Resend (Klavis)

MCP Tools and AgentsFreeOpen Source

Send email using Resend services via MCP.

🛡️ AgentReady threat assessment

MAESTRO 7-layer threat model + OWASP AIVSS risk score for Resend (Klavis), derived from its capabilities.

AIVSS 8.4 · High

These scores are auto-generated from public information (the agent's own listing, docs, and repository) using the canonical OWASP AIVSS formula and the MAESTRO framework — an estimate for guidance, not a penetration test, audit, or certification. See the scoring methodology. Are you the vendor? Factual corrections are free.

Overview

Klavis AI's MCP server sends email through Resend. Backed by a Resend API key; like other email servers, it can reach real inboxes and is a spam/phishing surface if left broadly scoped.

Key features

Send email via Resend
API-key auth
Simple send interface

Use cases

Send notifications
Automate outbound email