About MCP
MCP is an MCP server published by useplunk in the Communication category: the Open-Source Email Platform.
The repository has 5.5K stars and 419 forks, with the last commit yesterday. Recent commit activity is the strongest signal that reported issues will get attention.
Install
git clone https://github.com/useplunk/plunkThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
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README
Introduction
Transactional emails, marketing campaigns, and workflow automation — in one platform. Self-hostable, $0.001 per email, no contact limits.
An open-source, self-hosted alternative to tools SendGrid, Resend or Mailgun.
Features
- Transactional Emails: Send emails straight from your API with template support and variable substitution
- SMTP: Use Plunk as an SMTP relay to send emails from any existing tool or framework
- Campaigns: Send newsletters and product updates to large audiences
- Workflows: Create advanced automations with triggers, delays, and conditional logic
- Segments: Organize contacts with dynamic filtering and target the right audience
- Contact Management: Manage contacts with custom fields and full activity history
- Analytics: Track opens, clicks, bounces, and engagement metrics in real-time
- Custom Domains: Verify and send from your own domains with DKIM/SPF support
- Inbound Emails: Receive and process incoming emails with custom routing rules
Sponsors
Plunk is made possible by the support of our sponsors. If you self-host Plunk, consider supporting via GitHub Sponsors.
Self-hosting Plunk
The easiest way to self-host Plunk is by using the plunk Docker image.
You can pull the latest image from Github.
A complete guide on how to deploy Plunk can be found in the documentation.
Community
- Documentation: docs.useplunk.com
- Discord: useplunk.com/discord
Contributing
You are welcome to contribute to Plunk. You can find a guide on how to contribute in CONTRIBUTING.md.
License
AGPL-3.0 License - see LICENSE for details.
README fetched from the repository 17 hours ago. The original is authoritative.