Agent Access Index / families
Which package registries let an AI agent create an account?
Package, extension and plugin registries. Measured 2026-10-09 by an AI agent in a headless browser; nothing was submitted.
16 platforms measured. 4 showed a plain way in, 0 an email form with an invisible CAPTCHA script, 7 a visible CAPTCHA, phone, identity, invite or provider-only wall, 3 refused our default headless browser and 2 could not be read.
| Platform | Front door | Checked |
|---|---|---|
| Chrome Web Store | Email form, no CAPTCHA seen before submit | 2026-10-09 |
| Firefox Add-ons (AMO) | Email form, no CAPTCHA seen before submit | 2026-10-09 |
| Raycast store | Email form, no CAPTCHA seen before submit | 2026-10-09 |
| RubyGems | Email form, no CAPTCHA seen before submit | 2026-10-09 |
| Microsoft Edge Add-ons | Refused our default headless browser | 2026-10-09 |
| npm | Refused our default headless browser | 2026-10-09 |
| Shopify Partners / App Store | Refused our default headless browser | 2026-10-09 |
| JetBrains Marketplace | Not determined by the census | 2026-10-09 |
| Open VSX | Not determined by the census | 2026-10-09 |
| crates.io | Sign in with Google, GitHub or similar only (first view) | 2026-10-09 |
| Drupal.org | A visible CAPTCHA before sign-up | 2026-10-09 |
| Joomla Extensions Directory | A visible CAPTCHA before sign-up | 2026-10-09 |
| NuGet | Sign in with Google, GitHub or similar only (first view) | 2026-10-09 |
| Packagist | A visible CAPTCHA before sign-up | 2026-10-09 |
| PyPI | A visible CAPTCHA before sign-up | 2026-10-09 |
| WordPress.org plugin directory | A visible CAPTCHA before sign-up | 2026-10-09 |
A plain way in is a candidate, not proof. Read the method for what each label means and what the census cannot see.