Emailens analyzes HTML email templates for compatibility across 15 major email clients. It provides preview rendering, compatibility auditing, automatic fixing of known issues, diffing between template versions, and deliverability checks. Available as both a hosted API endpoint and a local stdio server via npm.
Cognium trust score
90%
Tier
Scanned
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 2026-09-28.
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.