Server data from the Official MCP Registry
AI-native email for businesses, developers, and AI agents.
About
AI-native email for businesses, developers, and AI agents.
Remote endpoints: streamable-http: https://api.nextmail.sh/mcp
Security Report
Valid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.
Endpoint verified · Requires authentication · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Found in Source Code
Found by scanning the linked source code. This listing connects to a hosted endpoint, so none of this runs on your machine: it describes what the server software does where it is hosted.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"sh-nextmail-mcp": {
"url": "https://api.nextmail.sh/mcp"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
Nextmail for AI agents
Email for AI agents and for the people who build them, from Nextmail. This repository connects your agent to your own Nextmail mailbox, and teaches it the jobs people most often hand to an agent: sending email from code, working through an inbox, catching verification emails in tests, and moving from Resend.
What is in it
- One MCP server,
https://api.nextmail.sh/mcp, the remote server Nextmail runs. Your client signs in with OAuth in the browser, and on the consent page you choose which permissions and which addresses the agent may use. You can narrow or remove the connection later under Account, Connected apps. - Four skills, in
skills/: sending email with the SDKs, the API or the CLI; working in a mailbox over MCP; disposable inboxes for sign-up tests; and moving from Resend.
Install
Claude Code
/plugin marketplace add nextmailhq/mcp
/plugin install nextmail@nextmail
Claude, ChatGPT and other chat apps. Add https://api.nextmail.sh/mcp as a custom connector.
Codex. Add this to ~/.codex/config.toml:
[mcp_servers.nextmail]
url = "https://api.nextmail.sh/mcp"
Gemini CLI
gemini extensions install https://github.com/nextmailhq/mcp
Any agent that reads skills
npx skills add nextmailhq/mcp
Cursor, VS Code, Windsurf and other MCP clients. See https://nextmail.sh/docs/mcp/connect.md
What it runs, sends and fetches
Nothing in this repository runs on your machine. The skills are written instructions, and the plugin adds one remote MCP server, which your client reaches over HTTPS at https://api.nextmail.sh/mcp once you have signed in. Its tools act on your Nextmail workspace, with the permissions you approved, and every tool is marked as reading or as making changes, so your client can ask before anything is sent or changed. The skills link to the documentation at https://nextmail.sh, and to the Nextmail SDK and CLI packages, which are installed only if you choose to.
Privacy, terms and support
- Privacy policy: https://nextmail.sh/privacy
- Terms: https://nextmail.sh/terms
- Support: support@nextmail.sh
- Documentation: https://nextmail.sh/docs/mcp/overview.md
License
MIT. See LICENSE.
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