Heyy MCP server

Connect Heyy to Claude, ChatGPT, Cursor, Claude Code, Codex, Gemini, GitHub Copilot and any other MCP client, for your whole team. Metorial adds security, governance, and tracing, and gives everyone one Magic MCP URL to connect.

What you can do with the Heyy MCP server

Ask your agent in plain language. Each of these maps to a real tool on the server.

  • Use the trigger workflow tool in Heyy
  • Use the update chat tool in Heyy
  • Use the send whats app message tool in Heyy
  • Use the list workflows tool in Heyy
  • Use the create broadcast tool in Heyy
  • Use the delete contact tool in Heyy

Supported Tools

trigger_workflow

Trigger Workflow

Trigger an automation workflow for a specific phone number on a channel. Optionally provide template variables and schedule the execution for a future time.

update_chat

Update Chat

Update a chat's properties including status, read state, and assignment. Use this to close or reopen chats, mark them as read/unread, or assign them to team members.

send_whatsapp_message

Send WhatsApp Message

Send a WhatsApp message to a contact through a specified channel. Supports text messages, template messages, and media messages (image, video, document, audio). For **text** messages, provide the body text directly. For **template** messages, provide a message template ID and optional variables. For **media** messages, provide the ID of a file already uploaded to Heyy. Messages can optionally be scheduled for future delivery.

list_workflows

List Workflows

List all automation workflows available on a specific channel. Returns workflow IDs and details that can be used to trigger automations or associate with broadcasts.

create_broadcast

Create Broadcast

Create a new broadcast campaign on a channel. Broadcasts allow you to send messages to many contacts at once for marketing outreach or re-engagement. You can schedule broadcasts, set recurrence, and include template variables.

delete_contact

Delete Contact

Permanently delete a contact from your Heyy business account. This removes the contact and all associated data.

list_chats

List Chats

List all chats on a specific channel. Returns chat IDs, statuses, contact associations, assignment details, and message timestamps. Use this to find ongoing conversations.

list_message_templates

List Message Templates

List all available WhatsApp message templates. Templates are Meta-approved message formats required for initiating WhatsApp conversations. Returns template IDs, names, statuses, categories, languages, and components. Use template IDs when sending template messages.

start_broadcast

Start Broadcast

Start a previously created broadcast campaign using a media ID already uploaded to Heyy. Once started, the broadcast will begin sending messages to its recipients.

add_broadcast_recipients

Add Broadcast Recipients

Add contacts as recipients to a broadcast campaign. Provide an array of contact IDs to add to the broadcast's recipient list.

get_business_info

Get Business Info

Retrieve details about your Heyy business account. Returns the business name, email, phone number, address, and other account-level configuration. Useful for verifying API connectivity and fetching business metadata.

list_broadcasts

List Broadcasts

List all broadcast campaigns on a specific channel. Returns broadcast IDs, names, statuses, schedules, and workflow associations.

create_contact

Create Contact

Create a new contact in your Heyy business account. Contacts represent customers or leads that you communicate with across channels. You can set names, email, phone number, labels, and custom attributes.

list_channels

List Channels

List all connected messaging channels in your Heyy business account. Returns channel IDs, names, types (WhatsApp, Instagram, Facebook Messenger, Live Chat), and statuses. Channel IDs are required for sending messages, managing chats, broadcasts, and workflows.

list_contacts

List Contacts

List and search contacts in your Heyy business account. Supports pagination, sorting, and search filtering. Returns contact details including names, phone numbers, emails, labels, and custom attributes.

update_contact

Update Contact

Update an existing contact's details in your Heyy business account. You can modify names, labels, and custom attributes. Note that email and phone number cannot be changed after creation.

get_chat

Get Chat

Retrieve one chat using Heyy API v3, including unread state, assignments, sensitivity, contact and channel IDs, and the latest message. Use List Chats or Get Contact to discover chat IDs.

get_workspace

Get Current Workspace

Retrieve the workspace associated with your API key using Heyy API v3. Returns its ID, name, timezone, and availability schedule.

get_contact

Get Contact

Retrieve one contact using Heyy API v3, including messaging handles, subscription state, label IDs, custom attribute values, and associated chat IDs. Use List Contacts to discover contact IDs.

