mcp-clickhouse/server.json at main · ClickHouse/mcp-clickhouse · GitHub

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{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.ClickHouse/mcp-clickhouse",
  "title": "ClickHouse",
  "description": "Official ClickHouse MCP server for querying and exploring ClickHouse clusters and chDB.",
  "version": "0.4.0",
  "repository": {
    "url": "https://github.com/ClickHouse/mcp-clickhouse",
    "source": "github"
  },
  "websiteUrl": "https://clickhouse.com",
  "packages": [
    {
      "registryType": "pypi",
      "identifier": "mcp-clickhouse",
      "version": "0.4.0",
      "runtimeHint": "uvx",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "name": "CLICKHOUSE_HOST",
          "description": "Hostname of the ClickHouse server",
          "isRequired": true
        },
        {
          "name": "CLICKHOUSE_USER",
          "description": "Username for ClickHouse authentication",
          "isRequired": true
        },
        {
          "name": "CLICKHOUSE_PASSWORD",
          "description": "Password for ClickHouse authentication",
          "isRequired": true,
          "isSecret": true
        },
        {
          "name": "CLICKHOUSE_PORT",
          "description": "ClickHouse HTTP(S) port. Defaults to 8443 when CLICKHOUSE_SECURE=true, 8123 otherwise",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_SECURE",
          "description": "Use HTTPS to connect to ClickHouse",
          "format": "boolean",
          "default": "true",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_VERIFY",
          "description": "Verify SSL certificates",
          "format": "boolean",
          "default": "true",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_DATABASE",
          "description": "Default database to use",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_ROLE",
          "description": "ClickHouse role to activate for the session",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_ALLOW_WRITE_ACCESS",
          "description": "Allow write operations (DDL and DML). Queries run read-only by default",
          "format": "boolean",
          "default": "false",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_ALLOW_DROP",
          "description": "Allow destructive operations (DROP, TRUNCATE) when write access is also enabled",
          "format": "boolean",
          "default": "false",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_MCP_QUERY_TIMEOUT",
          "description": "Query tool timeout in seconds",
          "format": "number",
          "default": "30",
          "isRequired": false
        }
      ]
    },
    {
      "registryType": "oci",
      "identifier": "ghcr.io/clickhouse/mcp-clickhouse:0.4.0",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "name": "CLICKHOUSE_HOST",
          "description": "Hostname of the ClickHouse server",
          "isRequired": true
        },
        {
          "name": "CLICKHOUSE_USER",
          "description": "Username for ClickHouse authentication",
          "isRequired": true
        },
        {
          "name": "CLICKHOUSE_PASSWORD",
          "description": "Password for ClickHouse authentication",
          "isRequired": true,
          "isSecret": true
        },
        {
          "name": "CLICKHOUSE_PORT",
          "description": "ClickHouse HTTP(S) port. Defaults to 8443 when CLICKHOUSE_SECURE=true, 8123 otherwise",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_SECURE",
          "description": "Use HTTPS to connect to ClickHouse",
          "format": "boolean",
          "default": "true",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_VERIFY",
          "description": "Verify SSL certificates",
          "format": "boolean",
          "default": "true",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_DATABASE",
          "description": "Default database to use",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_ROLE",
          "description": "ClickHouse role to activate for the session",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_ALLOW_WRITE_ACCESS",
          "description": "Allow write operations (DDL and DML). Queries run read-only by default",
          "format": "boolean",
          "default": "false",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_ALLOW_DROP",
          "description": "Allow destructive operations (DROP, TRUNCATE) when write access is also enabled",
          "format": "boolean",
          "default": "false",
          "isRequired": false
        },
        {
          "name": "CLICKHOUSE_MCP_QUERY_TIMEOUT",
          "description": "Query tool timeout in seconds",
          "format": "number",
          "default": "30",
          "isRequired": false
        }
      ]
    }
  ]
}