A Model Context Protocol (MCP) server implementation that enables Claude AI to interact with ClickHouse databases through a secure and efficient interface.
clickhouse-mcp-server is an MCP project maintained in the harshithgowdakt/clickhouse-mcp-server repository. The maintainer describes its purpose as “A Model Context Protocol (MCP) server implementation that enables Claude AI to interact with ClickHouse databases through a secure and efficient interface”. 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_HOST, CLICKHOUSE_PORT, CLICKHOUSE_USER, CLICKHOUSE_PASSWORD, CLICKHOUSE_SECURE, CLICKHOUSE_VERIFY, CLICKHOUSE_CONNECT_TIMEOUT, CLICKHOUSE_SEND_RECEIVE_TIMEOUT. 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.
{
"mcpServers": {
"clickhouse": {
"command": "node",
"args": [
"/path/to/your/clickhouse-mcp-server/dist/index.js"
],
"env": {
"CLICKHOUSE_HOST": "<clickhouse-host>",
"CLICKHOUSE_PORT": "<clickhouse-port>",
"CLICKHOUSE_USER": "<clickhouse-user>",
"CLICKHOUSE_PASSWORD": "YOUR_CLICKHOUSE_PASSWORD",
"CLICKHOUSE_SECURE": "true",
"CLICKHOUSE_VERIFY": "true",
"CLICKHOUSE_CONNECT_TIMEOUT": "30",
"CLICKHOUSE_SEND_RECEIVE_TIMEOUT": "30"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| CLICKHOUSE_HOST | Declared in the maintainer’s client configuration. | Check documentation |
| CLICKHOUSE_PORT | Declared in the maintainer’s client configuration. | Check documentation |
| CLICKHOUSE_USER | Declared in the maintainer’s client configuration. | Check documentation |
| CLICKHOUSE_PASSWORD | Declared in the maintainer’s client configuration. | Check documentation |
| CLICKHOUSE_SECURE | Declared in the maintainer’s client configuration. | Check documentation |
| CLICKHOUSE_VERIFY | Declared in the maintainer’s client configuration. | Check documentation |
| CLICKHOUSE_CONNECT_TIMEOUT | Declared in the maintainer’s client configuration. | Check documentation |
| CLICKHOUSE_SEND_RECEIVE_TIMEOUT | Declared in the maintainer’s client configuration. | Check documentation |
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