Vision6 MCP by usefulapi

io.usefulapi/vision6

Read Vision6 lists, contacts, messages and reports; update contacts; send transactional email/SMS.

Yes, your AI can use this right now.Answered a live MCP handshake in 257 ms with no sign-in needed and exposes 23 tools.
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Settings → Connectors → Add custom connector
URL: https://vision6.usefulapi.io/mcp

23 tools, pulled live

Pulled straight from the server with tools/list on 2026-10-27.
vision6_get_accountread-only

Details of the API key this server uses: the scopes it grants (e.g. list.view, contact.create, message.edit, report.view) and its creation/expiry time. Use it to see why a request is refused. GET /v1/.

vision6_list_listsread-only

List the account's contact lists with id, name, creation/modification time and notification settings. Filter by exact name. GET /lists.

vision6_get_listread-only

One contact list by id. GET /lists/{list_id}.

vision6_list_list_fieldsread-only

The fields (columns) of a contact list: label, type (email, mobile, text, dropdown, date ...), allowed values and whether they are mandatory. The lowercase underscore form of a label is the key used for contact values and filters. GET /lists/{list_id}/fields.

vision6_list_foldersread-only

List the account's folders (list folders and message folders) with id, name, type and size. Needed for the folder id when creating a list or message. GET /folders.

vision6_list_contactsread-only

List the contacts of one list: email, mobile, subscribed/blocked status, active flag, double opt-in and the list's custom fields. Filter by email, mobile, active flag, creation/modification time or any custom field (`filters`, e.g. {"city":"Brisbane"} or {"source:ne":"promo"}). GET /lists/{list_id}/contacts.

vision6_get_contactread-only

One contact by id within a list, with all fields. GET /lists/{list_id}/contacts/{contact_id}.

vision6_list_messagesread-only

List saved email and SMS messages (templates and campaigns) with id, type, name, subject and sender. Filter by type or exact name/subject. GET /messages.

vision6_get_messageread-only

One message by id. With include_content=true the HTML and plain-text body is included. GET /messages/{message_id}.

vision6_get_message_sender_defaultsread-only

The account's default from name, from address and reply-to, applied to new email messages when you omit them. GET /message-sender-defaults.

vision6_list_reportsread-only

Send reports for campaigns, newest first: message name, type, sent, bounced, opened, unique clicks, unsubscribes, complaints, total recipients and last sent time. Filter by message, type, test sends or creation time. Click and domain breakdowns are only returned when requested via `fields`. GET /reports.

vision6_get_reportread-only

One send report by id with all delivery and engagement counts, per-link click counts and recipient domain distribution. Optionally includes A/B test results and social click/share statistics. GET /reports/{report_id}.

vision6_list_sent_contactsread-only

The contacts one message was sent to, with send time, first/last open time and open type (html, text, sms or not_opened). Use it to see who opened a campaign. GET /messages/{message_id}/sent-contacts.

vision6_list_transactional_groupsread-only

Transactional send groups (one per group name used with vision6_send_transactional) with sent, failed, bounced, delivered, opened, clicked and unsubscribed counts. GET /transactional-groups.

vision6_get_transactional_groupread-only

One transactional group by id with its delivery statistics. GET /transactional-groups/{group_id}.

vision6_create_contact

WRITE: add one contact to a list (needs an email and/or mobile that matches a field of the list). May trigger the list's 'contact created' automations and notification emails. Returns the new contact. POST /lists/{list_id}/contacts.

vision6_add_contacts

WRITE: add up to 200 contacts to a list in one request (faster than one by one). Each needs an email and/or mobile. Vision6 returns no contact data (HTTP 204), so use vision6_list_contacts to read them back. May trigger automations. POST /lists/{list_id}/contacts.

vision6_update_contactcan modify

WRITE: change one contact's email, mobile, custom field values, subscription status (email_subscribed/mobile_subscribed=false unsubscribes), active flag or double opt-in. Only the fields you pass change. May trigger 'contact updated' automations. Returns the updated contact. PATCH /lists/{list_id}/contacts/{contact_id}.

vision6_delete_contactcan modify

WRITE, IRREVERSIBLE: permanently delete one contact from a list (for example for a privacy erasure request). To stop emailing someone but keep the record, use vision6_update_contact with email_subscribed=false instead. Pass confirm=true only after the user agreed to the deletion. DELETE /lists/{list_id}/contacts?id={contact_id}.

vision6_create_list

WRITE: create a new, empty contact list inside a list folder (see vision6_list_folders with type list). Returns the new list. POST /lists.

vision6_create_message

WRITE: save a new email or SMS message in Vision6. This only stores the message; it is NOT sent (use the Vision6 app to send a campaign, or vision6_send_transactional for a one-off send). Email needs email_type, subject and matching body fields (plain: content_text; html: content_html; plain-html: both; raw_html: content_html or content_html_raw). SMS needs content_sms. The drag-and-drop builder i

vision6_update_messagecan modify

WRITE: change a saved message's name, subject, sender, folder or body. Only the fields you pass change. It does not send anything. PATCH /messages/{message_id}.

vision6_send_transactionalcan modify

WRITE: SENDS REAL EMAIL OR SMS to the recipients immediately (asynchronously) and USES ACCOUNT SENDING CREDITS. It cannot be recalled. Up to 100 recipients per call, each identified by exactly one of contact_id, email or mobile, plus optional personalisation values (wildcards %%key%% in the body). Either send a saved message (message_id) or custom content (subject/body_html/body_text, and for SMS

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