Titan Email MCP vs Jmap MCP
A side-by-side look at the Titan Email MCP and Jmap MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
T
Titan Email MCPCommunication · Local subprocess (stdio)MCP server for Titan Email (IMAP/SMTP), tested and confirmed with GoDaddy mailboxes.53GoodAuth: otherVerdict: choose Titan Email MCP for communication work as a local process; choose Jmap MCP for communication over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
TChoose Titan Email MCP when
- You need dedicated capabilities in the Communication domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: other.
- You have the keys it needs:
TITAN_EMAIL, TITAN_PASSWORD, TITAN_PROVIDER, TITAN_FROM_NAME, TITAN_ALLOW_SEND, TITAN_IMAP_HOST, TITAN_IMAP_PORT, TITAN_SMTP_HOST. - You want tools like
test_connection, list_folders, list_emails.
Choose Jmap MCP when
- You need dedicated capabilities in the Communication domain.
- You prefer a remote HTTP/SSE transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
JMAP_SESSION_URL, JMAP_BEARER_TOKEN. - You want tools like
get_mailboxes, search_emails, get_emails.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | T Titan Email MCP | |
|---|---|---|
| Category | Communication | Communication |
| Quality signal | 53/100 · Good | 60/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | other | API key required |
| Pricing | Free | BYOK (pay the provider) |
| Required env vars | TITAN_EMAILTITAN_PASSWORDTITAN_PROVIDERTITAN_FROM_NAMETITAN_ALLOW_SENDTITAN_IMAP_HOSTTITAN_IMAP_PORTTITAN_SMTP_HOST | JMAP_SESSION_URLJMAP_BEARER_TOKEN |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 176 |
| Directory activity | 0 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 10 | 11 |
| Full listing | View Titan Email MCP | View Jmap MCP |
Tools & capabilities
Titan Email MCP tools 10
test_connectionVerifies IMAP + SMTP login without touching any mail. **Run this first.list_foldersFolders with message / unread counts.list_emailsLatest emails in a folder (optionally unread only).search_emailsFilter by from, to, subject, text, date range, unread.read_emailFull message by UID: headers, text body, attachment list.send_emailSend new mail (copy saved to Sent). Disabled when `TITAN_ALLOW_SEND=false`.reply_emailThreaded reply / reply-all, or save the reply as a draft instead of sending.save_draftSave to Drafts without sending — always available, even in read-only mode.move_emailMove messages to another folder (Archive, Trash, etc.).set_flagsMark read/unread, flag/unflag.
Jmap MCP tools 11
get_mailboxesList mailboxes/folders with their IDs, names, and metadata. **Call this first**search_emailsSearch emails with filters. **All filters are AND'd together.** Returns onlyget_emailsRetrieve specific emails by their IDs. Use `properties` to request only what youget_threadsGet email threads by their IDs. Thread IDs come from `get_emails` responsesget_email_changesGet IDs of emails created, updated, or destroyed since a previous state. Use theget_search_updatesGet changes within a previous search query since its `queryState`. Must use themark_emailsMark emails as read/unread or flagged/unflagged.move_emailsMove emails to a different mailbox. Use `get_mailboxes` to find the targetdelete_emailsDelete emails permanently (cannot be undone). Prefer moving to Trash viasend_emailSend a new email. Requires either `textBody` or `htmlBody` (or both).reply_to_emailReply to an existing email. Automatically sets To/CC, Re: subject prefix, and
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.
Titan Email MCP
{
"mcpServers": {
"titan-email-mcp": {
"command": "npx",
"args": [
"-y",
"titan-email-mcp"
],
"env": {
"TITAN_EMAIL": "YOUR_TITAN_EMAIL_HERE",
"TITAN_PASSWORD": "YOUR_TITAN_PASSWORD_HERE",
"TITAN_PROVIDER": "YOUR_TITAN_PROVIDER_HERE",
"TITAN_FROM_NAME": "YOUR_TITAN_FROM_NAME_HERE",
"TITAN_ALLOW_SEND": "YOUR_TITAN_ALLOW_SEND_HERE",
"TITAN_IMAP_HOST": "YOUR_TITAN_IMAP_HOST_HERE",
"TITAN_IMAP_PORT": "YOUR_TITAN_IMAP_PORT_HERE",
"TITAN_SMTP_HOST": "YOUR_TITAN_SMTP_HOST_HERE"
}
}
}
}
Jmap MCP
{
"mcpServers": {
"wyattjoh-jmap-mcp": {
"url": "https://api.fastmail.com/jmap/session"
}
}
}
Frequently asked questions
Titan Email MCP is categorized under Communication and uses a local stdio subprocess. Jmap MCP belongs to Communication and uses a remote HTTP/SSE transport. Pick Titan Email MCP for communication work and Jmap MCP for communication.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Titan Email MCP is listed as free. Auth: other. Jmap MCP is bring-your-own-key: usage is billed by the API provider you supply a key for. Auth: api key required. 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 titan-email-mcp and wyattjoh-jmap-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Titan Email MCP has a quality signal of 53/100 (Good) with 0 views, 0 installs and 0 GitHub stars. Jmap MCP has 60/100 (Good) with 1 views, 0 installs and 176 GitHub stars.