omrilotan/isbot

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

1159 stars · 86 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

isbot is a lightweight TypeScript library that identifies bots, crawlers, and spiders by matching user agent strings against a maintained regular expression pattern. It ships as an npm package usable in Node.js, browsers, and edge runtimes, with helpers for extracting matched patterns.

Use cases

• detect bot traffic in express middleware
• check if a user agent is a crawler
• filter out spiders from analytics page views
• identify googlebot requests in node http server
• exclude bots from server-side rendering or prerendering
• parse user agent strings to detect automated clients

When to choose

• you need a tiny, dependency-free bot detection check in JavaScript or TypeScript
• you want a maintained, regularly updated user agent pattern list
• you need it to run in browser, Node, or edge environments

When to avoid

• you need full user agent parsing with browser, OS, and device details
• you need behavioral bot detection beyond static user agent matching
• you work outside the JavaScript ecosystem

Facets

library · maturity active

parser http-server middleware web-development analytics security developer-tools browser cross-platform user-agent bot-detection crawler-detection typescript npm-package nodejs web-server

Member repositories

For agents

markdown · JSON · MCP: product_card(name="omrilotan/isbot")