PostgreSQL (hardened, read-only) MCP Server: Tools, Setup for Claude Code, Cursor & More
Not the official PostgreSQL MCP server. This one is built by the community. PostgreSQL makes its own: MCP Toolbox for Databases →
Read-only PostgreSQL over MCP. Writes refused at the parsed SQL, plus a READ ONLY transaction.
Works in
12 should work
Tap an app to see how to set it up and any known problems.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Supports local MCP servers.
Client does not support this transport.
Client does not support this transport.
Install PostgreSQL (hardened, read-only) MCP
Claude Code
- 1
Copy this prompt.
Add the PostgreSQL (hardened, read-only) MCP server to Claude Code. Run this command: claude mcp add postgres-hardened -e DATABASE_URL=<DATABASE_URL> -- npx -y postgres-mcp-hardened Ask me for DATABASE_URL and only put the values in that config, nowhere else. Then check that it loaded and tell me if I need to sign in or restart.
- 2
Paste it into Claude Code. It shows the change and asks before running it.
Requires Node.js.
Built from the package data we hold. Not yet tested by us.
Tools
We don't list PostgreSQL (hardened, read-only) MCP's tools here yet. After you connect it, ask your assistant "What can you do with PostgreSQL (hardened, read-only) MCP?" to see them.
Security advisories
none published
No published security advisories as of Nov 1, 2026.
Information
updated Nov 2, 2026
- Publisher
- Community
- Package
postgres-mcp-hardened- Registry
- npm
- Transport
- stdio, Streamable HTTP
- Version
- 0.1.10
- License
- MIT
- Last commit
- Oct 25, 2026
- Open issues
- 0
- Listed in
- Official MCP registry
