The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Email Deliverability Audit API
Audit email domain deliverability: SPF, DKIM, DMARC, MX. Score 0-100. x402.
Install
One-click install
Remote serverClaude Code (no install link, copy and run)
$
claude mcp add --transport sse email-deliverability-audit-api https://email-deliverability.api.klymax402.com/mcpButtons open the app on your computer and ask you to confirm before anything is added.
$
claude mcp add --transport sse email-deliverability-audit-api https://email-deliverability.api.klymax402.com/mcpmcp.json (Cursor, Claude Desktop, Windsurf)
{
"mcpServers": {
"email-deliverability-audit-api": {
"url": "https://email-deliverability.api.klymax402.com/mcp"
}
}
}Install command taken from the project's README or registry entry. Always review code before running it.
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