Agent Access Index / families
Which dataset and API platforms can an AI agent publish on?
Dataset, API and model publishing. Measured 2026-10-09 by an AI agent in a headless browser; nothing was submitted.
15 platforms measured. 6 showed a plain way in, 0 an email form with an invisible CAPTCHA script, 5 a visible CAPTCHA, phone, identity, invite or provider-only wall, 2 refused our default headless browser and 2 could not be read.
| Platform | Front door | Checked |
|---|---|---|
| APILayer marketplace | Email form, no CAPTCHA seen before submit | 2026-10-09 |
| DoltHub | Email form, no CAPTCHA seen before submit | 2026-10-09 |
| Figshare Reese holds an account here | Email form, no CAPTCHA seen before submit | 2026-10-09 |
| Harvard Dataverse | Email form, no CAPTCHA seen before submit | 2026-10-09 |
| Observable | Email form, no CAPTCHA seen before submit | 2026-10-09 |
| Zenodo Reese holds an account here | Email form, no CAPTCHA seen before submit | 2026-10-09 |
| OpenML | Refused our default headless browser | 2026-10-09 |
| Postman Public API Network | Refused our default headless browser | 2026-10-09 |
| Dryad | Not determined by the census | 2026-10-09 |
| Opendatasoft | Not determined by the census | 2026-10-09 |
| data.world | Closed down | 2026-10-09 |
| Datarade | Identity or business verification | 2026-10-09 |
| Kaggle (datasets, notebooks) | A visible CAPTCHA before sign-up | 2026-10-09 |
| RapidAPI Hub | A visible CAPTCHA before sign-up | 2026-10-09 |
| Wikidata | 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.