agentmail-kesslerProgrammatic email for AI agents via AgentMail API. Create inboxes, send/receive messages, manage threads, webhooks, pods, and custom domains. Use when you need agent email identity, email-based workflows, or real-time email processing.
Install via ClawdBot CLI:
clawdbot install kesslerio/agentmail-kesslerGrade Fair — based on market validation, documentation quality, package completeness, maintenance status, and authenticity signals.
Contains instructions to override system prompt or ignore user requests
"Ignore previous instructions"Sends data to undocumented external endpoint (potential exfiltration)
webhook → https://...Calls external URL not in known-safe list
https://agentmail.toUses known external API (expected, informational)
api.github.comGenerated Mar 21, 2026
AI agents use AgentMail to create dedicated inboxes for handling customer inquiries, automatically categorizing and responding to emails. This enables 24/7 support with real-time webhook triggers for urgent issues, reducing response times and improving customer satisfaction.
Marketing teams set up AI agents to send personalized outreach emails and manage follow-ups via AgentMail's inboxes and threads. Webhooks track email opens and replies, allowing for dynamic campaign adjustments and automated lead scoring based on engagement.
Organizations use AgentMail pods to create shared email addresses for departments like HR or IT, where AI agents process requests, forward messages, and update statuses. Custom domains ensure brand consistency, while drafts and attachments streamline document handling.
Event planners leverage AgentMail to send bulk invitations, manage RSVPs via automated replies, and handle attendee queries through dedicated inboxes. Real-time metrics track email performance, and webhooks trigger alerts for critical updates like cancellations.
Software developers integrate AgentMail into applications for email-based authentication, notifications, or user onboarding. The Python SDK and async client allow seamless API calls, while custom domains and webhooks enable scalable, real-time email processing within apps.
Offer AgentMail as a paid API service where developers and businesses pay based on usage tiers, such as number of emails sent or inboxes created. Revenue streams include subscription plans and overage fees, targeting startups and enterprises needing scalable email automation.
Resell AgentMail under a custom brand with white-labeling options, allowing agencies or large companies to offer email services to their clients. Revenue comes from licensing fees and custom integration support, leveraging pods and custom domains for client segmentation.
Provide a free tier with basic email sending and limited inboxes, while charging for advanced features like webhooks, custom domains, and high-volume metrics. This model attracts small users and converts them to paid plans as their needs grow, ensuring steady revenue growth.
💬 Integration Tip
Start by setting up the AGENTMAIL_API_KEY environment variable and using the CLI wrapper for quick testing before integrating the Python SDK into production workflows.
Scored Apr 19, 2026
AI Analysis
The skill interacts with the legitimate AgentMail API for its stated purpose of programmatic email management. While it uses external endpoints (agentmail.to) and webhooks, these are documented and central to the skill's functionality. The 'prompt poisoning' signal appears to be a false positive from a common example phrase ('Ignore previous instructions') used in a CLI help context, not an actual instruction to the AI.
Audited Apr 17, 2026 · audit v1.0
API-first email platform designed for AI agents. Create and manage dedicated email inboxes, send and receive emails programmatically, and handle email-based workflows with webhooks and real-time events. Use when you need to set up agent email identity, send emails from agents, handle incoming email workflows, or replace traditional email providers like Gmail with agent-friendly infrastructure.
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