OpenMail vs Gmail MCP
A side-by-side look at the OpenMail and Gmail MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
O
OpenMailCommunicationGmail for agents: create inboxes, read and reply to mail, send email, manage domains. OAuth sign-in.36FairAuth: oauth 2.0Verdict: choose OpenMail for communication work; choose Gmail MCP for communication. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
OChoose OpenMail when
- You need dedicated capabilities in the Communication domain.
- Its auth model fits you: OAuth 2.0.
- You have the keys it needs:
OPENMAIL_API_URL, MCP_RESOURCE_URL, MCP_JWT_SECRET, CONSOLE_ORIGIN, PORT, POSTHOG_API_KEY, MCP_ANALYTICS_DEBUG.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | O OpenMail | |
|---|---|---|
| Category | Communication | Communication |
| Quality signal | 36/100 · Fair | 37/100 · Fair |
| Install command | Not confirmed yet | Not confirmed yet |
| Transport | — | — |
| Auth | OAuth 2.0 | Not declared |
| Pricing | Free | Not declared |
| Required env vars | OPENMAIL_API_URLMCP_RESOURCE_URLMCP_JWT_SECRETCONSOLE_ORIGINPORTPOSTHOG_API_KEYMCP_ANALYTICS_DEBUG |
Tools & capabilities
OpenMail tools
No tool names declared yet. Check the project README from the listing page.
Gmail MCP tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
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.
OpenMail
No confirmed install command for OpenMail yet — follow the setup steps linked from its listing page rather than a guessed package name.
Gmail MCP
No confirmed install command for Gmail MCP yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
OpenMail is categorized under Communication and uses an install path we have not confirmed yet. Gmail MCP belongs to Communication and uses an install path we have not confirmed yet. Pick OpenMail for communication work and Gmail MCP for communication.
Neither server has a confirmed install command yet, so we don't publish a guessed config. Follow each project's own setup instructions, linked from its listing page.
OpenMail is listed as free. Auth: oauth 2.0. Gmail MCP has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add openmail and gmail-mcp-2 as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, OpenMail has a quality signal of 36/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. Gmail MCP has 37/100 (Fair) with 1 views, 0 installs and 9 GitHub stars.