README.md•2.25 kB
# ClickHouse MCP Server
A Model Context Protocal (MCP) server implement for ClickHouse.
This server provides AI assistants with a secure and structured way to explore and analyze databases. It enables them to list tables, read data, and execute SQL queries through a controlled interface, ensuring responsible database access.
# Configuration
Set the following environment variables:
```bash
CLICKHOUSE_HOST=localhost
CLICKHOUSE_PORT=8123
CLICKHOUSE_USER=default
CLICKHOUSE_PASSWORD=CHANGE_TO_YOUR_PASSWORD
CLICKHOUSE_DATABASE=default
```
Or via command-line args:
* `--host` the database host
* `--port` the database port
* `--user` the database username
* `--password` the database password
* `--database` the database name
# Usage
## Fake some data in clickhouse
Check the SQL in dev_contribute.md for details.
## Post your question to AI assistant in Cline
```
What is the sales volume in each region? Which product is the best - selling?
```
<img src="pics/demo.png" alt="Demo Screenshot" width="600" />
## CLINE
Configure the MCP server in VSCode, Cline extension, or other MCP client.:
Example:
```json
{
"mcpServers": {
"clickhouse": {
"command": "uv",
"args": [
"--directory",
"/path/to/clickhouse_mcp_server",
"run",
"-m",
"clickhouse_mcp_server.server"
],
"env": {
"CLICKHOUSE_HOST": "localhost",
"CLICKHOUSE_PORT": "8123",
"CLICKHOUSE_USER": "default",
"CLICKHOUSE_PASSWORD": "CHANGE_TO_YOUR_PASSWORD",
"CLICKHOUSE_DATABASE": "default"
}
}
}
}
```
# License
APACHE - See LICENSE file for details.
# Contribute
See dev_contribute.md for details.
## Prerequisites
- Python with `uv` package manager
- ClickHouse installation
- MCP server dependencies
# Acknowledgement
This library's implementation was inspired by the following three repositories and incorporates their code, respect for the open-source spirit!
* [GreptimeTeam/greptimedb-mcp-server](https://github.com/GreptimeTeam/greptimedb-mcp-server)
* [ktanaka101/mcp-server-duckdb](https://github.com/ktanaka101/mcp-server-duckdb)
* [designcomputer/mysql_mcp_server)](https://github.com/designcomputer/mysql_mcp_server)
Thanks!