Use Mails.so from Claude
Add the Mails.so connection to a Space that runs Claude, then use it from every channel in that Space.
ConnectorMails.so
Mails.so integration for Claude and Codex
Create a Mails.so connection, then control which Spaces can use its approved tools and data without pasting credentials into prompts or threads.
CategoryEmail & Messaging
Use Mails.so from Codex
Add the Mails.so connection to a Space that runs Codex, then use it from every channel in that Space.
Use Mails.so from Sidekick
Connect your own OpenClaw to Sidekick while Type provides the conversations, permissions, connections, skills, and automations.
Email & Messaging
What the Mails.so connector can do
Mails is an API service that provides powerful email validation capabilities to help maintain a clean and effective email list.
One connection, many Spaces
Connect Mails.so once, then decide which Spaces can use it in threads, skills, automations, and coding work.
Representative actions
- Retrieve Batch Results
Tool to retrieve results of a bulk validation job. Use after submitting a batch and you have its ID.
- Validate Bulk Emails
Tool to validate multiple email addresses in bulk. Use when you need to confirm deliverability of a list of emails at once.
- Validate Single Email
Tool to validate a single email address. Use when you need to check deliverability and quality details before sending an email.
Connection
API and auth details
mails.so provides a simple email-validation API for list hygiene and deliverability workflows. Integrations can validate individual email addresses, detect risky or invalid addresses, clean lists, reduce bounces, and use API-key based checks in signup, CRM, and outbound automation pipelines.
- Source
- Type catalog metadata
- Auth schemes
- API key
- API docs
- https://docs.mails.so/intro
- Official site
- https://mails.so/
FAQ
Questions people ask before connecting Mails.so
Can Claude use Mails.so?
Yes. Add a Mails.so connection to a Space that runs Claude, then use its approved tools and data from any channel in that Space.
Can Codex work with Mails.so through Type?
Yes. Add a Mails.so connection to a Space that runs Codex, then use its approved tools and data from any channel in that Space.
Is this the same as a Mails.so MCP server?
Not exactly. Type uses connectors and connections to give selected Spaces access to approved app tools and data. Some connectors use hosted MCP, while others use OAuth, API keys, service accounts, or custom APIs.
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