googleapis--mcp-toolbox/docs/en/integrations/clickhouse/source.md

title, type, weight, linkTitle, description, no_list

title	type	weight	linkTitle	description	no_list
ClickHouse Source	docs	1	Source	ClickHouse is an open-source, OLTP database.	true

About

ClickHouse is a fast, open-source, column-oriented database

Available Tools

{{< list-tools >}}

Requirements

Database User

This source uses standard ClickHouse authentication. You will need to create a ClickHouse user (or with ClickHouse Cloud) to connect to the database with. The user should have appropriate permissions for the operations you plan to perform.

Network Access

ClickHouse supports multiple protocols:

• HTTPS protocol (default port 8443) - Secure HTTP access (default)
• HTTP protocol (default port 8123) - Good for web-based access

Example

Secure Connection Example

kind: source
name: secure-clickhouse-source
type: clickhouse
host: clickhouse.example.com
port: "8443"
database: analytics
user: ${CLICKHOUSE_USER}
password: ${CLICKHOUSE_PASSWORD}
protocol: https
secure: true

HTTP Protocol Example

kind: source
name: http-clickhouse-source
type: clickhouse
host: localhost
port: "8123"
database: logs
user: ${CLICKHOUSE_USER}
password: ${CLICKHOUSE_PASSWORD}
protocol: http
secure: false

{{< notice tip >}} Use environment variable replacement with the format ${ENV_NAME} instead of hardcoding your secrets into the configuration file. {{< /notice >}}

Reference

field	type	required	description
type	string	true	Must be "clickhouse".
host	string	true	IP address or hostname to connect to (e.g. "127.0.0.1" or "clickhouse.example.com")
port	string	true	Port to connect to (e.g. "8443" for HTTPS, "8123" for HTTP)
database	string	true	Name of the ClickHouse database to connect to (e.g. "my_database").
user	string	true	Name of the ClickHouse user to connect as (e.g. "analytics_user").
password	string	false	Password of the ClickHouse user (e.g. "my-password").
protocol	string	false	Connection protocol: "https" (default) or "http".
secure	boolean	false	Whether to use a secure connection (TLS). Default: false.