MCP Servers

Semantic Code MCP Server

Bridges MCP and LSP to enable semantic code analysis, including go-to-definition, find references, hover info, and function call relationship checks.

README

Semantic Code MCP Server

This is a Model Context Protocol (MCP) server that provides semantic code analysis capabilities using the Language Server Protocol (LSP).

Features

Semantic Navigation: Go to definition, find references, hover info.
Relationship Analysis: Check if function A calls function B (using LSP references).

Architecture

This server acts as a bridge between MCP and LSP. It spawns a typescript-language-server instance and translates MCP tool calls into LSP JSON-RPC requests.

Tools

get_definition: Find where a symbol is defined.
get_references: Find all usages of a symbol.
search_in_file: Search for a string in a file to find its line and character position.
check_function_call: Analyze if one function calls another.

Usage

Installation

Clone the repository:

git clone git@github.com:thousandmiles/lsp-mcp-server.git
cd lsp-mcp-server

Run the setup script to build the project and generate the configuration:
```
./setup.sh
```
Copy the output JSON and paste it into your MCP client configuration file.

Manual Setup

Install dependencies and build:
```
npm install
npm run build
```

Configure your MCP client (e.g. Claude Desktop) to run this server:

{
  "mcpServers": {
    "semantic-code": {
      "command": "node",
      "args": ["/path/to/code_node/build/index.js"]
    }
  }
}

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