Looking for an alternative to AgentAddress? 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.
Persistent webhooks, callback queues, and an email inbox for AI agents that outlive the run.
Direct comparison of key metrics, runtimes, authentication methods, and community popularity.
| Server Name | Runtime | Auth | Pricing | GitHub Stars | Downloads | Action |
|---|---|---|---|---|---|---|
A AgentAddress (Target) | — | Free/None | Free | — | — | Current |
A Atomic Mail | npx | Free/None | Free | 264 | — | Compare → |
E Engagelab Email | npx | Free/None | Free | — | — | Compare → |
G Google Workspace | npx | Free/None | Free | 186 | — | Compare → |
S Sentvia MCP | npx | Free/None | Free | — | — | Compare → |
E E2a — email for AI agents | uvx | Free/None | Free | 191 | — | Compare → |
M Mailbuttons | npx | Free/None | Free | 1 | — | Compare → |
L Lumail | npx | Free/None | Free | 2 | — | Compare → |
L Line Bot MCP Server | npx | API key | Free | 783 | — | Compare → |
H HQBase | — | Free/None | Free | 330 | — | Compare → |
E Emailmd | npx | No auth required | Free | 1,379 | — | Compare → |
A AgentLair | npx | Free/None | Free | 5 | — | Compare → |
T Telnyx | — | Free/None | Free | 198 | — | Compare → |