# Tony Xu Tony Xu's personal site publishes essays, notes, and project updates. Canonical site: https://tonyxu.io/ RSS feed: https://tonyxu.io/rss.xml Sitemap: https://tonyxu.io/sitemap-index.xml Agent skills index: https://tonyxu.io/.well-known/agent-skills/index.json ## Agent access - HTML remains the default for browsers. - Public content may be used for search and interactive agent input. - Model training preference is declared in robots.txt with `Content-Signal: ai-train=no`. ## Useful entry points - Writing: https://tonyxu.io/blog/ - Tools: https://tonyxu.io/tools/ - About: https://tonyxu.io/about/ - Now: https://tonyxu.io/now/ - Gallery: https://tonyxu.io/gallery/