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“Use “url_to_markdown”: Fetch a URL and return its main text content as clean, readable plain text/markdown-ish output. Strips scripts, styles, and HTML tags.”

“Use “security_headers_audit”: Fetch a URL and audit its response for security-relevant HTTP headers (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy,.”

“Use “redirect_chain_check”: Follow a URL through every HTTP redirect hop and report the full chain, final destination, and issues like redirect loops, too many hops, or.”

“Use “page_performance_check”: Fetch a URL and measure time-to-first-byte, total fetch time, and response size. Flags missing compression, missing Cache-Control, oversized.”

url_to_markdown — Fetch a URL and return its main text content as clean, readable plain text/markdown-ish output. Strips scripts, styles, and HTML tags.

security_headers_audit — Fetch a URL and audit its response for security-relevant HTTP headers (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy,

redirect_chain_check — Follow a URL through every HTTP redirect hop and report the full chain, final destination, and issues like redirect loops, too many hops, or

page_performance_check — Fetch a URL and measure time-to-first-byte, total fetch time, and response size. Flags missing compression, missing Cache-Control, oversized

cors_policy_check — Send a probe request with a foreign Origin header to a URL and report its CORS response headers. Flags wildcard-origin + credentials combina

structured_data_extract — Fetch a URL and extract structured data deterministically: JSON-LD blocks, OpenGraph/meta tags, and optional caller-supplied CSS-selector fi

tech_stack_fingerprint — Fetch a URL and fingerprint its likely tech stack from response headers (server, x-powered-by, x-generator) and HTML markers (generator meta

ai_crawler_policy_check — Check a site's robots.txt for explicit directives targeting known AI crawlers (GPTBot, ClaudeBot, CCBot, PerplexityBot, Google-Extended, Byt