Validates email addresses by checking syntax, MX record existence, disposable domain detection, and overall deliverability. Returns a quality score from 0 to 100 along with individual validation signal breakdowns. Useful for list hygiene and signup validation workflows. Uses x402 USDC micropayments on Base.
Cognium trust score
87%
Tier
Verified
Composite of vulnerability cleanliness, spec conformance, provenance, stability, and usage signals — scanned and weighted by Cognium. Human and agent signals are tracked separately.
Last scanned 2026-09-19.
Returns 7 tools: search_skills, get_skill, list_leaderboard, get_trust_breakdown, resolve_composition, plus the ChatGPT-connector search and fetch. Every tool is annotated read-only.
Resolve this skill directly via MCP tools/call get_skill.