Who is guestlist for?

guestlist is an open-source project built for developers building AI agents or crawlers.

Does guestlist have a free plan?

Yes — guestlist is open source under the Open Source license and free to use.

What platforms does guestlist run on?

guestlist runs on the web, the command line, and API.

Is guestlist still active?

Unverified. guestlist has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to guestlist?

Similar projects tracked by PulseGate include Understat xG Data Export, HEIC Converter, and Giltiq.

Is guestlist open source?

Yes — guestlist is open source under the Open Source license.

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guestlist

guestlist.toolsInfrastructure

guestlist is an open-source Python library and HTTP API that helps developers check if AI agents or bots can access specific websites. It provides tiered ratings based on anti-bot protections, enabling developers to avoid failed requests and optimize crawling strategies.

Open SourceWebCLIAPI

Visit guestlist.tools

Overview

6 features

In the API design, testing & docs space, guestlist takes a focused approach. It focuses on determining if AI agents or bots can access specific websites before crawling or automation. guestlist is an open-source project aimed at developers building AI agents or crawlers. The project is open source (Open Source). guestlist is available on the web, the command line, and API.

guestlist first shipped in 2024. Key capabilities include website access check, anti-bot detection, and tier ratings. It exposes integrations via a public API.

Summary written by a language model from the project’s public pages.

Website access check
Anti-bot detection
Tier ratings
Python library
HTTP API
Batch domain checking

Built with & integrations

Framework

Next.js

Hosting

Vercel

Connectors

API

Runs on

BrowserCLIAPI-only

Detected from

Next.js: x-nextjs-prerender header · /_next/static/ in the HTML · __next_f in the HTML
Vercel: x-vercel-id header · x-vercel-cache header

Trust & compliance

License

Open Source

Verified signals

HTTPSOpen SourceFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed29 Jun · 22:51 UTC
Show HN: Guestlist – know which sites will let your agent in verified against its public source
Source: PulseGate · Open

Frequently asked questions about guestlist

What is guestlist?: Guestlist focuses on determining if AI agents or bots can access specific websites before crawling or automation. It is catalogued under API design, testing & docs on PulseGate.
Who is guestlist for?: guestlist is an open-source project built for developers building AI agents or crawlers.
Does guestlist have a free plan?: Yes — guestlist is open source under the Open Source license and free to use.
What platforms does guestlist run on?: guestlist runs on the web, the command line, and API.
Is guestlist still active?: Unverified. guestlist has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to guestlist?: Similar projects tracked by PulseGate include Understat xG Data Export, HEIC Converter, and Giltiq.Understat xG Data Export HEIC Converter Giltiq
When did guestlist launch?: guestlist first shipped in 2024.
Is guestlist open source?: Yes — guestlist is open source under the Open Source license.

At a glance

Platforms: Cli · Web
Languages: English
License: Open Source
Built for: Developers building AI agents or crawlers
Model: Open source
Solves: Determining if AI agents or bots can access specific websites before crawling or automation.

Live coverage

Identity confidence: Medium · 72.8
Indexed: 29 Jun 2026
Lifecycle: Unverified
Last seen: 29 Jun 2026

Identity audit (12)

Slug: show-hn-guestlist-know-which-sites-will-let-your-agent-guestlist-tools
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 29 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 29 Jun 2026
Canonical URL: https://guestlist.tools/

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