InstantDB MCP vs PGMCP - PostgreSQL Model Context Protocol Server

A side-by-side comparison of two Databases servers — tools, transport, auth, maintenance, and copy-paste config for each.

	InstantDB MCP Create, manage, and query your InstantDB apps, schemas, permissions, and data from your AI editor. Unverified HTTP (remote) OAuth TypeScript	PGMCP - PostgreSQL Model Context Protocol Server Query any PostgreSQL database in natural language via MCP, with safe read-only SQL and streaming. Unverified HTTP (remote) API key Go
Category	Databases	Databases
Language	TypeScript	Go
Transport	HTTP (remote)	HTTP (remote)
Auth	OAuth	API key
GitHub stars	10k	536
Last commit	1 month ago	2 months ago
Verified
Actively maintained
Install	`npx -y @instantdb/mcp --token <token>`	`brew tap subnetmarco/homebrew-tap && brew install pgmcp`
Repo	Open	Open

Verdict

Pick InstantDB MCP if you prefer the more popular, battle-tested option, and you need the broadest set of tools.

Pick PGMCP - PostgreSQL Model Context Protocol Server if you prefer its approach (query any postgresql database in natural language via mcp, with safe read-only sql and streaming).

Add InstantDB MCP

Install / run

npx -y @instantdb/mcp --token <token>

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "instantdb-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.instantdb.com/mcp"
      ]
    }
  }
}

Claude Desktop connects to remote servers through the `mcp-remote` proxy (installed on first run via npx). Restart Claude Desktop after saving.

Add PGMCP - PostgreSQL Model Context Protocol Server

Install / run

brew tap subnetmarco/homebrew-tap && brew install pgmcp

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "pgmcp---postgresql-model-context-protocol-server": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "http://localhost:8080/mcp"
      ]
    }
  }
}

Claude Desktop connects to remote servers through the `mcp-remote` proxy (installed on first run via npx). Restart Claude Desktop after saving.

FAQ

InstantDB MCP or PGMCP - PostgreSQL Model Context Protocol Server — which is better?

Pick InstantDB MCP if you prefer the more popular, battle-tested option, and you need the broadest set of tools. Pick PGMCP - PostgreSQL Model Context Protocol Server if you prefer its approach (query any postgresql database in natural language via mcp, with safe read-only sql and streaming).

Can I use both InstantDB MCP and PGMCP - PostgreSQL Model Context Protocol Server?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do InstantDB MCP and PGMCP - PostgreSQL Model Context Protocol Server work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View InstantDB MCP →View PGMCP - PostgreSQL Model Context Protocol Server →More comparisons →