MCP server

ClickHouse

MCP

Official ClickHouse MCP. Analytics, not a second console.

Query and explore clusters and chDB from ClickHouse’s own server.

latest·Apache-2.0·Updated this quarter·github.com/ClickHouse/mcp-clickhouse·Transport: stdio

Claude CodeCursorVS CodeDesktop

ScannedActive

claude_desktop_config.json

{
  "mcpServers": {
    "clickhouse": {
      "command": "uvx",
      "args": [
        "mcp-clickhouse"
      ],
      "env": {
        "CLICKHOUSE_HOST": "…"
      }
    }
  }
}

By ClickHouse

Spec

What the server actually exposes.

list_tables
read
Tables and columns on the cluster.
run_query
read
Read-only SQL.
cluster_health
read
Basic cluster status.

Tool	Does	Access
list_tables	Tables and columns on the cluster.	read
run_query	Read-only SQL.	read
cluster_health	Basic cluster status.	read

Guardrails

Credentials stay in env
Read-first unless a write tool is called
Official package, not a wrapper

clickhouse-mcp.mcp/tools

Tools

list_tables
Tables and columns on the cluster.
read
run_query
Read-only SQL.
read
cluster_health
Basic cluster status.
read

Last call

{ "ok": true,
  "tool": "list_tables",
  "rows": 12 }

Maker

ClickHouse

@clickhouse · Company

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