simple postgres ui + mcp service layer. NPM: https://www.npmjs.com/package/gresui-web
View on GitHub ↗GRESUI — A fast, friendly PostgreSQL client in your browser
gresui is a web app for browsing PostgreSQL databases, built with Bun and React. Tbh there was ai coding in this, code was reviewed. I did this because I found that I had a necessity for a simpler and good looking postgres client without all the visual clutter pgadmin gives. feel free to do what you want with this. I decided to share this because it ended up being useful for me, hopefully also for you.
This starts a small local backend (it brings its own Bun runtime — nothing extra to install) and opens the app in your default browser. Everything runs locally on your machine; the backend is only reachable on 127.0.0.1. Requires Node.js 22+.
- Connection management with save/delete - Schema and table browser sidebar - Data grid with filtering, sorting, and pagination - SQL editor with syntax highlighting and history - EXPLAIN support - Full CRUD operations (insert, update, delete) - Dark and light themes - MCP server — exposes the connected database to AI clients (Claude Desktop, Cursor, …) with per-key tool scopes and table allowlists
- Node.js 22+ - Bun 1.3.x — for npm run dev (the published CLI bundles its own Bun runtime, so end users don't need it) - Docker (optional, for a local test database)
All config — connections, settings, SQL history — lives in a single SQLite database (gresui.db) in the config directory:
OS Location --------------------------------------------------------------- Linux $XDGCONFIGHOME/gresui or ~/.config/gresui macOS ~/Library/Application Support/gresui Windows %APPDATA%\gresui
From the project README.
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