A high-performance transactional email skill for delivering programmatic alerts, reports, and notifications with deterministic reliability.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install truncus-email
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 truncus-email 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 Truncus Email?
Truncus Email is a robust Openclaw Skills integration designed for AI agents that need to deliver transactional emails such as system alerts, receipts, and reports. It leverages EU-native infrastructure (AWS SES eu-west-1) to ensure high-speed, compliant delivery while enforcing strict idempotency and providing full event tracing for every message sent.
Built for developers who prioritize reliability, this skill includes advanced features like sandbox testing, multi-tenant isolation, and scheduled delivery. It allows AI agents to communicate with users through a verified, programmatic channel, bridging the gap between automated workflows and human-readable notifications.
Truncus Email Use Cases
- Sending automated system alerts and monitoring notifications.
- Delivering generated PDF reports and receipts to customers.
- Managing onboarding sequences and password reset workflows.
- Scheduling future email deliveries for time-sensitive reminders.
- Tracking email engagement through open and click monitoring.
How Truncus Email Works
- The AI agent initiates a request containing the recipient, sender, subject, and body content.
- A unique Idempotency-Key is generated to prevent accidental duplicate sends.
- The skill authenticates via Bearer token using the TRUNCUS_API_KEY.
- Truncus processes the request, validating the verified domain and recipient status.
- The email is dispatched through EU-based AWS SES infrastructure or scheduled for later.
- The API returns a message ID and event timeline for full delivery transparency.
Truncus Email Setup
To get started with this Openclaw Skills component, set your API key in your environment:
export TRUNCUS_API_KEY=tr_live_your_64_character_hex_key
You can also enable sandbox mode for testing by passing the X-Truncus-Sandbox: true header in your requests.
Truncus Email Data Schema & Taxonomy
The skill utilizes a structured JSON payload for email requests and returns detailed status objects.
| Object | Key Components |
|---|---|
| Email Request | to, from, subject, html/react/template_id |
| Optional Params | cc, bcc, variables, metadata, attachments, send_at |
| Response | status, message_id, provider_message_id, warnings |
| Events | id, type (queued, sent, delivered), created_at |
Attachments support up to 10 files (max 10MB total) using base64 encoding.
Truncus Email Advanced Features
- Strict Idempotency: Mandatory keys prevent duplicate emails even during network retries.
- Full Event Tracing: Access a complete timeline of delivery events for every message.
- Sandbox Mode: Test integrations safely without sending real emails via the X-Truncus-Sandbox header.
- Scheduled Sending: Support for ISO 8601 timestamps to defer delivery to a future date.
- Rate Limit Management: Built-in handling for burst limits and monthly quotas with retry logic.
SKILL.md
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