tabnyth

Local-first database studio for MongoDB and Postgres. Point it at your database and get a localhost web UI to browse collections/tables, search real data, run guarded queries, edit cells, and visualize relationships — all from your terminal. Writes are disabled by default.

🌐 Website: tabnyth.cloud · 📚 Docs: tabnyth.cloud/docs

npm i -D tabnyth @tabnyth/mongodb
npx tabnyth --url "mongodb://localhost:27017/mydb"

Why Tabnyth

• 🔒 Read-only by default — writes stay off until you explicitly opt in.
• ⚡ Zero config — no accounts, no cloud. One command spins up a local studio at 127.0.0.1.
• 🔎 Browse & search — page through collections and tables and search across your real data.
• 🧮 Guarded queries — run Mongo and SQL queries with built-in safety limits.
• ✏️ Inline edits — edit cells directly once you switch to edit mode.
• 🕸️ Visualize relationships — see how your data connects.
• 🤖 Nyth AI — ask questions about your data (requires a license key).

Install

Install Tabnyth with one database adapter:

# MongoDB
npm i -D tabnyth @tabnyth/mongodb
npx tabnyth --url "mongodb://localhost:27017/mydb"

# Postgres
npm i -D tabnyth @tabnyth/postgres
npx tabnyth --url "postgresql://user:pass@localhost:5432/mydb"

To read the database URL from a custom env file, add a script:

{
  "scripts": {
    "tabnyth": "npx tabnyth .env.dev DATABASE_URL"
  }
}

Choosing a mode

Running npx tabnyth (or npm run tabnyth) opens a startup prompt:

Select Tabnyth startup mode:
> View mode only - this will allow you to see data in your database
  Edit mode - this will allow you to make edits

Use the arrow keys to pick a mode and press Enter. The highlighted choice is shown in green.

• Pass --mode view or --mode edit to skip the prompt in scripts.
• Writes are disabled by default. Pass --allow-write only when you intentionally want write operations enabled.

License setup

Unlock the full potential of Tabnyth (including Nyth AI) with a license key. Generate one at tabnyth.cloud/docs/generate-license-key.

Run setup and paste your key when prompted — Tabnyth saves it to your project .env automatically:

npx tabnyth setup

Paste your Tabnyth license key here: tnk_your_license_key
Added TABNYTH_KEY to .env.

This writes the key to .env:

# Paste your Tabnyth license key here or get it generated from https://tabnyth.cloud/docs/generate-license-key
TABNYTH_KEY=tnk_your_license_key

You can also set TABNYTH_KEY directly as an environment variable. During local development, point the package at your backend with:

TABNYTH_API_URL=http://localhost:8080 npx tabnyth --url "postgresql://user:pass@localhost:5432/mydb"

Links

• Website — tabnyth.cloud
• Documentation — tabnyth.cloud/docs
• Generate a license key — tabnyth.cloud/docs/generate-license-key