A read-only-by-default Model Context Protocol (MCP) server for ClickHouse that provides schema discovery, read-only queries, execution-plan analysis, opt-in writes, and profile-based access to…
mcp-clickhousex is an MCP project maintained in the alyiox/mcp-clickhousex repository. The maintainer describes its purpose as “A read-only-by-default Model Context Protocol (MCP) server for ClickHouse that provides schema discovery, read-only queries, execution-plan analysis, opt-in writes, and profile-based access to multiple servers…”. Read the project documentation for the complete scope.
The documented pypi package is mcp-clickhousex. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
The example declares MCP_CLICKHOUSE_DSN. 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 |
|---|---|
| URI | Description |
{
"mcpServers": {
"clickhouse": {
"command": "uvx",
"args": [
"mcp-clickhousex"
],
"env": {
"MCP_CLICKHOUSE_DSN": "http://default:@localhost:8123/default"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| MCP_CLICKHOUSE_DSN | Declared in the maintainer’s client configuration. | Check documentation |
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