Cloudera Iceberg MCP Server (via Impala)
About
A Model Context Protocol server that provides read-only access to Iceberg tables via Apache Impala. It enables LLMs to inspect database schemas and execute read-only SQL queries.
Details
- Author
- peterableda
- Downloads
- 206
- Categories
- Other
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- execute_query: Run any SQL query on Impala and return results as JSON.
- get_schema: List all tables available in the current database.
- Read‑only access to Iceberg tables.
- Designed for LLM integration (Claude Desktop, LangChain, OpenAI SDK).
- Uses Impala as the query engine.
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
Cloudera Iceberg MCP Server (via Impala)Command (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
Configure it in Claude Desktop as an MCP server by adding a JSON entry to claude_desktop_config.json with uv run server.py and environment variables (IMPALA_HOST, IMPALA_PORT, IMPALA_USER, IMPALA_PASSWORD, IMPALA_DATABASE). Example integrations for LangChain/LangGraph and OpenAI SDK are included in the ./examples folder.
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"cloudera iceberg mcp server (via impala)": {
"iceberg-mcp-server": {
"command": "uv",
"args": [
"--directory",
"/path/to/iceberg-mcp-server",
"run",
"server.py"
],
"env": {
"IMPALA_HOST": "coordinator-default-impala.example.com",
"IMPALA_PORT": "443",
"IMPALA_USER": "username",
"IMPALA_PASSWORD": "password",
"IMPALA_DATABASE": "default"
}
}
}
}
}McpServers
{
"iceberg-mcp-server": {
"command": "uv",
"args": [
"--directory",
"/path/to/iceberg-mcp-server",
"run",
"server.py"
],
"env": {
"IMPALA_HOST": "coordinator-default-impala.example.com",
"IMPALA_PORT": "443",
"IMPALA_USER": "username",
"IMPALA_PASSWORD": "password",
"IMPALA_DATABASE": "default"
}
}
}Cloudera Iceberg MCP Server (via Impala)
This is a A Model Context Protocol server that provides read-only access to Iceberg tables via Apache Impala. This server enables LLMs to inspect database schemas and execute read-only queries.
- execute_query(query: str): Run any SQL query on Impala and return the results as JSON.
- get_schema(): List all tables available in the current database.
Usage with Claude Desktop
To use this server with the Claude Desktop app, add the following configuration to the "mcpServers" section of your claude_desktop_config.json:
{
"mcpServers": {
"iceberg-mcp-server": {
"command": "uv",
"args": [
"--directory",
"/path/to/iceberg-mcp-server",
"run",
"server.py"
],
"env": {
"IMPALA_HOST": "coordinator-default-impala.example.com",
"IMPALA_PORT": "443",
"IMPALA_USER": "username",
"IMPALA_PASSWORD": "password",
"IMPALA_DATABASE": "default"
}
}
}
}
Replace /path/to with your path to this repository and set the environment variables.
Usage with AI frameworks
The ./examples folder contains several examples how to integrate this MCP Server with common AI Frameworks like LangChain/LangGraph, OpenAI SDK.
Copyright (c) 2025 - Cloudera, Inc. All rights reserved.
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