What is the key difference between PostgreSQL (hardened, read Only) and Greptimedb Mcp Server?

PostgreSQL (hardened, read Only) belongs to the Databases category with local stdio execution, while Greptimedb Mcp Server belongs to the Databases category with local stdio execution.

How do I install PostgreSQL (hardened, read Only) or Greptimedb Mcp Server 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.

Which MCP server has more tools and community activity?

PostgreSQL (hardened, read Only) lists 12 tools with 0 views and 0 GitHub stars. Greptimedb Mcp Server lists 6 tools with 3 views and 29 GitHub stars.

Can I use both PostgreSQL (hardened, read Only) and Greptimedb Mcp Server 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.

How do I install PostgreSQL (hardened, read Only) or Greptimedb Mcp Server in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are PostgreSQL (hardened, read Only) and Greptimedb Mcp Server free to use, or do they require API keys?

PostgreSQL (hardened, read Only) is listed under a Free / Open Source model with No auth required . Greptimedb Mcp Server operates under a Free / Open Source model with API Key required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both PostgreSQL (hardened, read Only) and Greptimedb Mcp Server at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both postgresql-hardened-read-only and greptimeteam-greptimedb-mcp-server as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, PostgreSQL (hardened, read Only) has a Quality Score of 52 /100 ( Good ) with 0 views, 0 installs, and 0 GitHub stars. Greptimedb Mcp Server holds a Quality Score of 55 /100 ( Good ) with 3 views, 0 installs, and 29 GitHub stars.

Side-by-Side Model Context Protocol Comparison

PostgreSQL (hardened, read Only) vs Greptimedb Mcp Server

Q: Are PostgreSQL (hardened, read Only) and Greptimedb Mcp Server free or paid?

PostgreSQL (hardened, read Only) operates under a Free / Open Source model (No auth required). Greptimedb Mcp Server operates under a Free / Open Source model (API Key required).

In-depth architectural comparison of the PostgreSQL (hardened, read Only) and Greptimedb Mcp Server 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

PostgreSQL (hardened, read Only)

Databases · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Greptimedb Mcp Server

Databases · Local stdio

Quality: 55/100 (Good) | Auth: API Key required

Verdict Summary: Choose PostgreSQL (hardened, read Only) if you need specialized Databases tools running via a local process. Choose Greptimedb Mcp Server 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 PostgreSQL (hardened, read Only) when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: explain_query, analyze, database_health.

Explore PostgreSQL (hardened, read Only) Details

Choose Greptimedb Mcp Server 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: GREPTIMEDB_HOST, GREPTIMEDB_PORT, GREPTIMEDB_USER, GREPTIMEDB_PASSWORD, GREPTIMEDB_DATABASE, GREPTIMEDB_TIMEZONE, GREPTIMEDB_HTTP_PORT, GREPTIMEDB_MASK_ENABLED.
Primary tools included: execute_sql, execute_tql, query_range.

Feature & Specification Comparison

Specification	P PostgreSQL (hardened, read Only) Databases	Greptimedb Mcp Server GreptimeTeam Databases
Summary	Read-only PostgreSQL over MCP. Writes refused at the parsed SQL, plus a READ ONLY transaction.	A Model Context Protocol (MCP) server for GreptimeDB
Category & Scope	Databases	Databases

Tools & Capabilities Breakdown

PostgreSQL (hardened, read Only) Tools (12)

explain_query

analyze

database_health

analyze_indexes

top_queries

pg_stat_statements

security_posture

query

LIMIT

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).

PostgreSQL (hardened, read Only) Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "postgresql-hardened-read-only": {
      "command": "npx",
      "args": [
        "-y",
        "ENOENT"
      ]
    }
  }
}

Greptimedb Mcp Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "greptimeteam-greptimedb-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/inspector"
      ],
      "env": {
        "GREPTIMEDB_HOST": "YOUR_GREPTIMEDB_HOST_HERE",
        "GREPTIMEDB_PORT": "YOUR_GREPTIMEDB_PORT_HERE",
        "GREPTIMEDB_USER": "YOUR_GREPTIMEDB_USER_HERE",
        "GREPTIMEDB_PASSWORD": "YOUR_GREPTIMEDB_PASSWORD_HERE",
        "GREPTIMEDB_DATABASE": "YOUR_GREPTIMEDB_DATABASE_HERE",
        "GREPTIMEDB_TIMEZONE": "YOUR_GREPTIMEDB_TIMEZONE_HERE",
        "GREPTIMEDB_HTTP_PORT": "YOUR_GREPTIMEDB_HTTP_PORT_HERE",
        "GREPTIMEDB_MASK_ENABLED": "YOUR_GREPTIMEDB_MASK_ENABLED_HERE"
      }
    }
  }
}

Frequently Asked Questions

PostgreSQL (hardened, read Only) is categorized under Databases and uses a local stdio subprocess. In contrast, Greptimedb Mcp Server belongs to Databases using local stdio subprocess. Select PostgreSQL (hardened, read Only) when you need capabilities focused on databases and Greptimedb Mcp Server when you require tools for databases.

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