User-agent: *
Allow: /

# Opt-out of the AI training crawlers that respect robots.txt.
User-agent: GPTBot
Disallow: /
User-agent: CCBot
Disallow: /
User-agent: ClaudeBot
Disallow: /
User-agent: Google-Extended
Disallow: /
User-agent: anthropic-ai
Disallow: /

# Assistants fetching a page because a person asked about Echovalidum are
# welcome. /llms.txt lists every page, and each recorded run has a Markdown
# copy at the same path ending in .md.
User-agent: ChatGPT-User
User-agent: Claude-User
User-agent: Perplexity-User
User-agent: MistralAI-User
Allow: /

Sitemap: https://www.echovalidum.com/sitemap.xml