An automated email validation and correction tool that integrates with Openclaw Skills to ensure data accuracy and deliverability.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install mailcheck-integration
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 mailcheck-integration 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 Mailcheck?
Mailcheck is a highly effective utility designed to suggest corrections for misspelled email addresses, typically used during registration and checkout processes to prevent user error. By utilizing this integration within the Openclaw Skills ecosystem, developers can programmatically manage email data analysis and validation workflows. The skill eliminates the friction of manual API management by leveraging Membrane to handle authentication, credential refreshing, and secure connections.
This integration provides a robust framework for product teams and developers to enhance their email deliverability. Instead of writing custom logic for every domain typo, the Mailcheck skill offers a standardized way to query, analyze, and correct email records through a unified interface. It is an essential component for any automated pipeline that prioritizes data integrity and user experience.
Mailcheck Use Cases
- Identifying and suggesting corrections for common email domain typos in real-time.
- Automating the cleanup of existing email databases to improve marketing campaign performance.
- Reducing failed delivery notifications by validating user input during signup flows.
- Analyzing email record patterns to identify trends in user entry errors.
How Mailcheck Works
- The user installs the Membrane CLI, which acts as the gateway to interact with Openclaw Skills.
- A secure login is performed to authenticate the agent and establish a session for the specific tenant.
- A connection is established to the Mailcheck service, which automatically manages OAuth or API key lifecycles.
- The agent polls the connection status to ensure it is in a READY state before executing tasks.
- Using natural language intent discovery, the agent finds the most appropriate action for a specific email validation task.
- Actions are executed via the CLI, returning structured JSON data that can be used for further automation or user feedback.
Mailcheck Setup
To begin using this skill, first install the CLI globally:
npm install -g @membranehq/cli@latest
Authenticate your environment for Openclaw Skills:
membrane login --tenant --clientName=openclaw
Create a connection to the Mailcheck service:
membrane connection ensure "https://mailcheck.co" --json
Verify that the connection is ready for use:
membrane connection get <connection_id> --wait --json
Mailcheck Data Schema & Taxonomy
The skill manages data through connections and structured actions. The table below outlines how information is organized:
| Component | Type | Description |
|---|---|---|
| Connection ID | UUID | A unique identifier for the specific service link. |
| Input Schema | JSON Object | Defines the parameters required for an action, such as the email string to be checked. |
| Output Schema | JSON Object | The structured result containing suggested corrections or validation status. |
| Intent | String | A natural language description used to discover relevant actions. |
| State | Enum | Tracks the lifecycle of the connection (e.g., READY, BUILDING, CLIENT_ACTION_REQUIRED). |
Mailcheck Advanced Features
- Natural language action discovery to find relevant validation tools without manual documentation search.
- Built-in API proxying to send custom requests directly to Mailcheck while maintaining secure header injection.
- Automated credential and token refresh management to ensure uninterrupted service connectivity.
- Support for headless authentication environments using authorization URLs and manual completion codes.
- Integrated polling and wait flags for asynchronous connection building and state management.
SKILL.md
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