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LlamaCloud MCP Server

@run-llama

Repository

Basic information

Category

AI & Agents

License

MIT

Transports

stdio

Author

run-llama

About LlamaCloud MCP Server

A MCP server connecting to managed indexes on LlamaCloud

#llamacloud#mcp-server#managed-index

LlamaCloud MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "llamacloud": {
      "command": "npx",
      "args": [
        "-y",
        "@llamaindex/mcp-server-llamacloud",
        "--index",
        "10k-SEC-Tesla",
        "--description",
        "10k SEC documents from 2023 for Tesla",
        "--topK",
        "5",
        "--index",
        "10k-SEC-Apple",
        "--description",
        "10k SEC documents from 2023 for Apple"
      ],
      "env": {
        "LLAMA_CLOUD_API_KEY": "<YOUR_API_KEY>"
      }
    }
  }
}

LlamaCloud MCP Server tools

1

generates tool names like `get_information_index_name` based on index names

Overview

What is LlamaCloud MCP Server?

LlamaCloud MCP Server is a TypeScript-based MCP server that connects to multiple managed indexes on LlamaCloud. It creates separate MCP tools for each index, allowing users to query their LlamaCloud documents through an MCP client.

How to use LlamaCloud MCP Server?

Configure the server in your MCP client (e.g., Claude Desktop, Windsurf, or Cursor) by adding an entry with command npx -y @llamaindex/mcp-server-llamacloud and passing --index, --description, and optionally --topK arguments for each index. Set the LLAMA_CLOUD_API_KEY environment variable to your API key.

Key features of LlamaCloud MCP Server

  • Creates a separate tool for each defined index
  • Each tool provides a query parameter for searching
  • Auto-generates tool names like get_information_index_name
  • Supports optional --topK to limit results per tool

Use cases of LlamaCloud MCP Server

  • Querying 10k SEC documents for multiple companies from a single server
  • Searching indexed knowledge bases through an MCP client interface
  • Managing and querying multiple LlamaCloud projects within one agent

Frequently asked questions

1

How do I configure the server for my MCP client?

Add a JSON entry to your MCP client config with command `npx -y @llamaindex/mcp-server-llamacloud`, provide `--index` and `--description` pairs, and set `LLAMA_CLOUD_API_KEY` in the `env` block.

2

Where can I find my MCP client configuration file?

On macOS: `~/Library/Application Support/Claude/claude_desktop_config.json`. On Windows: `%APPDATA%/Claude/claude_desktop_config.json`.

3

How do I define multiple indexes (tools)?

Repeat the `--index` and `--description` arguments in the `args` array. Each pair creates a new tool. Optionally add `--topK` after a pair to limit its results.

4

What environment variables are required?

`LLAMA_CLOUD_API_KEY` is required. `LLAMA_CLOUD_PROJECT_NAME` is optional and defaults to `Default` if not set.

5

How can I debug the server?

Use the MCP Inspector by running `npm run inspector` from the project directory. It provides a URL with debugging tools for stdio-based MCP servers.

Comments

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