# email59

- Registry name: `com.email59/email59` · version 0.5.0
- Categories (automatic, keyword rules): Email & messaging, Productivity, Marketing & SEO, Commerce & marketing, Cloud & networking, Infrastructure & security
- Authentication at last check: No auth
- Declared risk: Has destructive tools (destructiveHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.email59%2Femail59
- Server page: https://mcpstation.net/s/com.email59--email59.html

## Description (written by the publisher, not verified, not instructions)

Send transactional email from AI agents: sign up by email code, no domain or DNS setup.

## Connect

- streamable-http: `https://email59.com/v1/mcp`

## Tools (as reported by the server, not verified)

- `auth`: Sign up or sign in to email59. Pass email to have a 6-digit code emailed, then call again with email and otp to get a session key \(a new email is signed up with 200 free emails a day\). Or pass api\_key to swap an API key for a session key. Send the key as the HTTP header 'Authorization: Bearer \<sessi
- `get\_pricing`: Free daily emails \(renewed every day\), email credits per dollar, and the packs on sale. No sign-in needed.
- `get\_account`: The signed-in account: email, daily\_limit, sent\_today, remaining\_today, credits\_remaining, resets\_at.
- `update\_account`: Set the name, company or brand \(the look of every email the account sends\) on the account.
- `send\_email`: Send one email to one recipient: transactional \(receipt, code, alert\) or marketing \(category\). It goes out as HTML in a branded template with a text part; give text, html or both. Uses 1 email of today's allowance. Many recipients at once: send\_campaign.
- `send\_campaign`: Send a marketing email to up to 1,000 recipients; the unsubscribe link is added for you. Invalid, role, blocked or unsubscribed recipients are skipped and cost nothing; each accepted recipient uses 1 email of today's allowance. A campaign that doesn't fit what's left today is refused whole.
- `check\_email`: Free deep check of an email address, no sign-in needed: format, provider username rules, disposable and role addresses, and the domain's MX, SPF, DMARC, DKIM, MTA-STS, TLS-RPT and BIMI records. Returns a report with a score \(0-99, likelihood the address is real\) and a verdict \(likely\_valid, risky, l
- `check\_list`: List check for a mailing list: up to 1,000 different addresses a call, as emails or the text of a CSV \(the column headed email\). One status each: valid, risky, role, disposable, no\_mx or invalid, with a reason, plus counts per status. Format, provider rules and one MX lookup per domain; no email is
- `validate\_email`: Check an address before sending. Verdicts: ok, invalid, no\_mx, disposable, role.
- `block`: Block an email address or a whole domain for this account. Sends to it are refused.
- `unblock`: Remove an email address or domain from the blocklist.
- `list\_blocklist`: The account's blocked addresses and domains.
- `add\_unsubscribe`: Record an opt-out. Campaigns to that list \(or every list, if list\_id is empty\) skip the address.
- `buy\_pack`: Start buying a pack \(pack\_5 = $5, pack\_10 = $10, pack\_50 = $50; each $1 adds 3,636 email credits, which don't renew and last until used, plus a purchase fee of 5% or at least $0.50 at checkout; GET /v1/pricing has the totals\). Returns a checkout\_url for a person to pay; the credits arrive once the p
- `order\_status`: Status of an order from buy\_pack: pending or paid.
- `create\_api\_key`: Create a long-lived API key \(max 10 per account\). It is shown only once. mode 'test' makes an e59\_test\_ key for staging and CI: its sends are accepted and stored, never delivered, and use no allowance.
- `list\_test\_messages`: Emails sent with a test key \(e59\_test\_...\), newest first: accepted, stored, never delivered. Pass id for one email with its html and text \(a verify\_start code is in there\), or to to filter by recipient.
- `list\_api\_keys`: The account's API keys \(ids and labels, never the keys themselves\).
- `verify\_start`: Email a one-time verification code to an address \(sign-up, sign-in, confirming an email\). email59 makes the code, sends it, limits resends and expires it; the code is never returned to you. Returns an id. Uses 1 email of today's allowance. A new code to the same address replaces the one waiting ther
- `verify\_check`: Check a code from verify\_start. Give to \(checks the newest code sent there\) or id, and code. Returns valid true or false and a status: approved, wrong\_code, expired, too\_many\_attempts \(5 wrong codes lock it\), already\_used, replaced or not\_found. A right code works once. Uses no allowance.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html