A side-by-side look at the Agenticmail and OpenMail MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Agenticmail for communication work as a local process; choose OpenMail for communication. You can also run both side by side in one mcpServers block.
OPENAI_API_KEY.OPENMAIL_API_URL, MCP_RESOURCE_URL, MCP_JWT_SECRET, CONSOLE_ORIGIN, PORT, POSTHOG_API_KEY, MCP_ANALYTICS_DEBUG.Rows where the two servers differ are marked.
| Spec | O OpenMail | |
|---|---|---|
| Category | Communication | Communication |
| Quality signal | 61/100 · Good | 36/100 · Fair |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | API key required | OAuth 2.0 |
| Pricing | BYOK (pay the provider) | Free |
| Required env vars | OPENAI_API_KEY | OPENMAIL_API_URLMCP_RESOURCE_URLMCP_JWT_SECRETCONSOLE_ORIGINPORTPOSTHOG_API_KEYMCP_ANALYTICS_DEBUG |
| Verified owner | Community listing | Community listing |
| GitHub stars | 237 | 0 |
| Directory activity | 4 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View Agenticmail | View OpenMail |
No tool names declared yet. Check the project README from the listing page.
No tool names declared yet. Check the project README from the listing page.
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
{
"mcpServers": {
"agenticmail-agenticmail": {
"command": "npx",
"args": [
"-y",
"@agenticmail/cli@latest"
],
"env": {
"OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE"
}
}
}
}
No confirmed install command for OpenMail yet — follow the setup steps linked from its listing page rather than a guessed package name.