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“Use “check_endpoint”: Preflight an unfamiliar public URL or API before an AI agent relies on it. It performs one live fetch and returns a PASS/WARN/FAIL verdict w.”

“Use “preflight_endpoint”: Run reachability/response and security-header checks together for an unfamiliar URL or API before an AI agent trusts or acts on it. Returns.”

“Use “estimate_market”: Search npm or PyPI to estimate how crowded a package category is before you claim that a market is empty, niche, or competitive. Use this wh.”

“Use “check_pricing”: Fetch a public pricing page and extract first-pass pricing signals before you quote plan costs, free tiers, or plan names. Use this when you.”

check_endpoint — Preflight an unfamiliar public URL or API before an AI agent relies on it. It performs one live fetch and returns a PASS/WARN/FAIL verdict w

preflight_endpoint — Run reachability/response and security-header checks together for an unfamiliar URL or API before an AI agent trusts or acts on it. Returns

estimate_market — Search npm or PyPI to estimate how crowded a package category is before you claim that a market is empty, niche, or competitive. Use this wh

check_pricing — Fetch a public pricing page and extract first-pass pricing signals before you quote plan costs, free tiers, or plan names. Use this when you

inspect_security_headers — Inspect security-related HTTP response headers for an unfamiliar public URL before an agent trusts or recommends it. It identifies missing o

preview_monitor — Capture a free live baseline for a source that should remain trustworthy over time. Call this before recommending checkout: it proves what w

list_resources — List all available Ground Truth tools and their access tiers. Zero-cost schema discovery. Call this to explore what verification tools are a

compare_pricing_pages — Compare two to five public pricing pages side by side before you make competitive pricing or packaging claims. Use this when you want a quic