What is the key difference between ClickHouse and Postgres MCP?

ClickHouse belongs to the Databases category with local stdio execution, while Postgres MCP belongs to the Databases category with local stdio execution.

How do I install ClickHouse or Postgres MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are ClickHouse and Postgres MCP free or paid?

ClickHouse operates under a Free / Open Source model (other). Postgres MCP operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

ClickHouse lists 8 tools with 3 views and 0 GitHub stars. Postgres MCP lists 15 tools with 3 views and 10 GitHub stars.

Can I use both ClickHouse and Postgres MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

ClickHouse vs Postgres MCP

In-depth architectural comparison of the ClickHouse and Postgres MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

ClickHouse

Databases · Local stdio

Quality: 53/100 (Good) | Auth: other

Postgres MCP

Databases · Local stdio

Quality: 64/100 (Good) | Auth: API Key required

Verdict Summary: Choose ClickHouse if you need specialized Databases tools running via a local process. Choose Postgres MCP if your workspace requires Databases integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose ClickHouse when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Free / Open Source).
You have access to required keys: MCP_CLICKHOUSE_DSN.
Primary tools included: list_profiles, get_cluster_properties, run_query.

Explore ClickHouse Details

Choose Postgres MCP when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: POSTGRES_HOST, POSTGRES_PORT, POSTGRES_USER, POSTGRES_PASSWORD, POSTGRES_DB, POSTGRES_SSLMODE, ALLOW_WRITE_OPERATIONS, QUERY_TIMEOUT.
Primary tools included: query, execute, explain_query.

Feature & Specification Comparison

Specification	ClickHouse Databases	Postgres MCP JaviMaligno Databases
Summary	Read-only MCP server for ClickHouse metadata, parameterized queries, and plan analysis.	PostgreSQL MCP server with 14 tools for querying, schema exploration, and table analysis. Features security-first design with SQL injection prevention and read-only by default.
Category & Scope	Databases

Tools & Capabilities Breakdown

ClickHouse Tools (8)

list_profiles

List configured profiles. Each entry includes name and optional description.

get_cluster_properties

Get cluster properties and execution limits. Returns ClickHouse server version plus enforced limits (max rows, timeouts) for the profile.

run_query

Execute read-only SELECT or WITH … SELECT. One statement; DML, DDL, SET, SYSTEM, and similar are rejected. Returns `{data, row_count}` where `data` is an RFC 4180 CSV string. Pass `snapshot=true` to persist the result to disk and receive `{snapshot_uri, row_count}` instead; fetch the CSV via the sn…

run_show

Execute SHOW introspection statement. One statement per call; INTO OUTFILE rejected. Interactive row limits apply (default 500, hard ceiling 1 000). Same timeout as run_query.

analyze_query

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

ClickHouse Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "clickhouse": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/inspector"
      ],
      "env": {
        "MCP_CLICKHOUSE_DSN": "YOUR_MCP_CLICKHOUSE_DSN_HERE"
      }
    }
  }
}

Postgres MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "javimaligno-postgres-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "npx"
      ],
      "env": {
        "POSTGRES_HOST": "YOUR_POSTGRES_HOST_HERE",
        "POSTGRES_PORT": "YOUR_POSTGRES_PORT_HERE",
        "POSTGRES_USER": "YOUR_POSTGRES_USER_HERE",
        "POSTGRES_PASSWORD": "YOUR_POSTGRES_PASSWORD_HERE",
        "POSTGRES_DB": "YOUR_POSTGRES_DB_HERE",
        "POSTGRES_SSLMODE": "YOUR_POSTGRES_SSLMODE_HERE",
        "ALLOW_WRITE_OPERATIONS": "YOUR_ALLOW_WRITE_OPERATIONS_HERE",
        "QUERY_TIMEOUT": "YOUR_QUERY_TIMEOUT_HERE"
      }
    }
  }
}

Frequently Asked Questions

ClickHouse is categorized under Databases and uses a local stdio subprocess. In contrast, Postgres MCP belongs to Databases using local stdio subprocess. Select ClickHouse when you need capabilities focused on databases and Postgres MCP when you require tools for databases.

More alternatives to ClickHouse More alternatives to Postgres MCP Databases category hub