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

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

How do I install Postgres Mcp or PostgreSQL (hardened, read Only) 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 Postgres Mcp and PostgreSQL (hardened, read Only) free or paid?

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

Which MCP server has more tools and community activity?

Postgres Mcp lists 15 tools with 3 views and 10 GitHub stars. PostgreSQL (hardened, read Only) lists 12 tools with 0 views and 0 GitHub stars.

Can I use both Postgres Mcp and PostgreSQL (hardened, read Only) 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 Postgres Mcp or PostgreSQL (hardened, read Only) 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 Postgres Mcp and PostgreSQL (hardened, read Only) free to use, or do they require API keys?

Postgres Mcp is listed under a Free / Open Source model with API Key required . PostgreSQL (hardened, read Only) operates under a Free / Open Source model with No auth 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 Postgres Mcp and PostgreSQL (hardened, read Only) at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both javimaligno-postgres-mcp and postgresql-hardened-read-only 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, Postgres Mcp has a Quality Score of 60 /100 ( Good ) with 3 views, 0 installs, and 10 GitHub stars. PostgreSQL (hardened, read Only) holds a Quality Score of 52 /100 ( Good ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Postgres Mcp vs PostgreSQL (hardened, read Only)

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

Postgres Mcp

Databases · Local stdio

Quality: 60/100 (Good) | Auth: API Key required

PostgreSQL (hardened, read Only)

Databases · Local stdio

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

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

Explore Postgres Mcp Details

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.

Feature & Specification Comparison

Specification	Postgres Mcp JaviMaligno Databases	P PostgreSQL (hardened, read Only) Databases
Summary	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.	Read-only PostgreSQL over MCP. Writes refused at the parsed SQL, plus a READ ONLY transaction.
Category & Scope	Databases

Tools & Capabilities Breakdown

Postgres Mcp Tools (15)

query

Execute read-only SQL queries against the database

execute

Execute write operations (INSERT/UPDATE/DELETE) when enabled

explain_query

Get EXPLAIN plan for query optimization

list_schemas

List all schemas in the database

list_tables

List tables in a specific schema

describe_table

Get table structure (columns, types, constraints)

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).

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"
      }
    }
  }
}

PostgreSQL (hardened, read Only) Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

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