ClickHouse MCP

Official ClickHouse MCP server for querying and exploring ClickHouse clusters and chDB.

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Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by ClickHouse

Vendor documentation

What you can do with it

Query ClickHouse clusters
Explore chDB
Run real-time analytics
Access observability data

Source and maintenance

Community listingRegistry 0.7.0

mcp-registry: io.github.ClickHouse/mcp-clickhouse@0.7.0 Source repository Project website

Maintenance checked: Nov 1, 2026, 5:34 AM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

mcp-clickhouse 0.7.0

pypiuvx

mcp-clickhouse package definition

{
  "version": "0.7.0",
  "transport": "stdio",
  "identifier": "mcp-clickhouse",
  "runtimeHint": "uvx",
  "registryType": "pypi",
  "environmentVariables": [
    {
      "name": "CLICKHOUSE_HOST",
      "isRequired": true,
      "description": "Hostname of the ClickHouse server"
    },
    {
      "name": "CLICKHOUSE_USER",
      "isRequired": true,
      "description": "Username for ClickHouse authentication"
    },
    {
      "name": "CLICKHOUSE_PASSWORD",
      "description": "Password for ClickHouse authentication. Required unless a client certificate uses the default or mutual TLS mode"
    },
    {
      "name": "CLICKHOUSE_PORT",
      "description": "ClickHouse HTTP(S) port. Defaults to 8443 when CLICKHOUSE_SECURE=true, 8123 otherwise"
    },
    {
      "name": "CLICKHOUSE_SECURE",
      "format": "boolean",
      "default": "true",
      "description": "Use HTTPS to connect to ClickHouse"
    },
    {
      "name": "CLICKHOUSE_VERIFY",
      "format": "boolean",
      "default": "true",
      "description": "Verify SSL certificates"
    },
    {
      "name": "CLICKHOUSE_CA_CERT",
      "format": "filepath",
      "description": "Path to a PEM CA bundle for ClickHouse server certificate verification"
    },
    {
      "name": "CLICKHOUSE_CLIENT_CERT",
      "format": "filepath",
      "description": "Path to a PEM client certificate for the ClickHouse HTTPS connection"
    },
    {
      "name": "CLICKHOUSE_CLIENT_CERT_KEY",
      "format": "filepath",
      "description": "Path to the PEM private key for CLICKHOUSE_CLIENT_CERT"
    },
    {
      "name": "CLICKHOUSE_TLS_MODE",
      "choices": [
        "mutual",
        "proxy",
        "strict"
      ],
      "description": "Client certificate mode: mutual, proxy, or strict"
    },
    {
      "name": "CLICKHOUSE_DATABASE",
      "description": "Default database to use"
    },
    {
      "name": "CLICKHOUSE_ROLE",
      "description": "ClickHouse role to activate for the session"
    },
    {
      "name": "CLICKHOUSE_ALLOW_WRITE_ACCESS",
      "format": "boolean",
      "default": "false",
      "description": "Allow write operations (DDL and DML). Queries run read-only by default"
    },
    {
      "name": "CLICKHOUSE_ALLOW_DROP",
      "format": "boolean",
      "default": "false",
      "description": "Allow destructive operations (DROP, TRUNCATE, DELETE, UPDATE, REPLACE, CLEAR, and DETACH PERMANENTLY) when write access is also enabled"
    },
    {
      "name": "CLICKHOUSE_MCP_QUERY_TIMEOUT",
      "format": "number",
      "default": "30",
      "description": "Query tool timeout in seconds"
    },
    {
      "name": "CLICKHOUSE_MCP_MAX_WORKERS",
      "format": "number",
      "default": "10",
      "description": "Maximum query worker thread pool size"
    }
  ]
}

