Sebastianall1977 Gmail MCP vs Mailbox MCP
A side-by-side look at the Sebastianall1977 Gmail MCP and Mailbox MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Sebastianall1977 Gmail MCP for communication work as a local process; choose Mailbox MCP for communication as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Sebastianall1977 Gmail MCP when
- You need dedicated capabilities in the Communication domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
CLIENT_ID, CLIENT_SECRET, REFRESH_TOKEN, AUTH_SERVER_PORT, GMAIL_CREDENTIALS_PATH, GMAIL_OAUTH_PATH, MCP_CONFIG_DIR, PORT. - You want tools like
create_draft, delete_draft, get_draft.
Choose Mailbox MCP when
- You need dedicated capabilities in the Communication domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
MAILBOX_MCP_PASSPHRASE, MAILBOX_MCP_CONFIG_DIR, MAILBOX_MCP_PROFILE. - You want tools like
list_accounts, authenticate, reauth.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Communication | Communication |
| Quality signal | 53/100 · Good | 59/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | CLIENT_IDCLIENT_SECRETREFRESH_TOKENAUTH_SERVER_PORTGMAIL_CREDENTIALS_PATHGMAIL_OAUTH_PATHMCP_CONFIG_DIRPORT | MAILBOX_MCP_PASSPHRASEMAILBOX_MCP_CONFIG_DIRMAILBOX_MCP_PROFILE |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 10 |
| Directory activity | 3 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | 64 | 49 |
| Full listing | View Sebastianall1977 Gmail MCP | View Mailbox MCP |
Tools & capabilities
Sebastianall1977 Gmail MCP tools 64
create_draftCreate a draft email in Gmail. Note the mechanics of the raw parameter.delete_draftDelete a draftget_draftGet a specific draft by IDlist_draftsList drafts in the user's mailboxsend_draftSend an existing draftcreate_labelCreate a new labeldelete_labelDelete a labelget_labelGet a specific label by IDlist_labelsList all labels in the user's mailboxpatch_labelPatch an existing label (partial update)update_labelUpdate an existing labelbatch_delete_messagesDelete multiple messages- +52 more on the listing page
Mailbox MCP tools 49
list_accountsList configured accountsauthenticateAdd a new accountreauthRe-run OAuth for an existing Gmail account (use when refresh token expires with `invalid_grant`)remove_accountRemove an accountsearch_emailsSearch messages (optional `folder` to scope the search)multi_account_searchRun the same query across every configured account in parallelread_emailRead a messageread_threadRead a conversation thread (Gmail + JMAP)send_emailSend a new email (supports `from`, `attachments`; new recipients need `confirm_new_recipient`)reply_emailReply to a message (supports `from`, `attachments`; extra cc/bcc to new addresses need `confirm_new_recipient`)forward_emailForward a message (supports `from`, `attachments`; other domains need `confirm_external_forward`)create_draftCreate a draft (supports reply drafts via `in_reply_to`, plus `from`, `attachments`)- +37 more on 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.
Sebastianall1977 Gmail MCP
{
"mcpServers": {
"sebastianall1977-gmail-mcp": {
"command": "npx",
"args": [
"-y",
"@shinzolabs/gmail-mcp"
],
"env": {
"CLIENT_ID": "YOUR_CLIENT_ID_HERE",
"CLIENT_SECRET": "YOUR_CLIENT_SECRET_HERE",
"REFRESH_TOKEN": "YOUR_REFRESH_TOKEN_HERE",
"AUTH_SERVER_PORT": "YOUR_AUTH_SERVER_PORT_HERE",
"GMAIL_CREDENTIALS_PATH": "YOUR_GMAIL_CREDENTIALS_PATH_HERE",
"GMAIL_OAUTH_PATH": "YOUR_GMAIL_OAUTH_PATH_HERE",
"MCP_CONFIG_DIR": "YOUR_MCP_CONFIG_DIR_HERE",
"PORT": "YOUR_PORT_HERE"
}
}
}
}
Mailbox MCP
{
"mcpServers": {
"mailbox-mcp-2": {
"command": "npx",
"args": [
"-y",
"mailbox-mcp"
],
"env": {
"MAILBOX_MCP_PASSPHRASE": "YOUR_MAILBOX_MCP_PASSPHRASE_HERE",
"MAILBOX_MCP_CONFIG_DIR": "YOUR_MAILBOX_MCP_CONFIG_DIR_HERE",
"MAILBOX_MCP_PROFILE": "YOUR_MAILBOX_MCP_PROFILE_HERE"
}
}
}
}
Frequently asked questions
Sebastianall1977 Gmail MCP is categorized under Communication and uses a local stdio subprocess. Mailbox MCP belongs to Communication and uses a local stdio subprocess. Pick Sebastianall1977 Gmail MCP for communication work and Mailbox 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.
Sebastianall1977 Gmail MCP has no declared pricing — check the project's own site. Mailbox 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 sebastianall1977-gmail-mcp and mailbox-mcp-2 as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Sebastianall1977 Gmail MCP has a quality signal of 53/100 (Good) with 3 views, 0 installs and 0 GitHub stars. Mailbox MCP has 59/100 (Good) with 3 views, 0 installs and 10 GitHub stars.