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What do you want PostStack and Fergus to do together?
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Give your AI client this address.
https://mcp.apiant.aiAny client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What PostStack can start in Fergus
When Contact Updated (instant) in PostStack
then Add Contact in Fergus
When New Contact (instant) in PostStack
then Add Calendar Event in Fergus
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with PostStack and Fergus
Triggers and actions 7 triggers · 62 actions
Trigger
Contact Deleted (instant)Fires when a contact is deleted (event: contact.deleted).
Trigger
Contact Updated (instant)Fires when a contact is updated (event: contact.updated).
Trigger
Email Bounced (instant)Fires when an email bounces (event: email.bounced).
Trigger
Email Delivered (instant)Fires when an email is delivered (event: email.delivered).
Trigger
New Contact (instant)Fires when a contact is created (event: contact.created).
Trigger
New Inbound EmailPolls for newly received inbound emails.
Trigger
New Sent Email (instant)Fires when an email is sent (event: email.sent).
Action
Add a broadcastCreate a new marketing broadcast.
Action
Add a contactCreate a new contact.
Action
Add a segmentCreate a new manual contact segment.
Action
Add a templateCreate a new email template.
Action
Add contacts to segmentAdd contacts to an existing segment.
Action
Add suppressionAdd an address to the suppression list.
Action
Cancel broadcastCancel an in-flight broadcast.
Action
Cancel emailCancel a scheduled or queued email before it sends.
Action
Delete a contactDelete a contact.
Action
Delete a templateDelete an email template.
Action
Get a contactFetch one contact by ID.
Action
Get a templateFetch one email template by ID.
Action
Get broadcastRetrieve one broadcast by its public id, including the HTML and text bodies that the list endpoint omits.
Action
Get emailFetch one sent or queued email by ID.
Action
Get email eventsGet the delivery event timeline for one email.
Action
Get inbound emailFetch one received inbound email by ID.
Action
Import contactsBulk-import a CSV list of contacts.
Action
List broadcastsList marketing broadcasts.
Action
List contactsList contacts in the account.
Action
List emailsList sent, queued, and scheduled emails.
Action
List inbound emailsList emails received via inbound parsing.
Action
List segmentsList contact segments.
Action
List suppressed addressesList addresses on the suppression list.
Action
List templatesList email templates.
Action
Send an emailSend a transactional email through PostStack.
Action
Send broadcastStart sending a broadcast to its recipients.
Action
Send emails in batchSend up to 100 emails in a single request.
Action
Update a contactUpdate an existing contact's fields.
Action
Update a templateUpdate an email template, creating a new version.
Action
Update emailReschedule a queued email's send time.
Action
Validate email addressCheck whether an email address is valid and deliverable.
Action
Add Calendar EventCreates a new calendar event/booking.
Action
Add ContactCreates a new contact.
Action
Add NoteCreates a new note against a record.
Action
Add QuoteCreates a new draft quote on a Fergus job. Supported for jobs whose job type is Quote or Estimate.
Action
Add TaskCreates a new task in Fergus, optionally linked to a job and assigned to employees.
Action
Archive SiteArchives a site in Fergus. The site can later be restored.
Action
Create CustomerCreates a new customer.
Action
Create JobCreates a job in Fergus — an active job, a draft job, or a variation of an existing job.
Action
Create SiteCreates a new site.
Action
Delete CustomerDeletes a Fergus customer by ID.
Action
Edit Draft JobUpdates a draft job in Fergus. Only draft jobs can be edited; leave a field blank to keep its current value.
Action
Finalize Draft JobFinalises a draft job in Fergus, turning it into an active job.
Action
Find All QuotesReturns up to 100 quotes from across all jobs that match the specified status and date criteria.
Action
Find CustomerReturns the customers whose name, or main or billing contact's name, email or phone, contains the search text.
Action
Find SiteFinds sites by name, city, postal code, or free-text search. Returns the first page of matches (up to 10).
Action
Get Calendar EventReturns a single Fergus calendar event by its ID, including title, start/end times, event type, assigned user, linked job/job phase and recurrence details.
Action
Get ContactReturns a single Fergus contact (customer or site contact) by its ID, including name, position, company and contact items.
Action
Get Customer by IDReturns a Fergus customer by its ID.
Action
Get Customer InvoiceRetrieves a customer invoice by ID.
Action
Get Job by IDRetrieves a specific job using its unique ID.
Action
Get Quotes for JobReturns all quotes for a Fergus job, optionally filtered by status.
Action
Get Site by IDRetrieves a specific site using its unique ID.
Action
List ContactsLists contacts, with optional filtering.
Action
List Customer InvoicesLists customer invoices, with optional filtering.
Action
List NotesReturns the notes (with their replies) attached to a Fergus record.
Action
List TasksLists the company's tasks, optionally filtered by status, assigned employee, job, due date range or overdue state.
Action
Update ContactUpdates an existing customer contact or site contact in Fergus.
Action
Update CustomerUpdates an existing customer's details.
Action
Update QuoteUpdates a draft quote on a Quote or Estimate job in Fergus: title, description and its sections with line items.
Action
Update SiteUpdates an existing site's details.
Action
Update TaskUpdates a task's description, due date, or assigned employees in Fergus. The job a task is linked to cannot be changed.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
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Questions
PostStack and Fergus, answered
What can start an automation from PostStack?
Any of PostStack's 7 triggers in the catalog, including Contact Updated (instant), New Contact (instant), New Inbound Email and New Sent Email (instant). Describe the moment in plain language and your agent picks the right one.
What can your agent do in Fergus when something happens in PostStack?
Any of Fergus's 31 actions, including Create Customer, Create Job, Create Site and Update Contact. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Fergus to PostStack?
Fergus has no triggers in the catalog today, so automations start in PostStack. If you need the other direction, ask: your agent reads Fergus's API documentation and adds it.
Do I have to build a connector for PostStack or Fergus?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.