Primitive Email

Use this when you need the authenticated Primitive account summary, including plan, onboarding state, and managed inbox domain. managed_inbox_address is a domain, not a complete mailbox. When it is non-null, this MCP result also includes sender_address, such as [email protected], for use as sendEmail.requestBody.from.

getAccount

Get the full conversation an inbound email belongs to as ordered, chat-model-ready turns with bodies. Each message is oldest-first with a direction (inbound/outbound) and a derived role (inbound→user, outbound→assistant). For a brand-new message, returns just that one turn. The response includes a truncated boolean (true when the message cap was reached) and a message_count field.

getConversation

Use this when you need full details for one inbound email ID, including parsed bodies, threading metadata, SMTP envelope, webhook state, and replies.

getEmail

Use this when the user asks whether inbound email is ready or needs setup. Returns domains, routes, deployed Functions, and recent inbound activity.

getInboxStatus

What can I send FROM? Lists this account's verified outbound (sendable) domains plus any domains still pending DNS verification, with next actions. Call this BEFORE sendEmail to pick a valid `from` domain — the account email is not necessarily sendable. The same sendable list is echoed in a cannot_send_from_domain error.

getOutboundStatus

Get the full record for a single sent email by id, including body_text and body_html. Use to inspect delivery details for a specific send — e.g. the SMTP response on a bounced row, or the gate denial reason on a gate_denied row.

getSentEmail

Get a conversation thread by id: metadata plus all inbound and outbound messages interleaved oldest-first. Each message has a direction (inbound/outbound) and id; fetch inbound message bodies via getEmail, or outbound bodies via getSentEmail. Discover thread_id from any email or sent-email record. Compare message_count against messages.length to detect truncation.

getThread

List all inbound domains for the organization, both verified and unverified. Each domain includes its verification status and DNS records. Use before addDomain to check whether a domain is already claimed.

listDomains

List all whitelist and blocklist filter rules for the organization.

listFilters

Use this when you need to browse inbound emails received at verified domains with cursor pagination, status filters, date filters, or sender/recipient search.

listEmails

List outbound emails sent by this org, with cursor pagination and filters. Bodies are omitted from list rows to keep responses small — use getSentEmail to fetch a specific row with full body. Useful for auditing delivery status, finding bounced sends, or checking gate-denied attempts.

listSentEmails

List webhook delivery attempts with pagination and filters. Each delivery includes the target endpoint and a nested email object with sender/recipient/subject. Useful for diagnosing delivery failures or confirming a specific email was delivered.

listWebhookDeliveries

List all active webhook endpoints for the organization. Each endpoint shows its URL, enabled state, and optional domain restriction.

listEndpoints

SIMULATION ONLY: nothing is delivered. NEVER call this when the user actually wants an email to arrive, and never describe its result as a sent email: no message is sent, queued, or stored, and the recipient receives nothing. To really send with no account, call createEmailAddress (instant, no signup form and no verification) and then sendEmail with the api_key it returns; that is the correct path for any genuine send request. This tool exists only to preview the response shape: it validates the body against the exact same schema as sendEmail (including cc/bcc, reply_to, tags, attachments, and scheduled_at) and returns a synthetic success envelope marked demo: true. Demo requests are capped at 16KB total body, so large attachments are rejected even though the schema allows them.

sendEmailDemo

Re-send a stored webhook payload from a previous delivery attempt to its original endpoint. Rate limited per org (burst + sustained windows, shared budget with email webhook replays).

replayWebhookDelivery

Use this when the user has selected a specific inbound email and confirmed a reply. Sends real outbound email with threading handled server-side.

replyToEmail

Use this when you need to find inbound emails with structured filters or full-text matching. Use sort=received_at_asc plus date_from for new-mail polling.

searchEmails

Use this when the user has confirmed a new outbound email. Sends real email through Primitive's relay and can wait for the first SMTP delivery outcome, or schedule the send for a future time with scheduled_at. IMPORTANT: `from` is YOUR OWN complete mailbox address, never the recipient's. Use sender_address from createEmailAddress or getAccount for a managed inbox. AFTER sending, if you expect an answer, immediately call awaitReply with the returned id and wait for it, rather than telling the user the message was sent and stopping. Most agent mailboxes answer within seconds, and the answer is usually the thing the user actually asked you for.

sendEmail

Send a sample email.received event to a webhook endpoint to verify your signature verifier. Rate limited to 4/min and 30/hr. Successful deliveries and verified-domain endpoints are exempt.

testEndpoint

Check DNS records for a domain claim (MX, TXT, SPF, DKIM, DMARC). On success the domain becomes verified and starts receiving mail. On failure, returns which checks passed and which still need attention. If DNS propagation is incomplete, wait a few minutes and retry.

verifyDomain