Tools

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Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "clickhouse-mcp-mcp-clickhouse": {
      "command": "uvx",
      "args": [
        "mcp-clickhouse==0.7.0"
      ],
      "env": {
        "CLICKHOUSE_HOST": "<YOUR_CLICKHOUSE_HOST>",
        "CLICKHOUSE_USER": "<YOUR_CLICKHOUSE_USER>",
        "CLICKHOUSE_PASSWORD": "<YOUR_CLICKHOUSE_PASSWORD>",
        "CLICKHOUSE_PORT": "<YOUR_CLICKHOUSE_PORT>",
        "CLICKHOUSE_SECURE": "<YOUR_CLICKHOUSE_SECURE>",
        "CLICKHOUSE_VERIFY": "<YOUR_CLICKHOUSE_VERIFY>",
        "CLICKHOUSE_CA_CERT": "<YOUR_CLICKHOUSE_CA_CERT>",
        "CLICKHOUSE_CLIENT_CERT": "<YOUR_CLICKHOUSE_CLIENT_CERT>",
        "CLICKHOUSE_CLIENT_CERT_KEY": "<YOUR_CLICKHOUSE_CLIENT_CERT_KEY>",
        "CLICKHOUSE_TLS_MODE": "<YOUR_CLICKHOUSE_TLS_MODE>",
        "CLICKHOUSE_DATABASE": "<YOUR_CLICKHOUSE_DATABASE>",
        "CLICKHOUSE_ROLE": "<YOUR_CLICKHOUSE_ROLE>",
        "CLICKHOUSE_ALLOW_WRITE_ACCESS": "<YOUR_CLICKHOUSE_ALLOW_WRITE_ACCESS>",
        "CLICKHOUSE_ALLOW_DROP": "<YOUR_CLICKHOUSE_ALLOW_DROP>",
        "CLICKHOUSE_MCP_QUERY_TIMEOUT": "<YOUR_CLICKHOUSE_MCP_QUERY_TIMEOUT>",
        "CLICKHOUSE_MCP_MAX_WORKERS": "<YOUR_CLICKHOUSE_MCP_MAX_WORKERS>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "clickhouse-mcp-mcp-clickhouse": {
      "command": "uvx",
      "args": [
        "mcp-clickhouse==0.7.0"
      ],
      "env": {
        "CLICKHOUSE_HOST": "<YOUR_CLICKHOUSE_HOST>",
        "CLICKHOUSE_USER": "<YOUR_CLICKHOUSE_USER>",
        "CLICKHOUSE_PASSWORD": "<YOUR_CLICKHOUSE_PASSWORD>",
        "CLICKHOUSE_PORT": "<YOUR_CLICKHOUSE_PORT>",
        "CLICKHOUSE_SECURE": "<YOUR_CLICKHOUSE_SECURE>",
        "CLICKHOUSE_VERIFY": "<YOUR_CLICKHOUSE_VERIFY>",
        "CLICKHOUSE_CA_CERT": "<YOUR_CLICKHOUSE_CA_CERT>",
        "CLICKHOUSE_CLIENT_CERT": "<YOUR_CLICKHOUSE_CLIENT_CERT>",
        "CLICKHOUSE_CLIENT_CERT_KEY": "<YOUR_CLICKHOUSE_CLIENT_CERT_KEY>",
        "CLICKHOUSE_TLS_MODE": "<YOUR_CLICKHOUSE_TLS_MODE>",
        "CLICKHOUSE_DATABASE": "<YOUR_CLICKHOUSE_DATABASE>",
        "CLICKHOUSE_ROLE": "<YOUR_CLICKHOUSE_ROLE>",
        "CLICKHOUSE_ALLOW_WRITE_ACCESS": "<YOUR_CLICKHOUSE_ALLOW_WRITE_ACCESS>",
        "CLICKHOUSE_ALLOW_DROP": "<YOUR_CLICKHOUSE_ALLOW_DROP>",
        "CLICKHOUSE_MCP_QUERY_TIMEOUT": "<YOUR_CLICKHOUSE_MCP_QUERY_TIMEOUT>",
