Looking for an alternative to Doubletick Cli? Whether you need a different runtime environment, custom authentication support, or alternative API integrations in the Communication ecosystem, we have cataloged and compared the top alternative MCP servers below.
cseguinlz/doubletick-cli MCP server lets AI agents send tracked emails through Gmail and query their read status. It uses the local CLI authentication flow, Gmail API for delivery, and the DoubleTick backend to register tracks and record opens. Reach for it when an agent needs to send an email and later determine whether it was opened, including available open statistics. The MCP setup runs locally through npx after you complete the one-time Gmail and DoubleTick login.
Direct comparison of key metrics, runtimes, authentication methods, and community popularity.
| Server Name | Runtime | Auth | Pricing | GitHub Stars | Downloads | Action |
|---|---|---|---|---|---|---|
| npx | OAuth | Freemium | 2 | — | Current | |
| npx | OAuth | Freemium | 12,211 | — | Compare → | |
| npx | Other | Free | 21 | — | Compare → | |
| npx | Other | Free | 110 | — | Compare → | |
| npx | API key | Bring your own API key (usage-based cost) | 221 | — | Compare → | |
| uvx | OAuth | Freemium | 73 | — | Compare → | |
| npx | No auth required | Free | 1,373 | — | Compare → | |
| npx | API key | Paid | 1 | — | Compare → | |
| npx | API key | Free | 348 | — | Compare → | |
| npx | API key | Bring your own API key (usage-based cost) | 1 | — | Compare → | |
| npx | API key | Free | 34 | — | Compare → | |
| npx | No auth required | Free | — | — | Compare → | |
| Remote (SSE) | API key | Bring your own API key (usage-based cost) | 176 | — | Compare → |