Read-only PostgreSQL over MCP. Writes refused at the parsed SQL, plus a READ ONLY transaction.
Install
Run one of the commands below, then add the client config underneath.
npx -y postgres-mcp-hardeneddocker run -i --rm ghcr.io/eszetael/postgres-mcp-hardened:0.1.10Client configuration
Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.
{
"mcpServers": {
"postgres-mcp-hardened": {
"command": "npx",
"args": [
"-y",
"postgres-mcp-hardened"
]
}
}
}About this server
PostgreSQL (hardened, read-only) is listed in the Databases category of the MCPNav directory. It is distributed as npm, Docker and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Frequently asked questions
What is the PostgreSQL (hardened, read-only) MCP server?＋
PostgreSQL (hardened, read-only) is an MCP server by Eszetael. Read-only PostgreSQL over MCP. Writes refused at the parsed SQL, plus a READ ONLY transaction.
How do I install PostgreSQL (hardened, read-only)?＋
Install it with: npx -y postgres-mcp-hardened. Then add the JSON config to your client's MCP settings and restart the client.
Is PostgreSQL (hardened, read-only) free to use?＋
The MCP server itself is free to install. The source is public on https://github.com/Eszetael/postgres-mcp-hardened. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Which clients support PostgreSQL (hardened, read-only)?＋
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.