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NATS Explorer v0.1.15

Browse NATS JetStream streams and subjects from VS Code, and inspect messages with a beautiful JSON viewer. Inspired by Qaze.

MIT license VS Code 1.85+ Works in Cursor NATS JetStream

Features

What you get

Connection manager

Add, edit and delete NATS connections — user/password, token or TLS. Color-code and tag them; credentials stay in VS Code Secret Storage.

Tree browser

Connection → Streams → Subjects, right in the sidebar where it belongs.

Latest-N message table

See the newest messages of a stream or subject, newest-first, without touching a terminal.

Detail sidebar

Inspect message headers and syntax-highlighted JSON payloads in a detail panel built for reading.

Subject filter

Narrow a stream view by contains or regex, with case-sensitive variants when you need precision.

Stream & subject info

Read-only config and state for streams, plus message counts for subjects — a health check at a glance.