This MCP server provides access to Large Language Models (LLMs) through the LlamaIndexTS library. It offers tools for code generation, documentation creation, and question answering, making it easy to integrate LLM capabilities into your development workflow.
The easiest way to install the MCP LLM server is using Smithery:
npx -y @smithery/cli install @sammcj/mcp-llm --client claude
If you prefer to install from source:
npm install
npm run build
The package includes an example script that demonstrates how to use the MCP server:
node examples/use-mcp-server.js
This script starts the MCP server and demonstrates how to send requests using curl commands.
The MCP server provides four main tools that you can use to interact with LLMs.
Generate code based on a description by providing a JSON payload:
{
"description": "Create a function that calculates the factorial of a number",
"language": "JavaScript"
}
Write generated code directly to a specific file at a designated line number:
{
"description": "Create a function that calculates the factorial of a number",
"language": "JavaScript",
"filePath": "/path/to/factorial.js",
"lineNumber": 10,
"replaceLines": 0
}
This tool supports both relative and absolute file paths. Relative paths are resolved from the current working directory of the MCP server.
Create documentation for existing code:
{
"code": "function factorial(n) {\n if (n <= 1) return 1;\n return n * factorial(n - 1);\n}",
"language": "JavaScript",
"format": "JSDoc"
}
Ask the LLM questions with optional context for more relevant answers:
{
"question": "What is the difference between var, let, and const in JavaScript?",
"context": "I'm a beginner learning JavaScript and confused about variable declarations."
}
To add this MCP server to Claude Code, run this command in your terminal:
claude mcp add-json "llamaindex" '{"command":"npx","args":["-y","@sammcj/mcp-llm"]}'See the official Claude Code MCP documentation for more details.
There are two ways to add an MCP server to Cursor. The most common way is to add the server globally in the ~/.cursor/mcp.json file so that it is available in all of your projects.
If you only need the server in a single project, you can add it to the project instead by creating or adding it to the .cursor/mcp.json file.
To add a global MCP server go to Cursor Settings > Tools & Integrations and click "New MCP Server".
When you click that button the ~/.cursor/mcp.json file will be opened and you can add your server like this:
{
"mcpServers": {
"llamaindex": {
"command": "npx",
"args": [
"-y",
"@sammcj/mcp-llm"
]
}
}
}To add an MCP server to a project you can create a new .cursor/mcp.json file or add it to the existing one. This will look exactly the same as the global MCP server example above.
Once the server is installed, you might need to head back to Settings > MCP and click the refresh button.
The Cursor agent will then be able to see the available tools the added MCP server has available and will call them when it needs to.
You can also explicitly ask the agent to use the tool by mentioning the tool name and describing what the function does.
To add this MCP server to Claude Desktop:
1. Find your configuration file:
~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.json~/.config/Claude/claude_desktop_config.json2. Add this to your configuration file:
{
"mcpServers": {
"llamaindex": {
"command": "npx",
"args": [
"-y",
"@sammcj/mcp-llm"
]
}
}
}3. Restart Claude Desktop for the changes to take effect