A streamlined email dispatch skill that enables AI agents to send plain-text notifications using local msmtp configurations.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install msmtp-send
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 msmtp-send 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 msmtp-send?
The msmtp-send skill is a high-performance, send-only utility designed for developers using Openclaw Skills. It allows an AI agent to communicate via plain-text email by leveraging the system's local msmtp installation. This approach ensures that the agent can send alerts and notifications without ever having access to your inbox, providing a secure bridge between your AI workflows and your email communication channels. By utilizing existing system configurations, it maintains a small footprint while offering robust delivery capabilities.
msmtp-send Use Cases
- Dispatching automated status reports from long-running Openclaw Skills tasks.
- Sending quick developer alerts when a specific coding milestone is reached.
- Integrating real-time notifications into automated multi-agent workflows.
- Testing SMTP connectivity and local mail configurations through an AI interface.
How msmtp-send Works
- The AI agent identifies a requirement to send a plain-text notification and invokes the msmtp-send command.
- The skill directs the execution to the local exec tool, which targets a pre-defined send.sh script.
- The script accesses the local user's msmtp configuration (typically located at ~/.msmtprc) to handle authentication.
- The message is transmitted via the specified SMTP server without the agent requiring read access to the account.
- This Openclaw Skills workflow concludes with a success or failure status returned to the agent.
msmtp-send Setup
To enable this skill, you must have the msmtp binary installed and configured on your local machine. Openclaw Skills relies on your existing authentication to maintain security.
# Install the msmtp binary
sudo apt-get update && sudo apt-get install msmtp
# Configure your credentials in ~/.msmtprc
# Example: Gmail App Password setup
# Ensure permissions are secure: chmod 600 ~/.msmtprc
# Make the send script executable
chmod +x ./send.sh
msmtp-send Data Schema & Taxonomy
The msmtp-send skill uses a transparent data structure to manage outgoing messages within the Openclaw Skills framework:
| Property | Description |
|---|---|
| Recipient | The target email address for the outgoing message. |
| Message Body | The plain-text content to be sent by the agent. |
| Local Config | Uses ~/.msmtprc for SMTP host, port, and credentials. |
| Tool Dispatch | Communicates via the 'exec' tool for shell integration. |
msmtp-send Advanced Features
- Outbound-only security: Explicitly designed to prevent AI agents from reading or fetching emails.
- Zero-credential storage: Inherits security from your system-level ~/.msmtprc file rather than storing keys in the skill.
- Seamless automation: Easily chains with other Openclaw Skills to create sophisticated notification pipelines.
- Lightweight footprint: No heavy SDKs required, relying entirely on native system binaries for efficiency.
SKILL.md
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