What is the key difference between Postgres MCP and Locksmith?

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

How do I install Postgres MCP or Locksmith 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 Locksmith free or paid?

Postgres MCP operates under a Free / Open Source model (No auth required). Locksmith operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Postgres MCP lists 0 tools with 0 views and 5 GitHub stars. Locksmith lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Postgres MCP and Locksmith 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

Postgres MCP vs Locksmith

In-depth architectural comparison of the Postgres MCP and Locksmith 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: 37/100 (Fair) | Auth: No auth required

Locksmith

Databases · Local stdio

Quality: 40/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Postgres MCP if you need specialized Databases tools running via a local process. Choose Locksmith 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: No auth required (Free / Open Source).

Explore Postgres MCP Details

Choose Locksmith 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).

Explore Locksmith Details

Feature & Specification Comparison

Specification	Postgres MCP Databases	Locksmith Databases
Summary	PostgreSQL MCP wrapper with .env credential mapping, tool selection, and safe read-only defaults.	Lints PostgreSQL migrations for dangerous locking operations and suggests safe rewrites.
Category & Scope	Databases	Databases
Quality signal

Tools & Capabilities Breakdown

Postgres MCP Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Locksmith Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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": {
    "postgres-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@edelciomolina/postgres-mcp"
      ]
    }
  }
}

Locksmith Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "locksmith": {
      "command": "npx",
      "args": [
        "-y",
        "locksmith-mcp"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to Postgres MCP More alternatives to Locksmith Databases category hub Canonical compare URL