nufer

Nostr Upstream Filter

A simple Nostr relay proxy for filter out spam notes.

Features

• Written in Deno, can be deployed on Deno Deploy
• No database need
• Custom relay forward

Usage

Configure your environments:

# listen port, defaults 9000
PORT=

# keywords split by space
KEYWORDS='some spam key words'

# default relay hostname, defaults relay.damus.io
UPSTREAM=

Then start your service:

deno task start

Add your service to your relay list.

# use default relay
wss://your-host

# custom relay
wss://your-host/other-relay
wss://your-host/nos.lol