A Model Context Protocol (MCP) server that connects to ClickHouse databases and allows LLMs like Claude to explore and analyze data through natural language queries.
ClickHouse MCP Server is an MCP project maintained in the bjpadhy/clickhouse-mcp-server repository. The maintainer describes its purpose as “A Model Context Protocol (MCP) server that connects to ClickHouse databases and allows LLMs like Claude to explore and analyze data through natural language queries”. Read the project documentation for the complete scope.
The project provides a local client configuration using node. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.
The example declares CLICKHOUSE_URL, CLICKHOUSE_USERNAME, CLICKHOUSE_PASSWORD, CLICKHOUSE_DATABASE. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| execute-sql | Run a read-only SQL query against the database |
| natural-language-query | Ask questions about your data in natural language |
{
"mcpServers": {
"clickhouse-analytics": {
"command": "node",
"args": [
"/absolute/path/to/clickhouse-mcp-server/dist/index.js"
],
"env": {
"CLICKHOUSE_URL": "your_clickhouse_url",
"CLICKHOUSE_USERNAME": "your_username",
"CLICKHOUSE_PASSWORD": "YOUR_CLICKHOUSE_PASSWORD",
"CLICKHOUSE_DATABASE": "your_database"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| CLICKHOUSE_URL | Declared in the maintainer’s client configuration. | Check documentation |
| CLICKHOUSE_USERNAME | Declared in the maintainer’s client configuration. | Check documentation |
| CLICKHOUSE_PASSWORD | Declared in the maintainer’s client configuration. | Check documentation |
| CLICKHOUSE_DATABASE | Declared in the maintainer’s client configuration. | Check documentation |
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