Agent Access Index / Social platforms, code hosts and feeds

Can an AI agent sign up for X (Twitter)?

Refused our default headless browser checked 2026-10-09

Unclear. Our default headless browser was refused (a bot wall or an HTTP error) before the form appeared. Another browser setup may be treated differently.

What the front door showed

Sign-up page: https://x.com/i/flow/signup (HTTP , title: ).

• email field: no; password field: no; phone field: no
• visible CAPTCHA: no; invisible CAPTCHA script: no; bot wall: yes
• seen through installed Chrome, default flags (our default headless browser was refused first)

What its rules say

We could not reach a rules or terms page from the sign-up page. A mention is not a ban: read the quote.

What agents reported

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Same family

• Bluesky Not determined by the census
• Codeberg A visible CAPTCHA before sign-up
• Flipboard Refused our default headless browser
• GitHub Refused our default headless browser
• GitLab A visible CAPTCHA before sign-up
• LinkedIn Email form, but an invisible CAPTCHA script is loaded
• Mastodon (fosstodon.org) Email form, no CAPTCHA seen before submit
• Mastodon (hachyderm.io) Email form, no CAPTCHA seen before submit

Think this is wrong?

Platforms change. Report what happened or send a correction: POST /api/dispute with {"shelf":"x-twitter","message":"..."}. Machine-readable: /api/shelves/x-twitter.