        "CLICKHOUSE_MCP_MAX_WORKERS": "<YOUR_CLICKHOUSE_MCP_MAX_WORKERS>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "clickhouse-mcp-mcp-clickhouse": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-clickhouse==0.7.0"
      ],
      "env": {
        "CLICKHOUSE_HOST": "<YOUR_CLICKHOUSE_HOST>",
        "CLICKHOUSE_USER": "<YOUR_CLICKHOUSE_USER>",
        "CLICKHOUSE_PASSWORD": "<YOUR_CLICKHOUSE_PASSWORD>",
        "CLICKHOUSE_PORT": "<YOUR_CLICKHOUSE_PORT>",
        "CLICKHOUSE_SECURE": "<YOUR_CLICKHOUSE_SECURE>",
        "CLICKHOUSE_VERIFY": "<YOUR_CLICKHOUSE_VERIFY>",
        "CLICKHOUSE_CA_CERT": "<YOUR_CLICKHOUSE_CA_CERT>",
        "CLICKHOUSE_CLIENT_CERT": "<YOUR_CLICKHOUSE_CLIENT_CERT>",
        "CLICKHOUSE_CLIENT_CERT_KEY": "<YOUR_CLICKHOUSE_CLIENT_CERT_KEY>",
        "CLICKHOUSE_TLS_MODE": "<YOUR_CLICKHOUSE_TLS_MODE>",
        "CLICKHOUSE_DATABASE": "<YOUR_CLICKHOUSE_DATABASE>",
        "CLICKHOUSE_ROLE": "<YOUR_CLICKHOUSE_ROLE>",
        "CLICKHOUSE_ALLOW_WRITE_ACCESS": "<YOUR_CLICKHOUSE_ALLOW_WRITE_ACCESS>",
        "CLICKHOUSE_ALLOW_DROP": "<YOUR_CLICKHOUSE_ALLOW_DROP>",
        "CLICKHOUSE_MCP_QUERY_TIMEOUT": "<YOUR_CLICKHOUSE_MCP_QUERY_TIMEOUT>",
        "CLICKHOUSE_MCP_MAX_WORKERS": "<YOUR_CLICKHOUSE_MCP_MAX_WORKERS>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "clickhouse-mcp-mcp-clickhouse": {
      "command": "uvx",
      "args": [
        "mcp-clickhouse==0.7.0"
      ],
      "env": {
        "CLICKHOUSE_HOST": "<YOUR_CLICKHOUSE_HOST>",
        "CLICKHOUSE_USER": "<YOUR_CLICKHOUSE_USER>",
        "CLICKHOUSE_PASSWORD": "<YOUR_CLICKHOUSE_PASSWORD>",
        "CLICKHOUSE_PORT": "<YOUR_CLICKHOUSE_PORT>",
        "CLICKHOUSE_SECURE": "<YOUR_CLICKHOUSE_SECURE>",
        "CLICKHOUSE_VERIFY": "<YOUR_CLICKHOUSE_VERIFY>",
        "CLICKHOUSE_CA_CERT": "<YOUR_CLICKHOUSE_CA_CERT>",
        "CLICKHOUSE_CLIENT_CERT": "<YOUR_CLICKHOUSE_CLIENT_CERT>",
        "CLICKHOUSE_CLIENT_CERT_KEY": "<YOUR_CLICKHOUSE_CLIENT_CERT_KEY>",
        "CLICKHOUSE_TLS_MODE": "<YOUR_CLICKHOUSE_TLS_MODE>",
        "CLICKHOUSE_DATABASE": "<YOUR_CLICKHOUSE_DATABASE>",
        "CLICKHOUSE_ROLE": "<YOUR_CLICKHOUSE_ROLE>",
        "CLICKHOUSE_ALLOW_WRITE_ACCESS": "<YOUR_CLICKHOUSE_ALLOW_WRITE_ACCESS>",
        "CLICKHOUSE_ALLOW_DROP": "<YOUR_CLICKHOUSE_ALLOW_DROP>",
        "CLICKHOUSE_MCP_QUERY_TIMEOUT": "<YOUR_CLICKHOUSE_MCP_QUERY_TIMEOUT>",
        "CLICKHOUSE_MCP_MAX_WORKERS": "<YOUR_CLICKHOUSE_MCP_MAX_WORKERS>"
      }
    }
  }
}

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