Kit.com MCP Server vs Mailtrap

A side-by-side look at the Kit.com MCP Server and Mailtrap MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Kit.com MCP Server logoKit.com MCP ServerCommunication · Local subprocess (stdio)Agent-optimized MCP server for Kit.com email marketing. 13 composite tools, 100% V4 API.56GoodAuth: not declaredMailtrap logoMailtrapCommunication · Local subprocess (stdio)Official mailtrap.io MCP server64GoodAuth: not declared

Verdict: choose Kit.com MCP Server for communication work as a local process; choose Mailtrap for communication as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Kit.com MCP Server logoChoose Kit.com MCP Server when

  • You need dedicated capabilities in the Communication domain.
  • You prefer a local stdio subprocess transport.
  • You want tools like test_connection, get_account, manage_subscribers.
Explore Kit.com MCP Server

Mailtrap logoChoose Mailtrap when

  • You need dedicated capabilities in the Communication domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: MAILTRAP_API_TOKEN, MAILTRAP_ACCOUNT_ID, DEFAULT_FROM_EMAIL, MAILTRAP_SANDBOX_ID, MAILTRAP_TEST_INBOX_ID, MAILTRAP_ORGANIZATION_ID, MAILTRAP_ORGANIZATION_API_TOKEN.
  • You want tools like send-email, batch-send-transactional-email, batch-send-bulk-email.
Explore Mailtrap

Feature & specification comparison

Rows where the two servers differ are marked.

SpecKit.com MCP Server logoKit.com MCP ServerMailtrap logoMailtrap
CategoryCommunicationCommunication
Quality signal56/100 · Good64/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNot declared
PricingNot declaredNot declared
Required env varsNone listedMAILTRAP_API_TOKENMAILTRAP_ACCOUNT_IDDEFAULT_FROM_EMAILMAILTRAP_SANDBOX_IDMAILTRAP_TEST_INBOX_IDMAILTRAP_ORGANIZATION_IDMAILTRAP_ORGANIZATION_API_TOKEN
Verified ownerCommunity listingCommunity listing
GitHub stars266
Directory activity 1 views 0 installs 0 upvotes 3 views 0 installs 0 upvotes
Tools13125

Tools & capabilities

Kit.com MCP Server tools 13

  • test_connectionVerify your Kit API key is valid and check connection status. Use this as the first tool call to confirm setup.
  • get_accountGet a comprehensive overview of your Kit account including creator profile, email stats, and subscriber growth.
  • manage_subscribersManage Kit subscribers. To find most engaged subscribers, use 'top_engaged' — returns subscribers ranked by open rate in one call. For individual stats use 'stats'. 'list' and 'filter' return profiles only, NOT engagement data. Actions: find, list, create, update, unsubscribe, stats, compare_stats, top_engaged, filter, engagement_filter
  • manage_tagsManage Kit tags — list all tags, create, rename, apply/remove tags on subscribers, or list subscribers with a specific tag. Actions: list, create, update, tag_subscriber, untag_subscriber, list_subscribers
  • manage_broadcastsManage Kit email broadcasts — list with status filter, get details, create drafts or scheduled sends, update, delete, view performance stats, compare stats across all broadcasts, or analyze per-link click data. Actions: list, get, create, update, delete, stats, list_stats, get_clicks
  • manage_formsManage Kit forms — list all forms, list subscribers who opted in through a form, or add a subscriber to a form (triggers double opt-in if enabled). Actions: list, list_subscribers, add_subscriber
  • manage_sequencesManage Kit email sequences — list all sequences, enroll a subscriber, or list subscribers in a sequence. Actions: list, add_subscriber, list_subscribers
  • manage_custom_fieldsManage Kit custom subscriber fields — list all fields, create, rename, or delete (destructive). Actions: list, create, update, delete
  • manage_purchasesManage Kit purchases — list, get details, or record a new purchase. Requires OAuth authentication. Actions: list, get, create
  • manage_segmentsList Kit subscriber segments (read-only — segments are created in the Kit UI). Actions: list
  • manage_webhooksManage Kit webhooks — list registered webhooks, create new webhook subscriptions for Kit events, or delete webhooks. Actions: list, create, delete
  • manage_email_templatesList Kit email templates — returns template IDs and names needed for creating broadcasts. Actions: list
  • +1 more on the listing page

Mailtrap tools 125

  • send-emailSend an email to your recipient email address using Mailtrap Email API. You can send emails to multiple recipients at once.
  • batch-send-transactional-emailSend a batch of transactional emails in one Mailtrap API call. Shared fields go on `base`; per-recipient overrides go in `requests[]`. Each request must include `to`.
  • batch-send-bulk-emailSend a batch of bulk emails (Mailtrap bulk-stream API) in one call. Shared fields go on `base`; per-recipient overrides go in `requests[]`. Each request must include at least one of `to`/`cc`/`bcc`.
  • create-templateCreate a new email template
  • list-templatesList the account's email templates with page-token pagination (`token`, `per_page`). Pages are offsets over the newest-first list, so after deleting templates list again from token 1 instead of continuing with the next token.
  • get-templateGet a single email template by ID, including subject, category, and HTML/text body.
  • update-templateUpdate an existing email template
  • delete-templateDelete an existing email template
  • send-sandbox-emailSend an email in sandbox mode to a test inbox without delivering to your recipients
  • batch-send-sandbox-emailSend a batch of emails in sandbox mode to a test inbox in one Mailtrap API call. Shared fields go on `base`; per-recipient overrides go in `requests[]`. Requires `sandbox_id` or the MAILTRAP_SANDBOX_ID env var.
  • get-sandbox-messagesGet list of messages from the sandbox test inbox
  • show-sandbox-email-messageShow sandbox email message details and content from the sandbox test inbox. Optionally include spam report (SpamAssassin score) and HTML analysis (client compatibility) for email testing workflows.
  • +113 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.

Kit.com MCP Server

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "kit-com-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@dancumberland/kit-mcp@latest"
      ]
    }
  }
}

Mailtrap

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "mailtrap": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-mailtrap"
      ],
      "env": {
        "MAILTRAP_API_TOKEN": "YOUR_MAILTRAP_API_TOKEN_HERE",
        "MAILTRAP_ACCOUNT_ID": "YOUR_MAILTRAP_ACCOUNT_ID_HERE",
        "DEFAULT_FROM_EMAIL": "YOUR_DEFAULT_FROM_EMAIL_HERE",
        "MAILTRAP_SANDBOX_ID": "YOUR_MAILTRAP_SANDBOX_ID_HERE",
        "MAILTRAP_TEST_INBOX_ID": "YOUR_MAILTRAP_TEST_INBOX_ID_HERE",
        "MAILTRAP_ORGANIZATION_ID": "YOUR_MAILTRAP_ORGANIZATION_ID_HERE",
        "MAILTRAP_ORGANIZATION_API_TOKEN": "YOUR_MAILTRAP_ORGANIZATION_API_TOKEN_HERE"
      }
    }
  }
}

Frequently asked questions

Kit.com MCP Server is categorized under Communication and uses a local stdio subprocess. Mailtrap belongs to Communication and uses a local stdio subprocess. Pick Kit.com MCP Server for communication work and Mailtrap 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.

Kit.com MCP Server has no declared pricing — check the project's own site. Mailtrap 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 kit-com-mcp-server and mailtrap as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Kit.com MCP Server has a quality signal of 56/100 (Good) with 1 views, 0 installs and 2 GitHub stars. Mailtrap has 64/100 (Good) with 3 views, 0 installs and 66 GitHub stars.