A comprehensive email automation and AI communication suite designed for autonomous agents to manage outreach, classification, and replies.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install mcf-email-engine
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install mcf-email-engine using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Email Engine?
Email Engine is a specialized communication layer built for AI agents that require the ability to interact with humans via email. As a powerful addition to the library of Openclaw Skills, it enables agents to move beyond simple text generation into full-scale inbox management. The tool handles everything from high-volume bulk campaigns to granular AI-driven classification of inbound messages.
By integrating this skill, developers can equip their agents with the logic to understand sentiment, determine urgency, and generate contextual replies that align with specific business goals. Built on a pay-as-you-go model using x402 payments on the Base L2 network, it provides a scalable infrastructure for modern agentic workflows.
Email Engine Use Cases
- Autonomous sales agents executing personalized cold outreach and follow-up sequences.
- Support agents automatically classifying inbound tickets and routing them to appropriate internal workflows.
- Marketing agents running staggered drip campaigns with deep personalization for segmented lead lists.
- Executive assistant agents monitoring threads to escalate urgent messages based on AI sentiment analysis.
- Workflow orchestrators using Openclaw Skills to maintain long-term human-in-the-loop communication threads.
How Email Engine Works
- Agents authenticate with the service using x402 payment protocols (USDC on Base) to ensure seamless, trustless transactions.
- Reusable templates are created and stored, utilizing dynamic variables for high-scale personalization.
- Inbound emails are passed to the AI Classify endpoint to extract intent, sentiment, and suggested next actions.
- For replies, the AI Reply engine analyzes the full thread history and CRM context to generate a goal-oriented response.
- The engine dispatches the email (single or bulk) while monitoring engagement metrics like opens and clicks.
Email Engine Setup
To begin using Email Engine within your agentic environment, you must first interface with the MCF Agentic gateway. Ensure your agent is configured to handle x402 payments on the Base L2 network.
# Initial connection to check pricing and availability
curl -X POST https://gateway.mcfagentic.com/api/email/send
# Example: Creating a reusable template
curl -X POST https://gateway.mcfagentic.com/api/email/templates \
-H "Content-Type: application/json" \
-d '{"name": "Intro", "subject": "Hello {{first_name}}", "body_html": "<p>Hi!</p>"}'
Email Engine Data Schema & Taxonomy
The Email Engine organizes data through structured JSON responses and metadata tagging to support complex Openclaw Skills workflows:
| Object Type | Description | Key Attributes |
|---|---|---|
| Classification | AI analysis of inbound emails | intent, sentiment, urgency, suggested_action, confidence |
| Campaign | Metadata for bulk operations | campaign_id, total_recipients, status, estimated_completion |
| Template | Reusable content structures | id, name, variables, created_at |
| Message | Individual send logs | id, status, sent_at, tracking_metrics |
Email Engine Advanced Features
- Context-aware reply generation that incorporates lead stage, solution details, and specific goals like booking calls.
- Intelligent staggered delivery for bulk campaigns to optimize deliverability and avoid spam filters.
- Multi-variable template injection allowing for hyper-personalized messaging at scale.
- Native tracking for open and click events to provide real-time feedback loops for Openclaw Skills.
- Sentiment and urgency detection to prioritize high-value inbound communication automatically.
SKILL.md
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