients

Clients mentioned in this server's README:

View all
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Claude Desktop

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Anthropic's official Claude AI desktop application. Supports MCP servers to extend functionality.

WindowsMacOS

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