Connect Heyy to your AI client

Every client uses the same Magic MCP URL, and so does any other MCP client. Add it once and sign in with SSO.

  1. Enable Heyy in Metorial. In your Metorial portal, enable the Heyy MCP server and sign in with the account that owns the data. Access stays governed by your team policies.
  2. Add a custom connector. Open Customize, then Connectors. Select Add, then Custom, then Web.
  3. Paste your Metorial MCP URL. Name it Metorial, paste your Magic MCP URL (<your-magic-mcp-url>) and continue.
  4. Sign in. Select Add and sign in to load Heyy tools.

Run Heyy through the Metorial gateway

One governed layer for every app your agents reach, not a separate connector per tool.

  • Give Heyy and every other app to your whole team through one MCP gateway, behind your SSO.
  • Scope which teams and agents can use Heyy tools with role-based access control, and trace every call.
  • Prefer to run it yourself? Metorial is open source and self-hostable.

More integrations teams use with Heyy

Slack

Slack: connect with bot OAuth or user OAuth to work with messages, conversations, search, files, Canvases, Lists, profiles, reactions, reminders, and workspace productivity settings.

Salesforce

Manage CRM data including Accounts, Contacts, Leads, Opportunities, Cases, and custom objects. Create, read, update, and delete records. Query data using SOQL and search across objects using SOSL. Perform bulk data operations for large-scale imports, exports, and migrations. Execute composite requests to batch multiple operations in a single API call. Access analytics, reports, and dashboards. Manage files and attachments associated with records. Interact with Chatter feeds, posts, and groups for social collaboration. Manage org metadata including custom objects, fields, layouts, and workflows. Query data using GraphQL for precise data retrieval across related objects.

Apolloio

Search and prospect B2B contacts and companies from a database of over 275 million people and 70 million organizations. Enrich people and company data with emails, phone numbers, and firmographic details. Create and manage contacts, accounts, deals, and tasks. Add contacts to email sequences and manage sequence statuses. Log and search call records. Perform bulk operations for contact creation, account creation, task creation, and data enrichment.

Sharepoint

Manage SharePoint sites, document libraries, lists, and files. Create, read, update, and delete lists and list items with custom columns. Resolve site users to numeric Person/Group LookupId values. Upload, download, move, copy, and version files in document libraries. Search across sites, files, folders, lists, and list items using Microsoft Search. Manage permissions at site, list, and item levels with granular access control. Define and manage content types and site columns. Retrieve site properties and search for sites across Microsoft 365.

Microsoft Outlook

Send, read, reply to, forward, and manage email messages in user mailboxes. Organize messages into folders, apply categories, flags, and importance levels. Manage file and item attachments. Create, update, delete, and respond to calendar events and meetings. Find available meeting times, manage attendees, handle recurrence, and work with shared or delegated calendars. Create, read, update, and delete contacts, organize them into contact folders, and manage contact photos. Manage tasks and task lists via Microsoft To Do, including due dates, reminders, recurrence, and checklist items. Support for Focused Inbox, @-mentions, mail tips, send-on-behalf, and send-as capabilities.

Hubspot

Create, read, update, and delete CRM objects including contacts, companies, deals, tickets, and custom objects. Manage associations between CRM records. Track engagements such as calls, emails, meetings, notes, and tasks. Send transactional and marketing emails, manage campaigns, and handle subscription preferences. Build and manage marketing workflows, sequences, and automation actions. Manage CMS content including blog posts, landing pages, and HubDB tables. Handle commerce data including products, orders, invoices, quotes, and payments. Create and manage contact lists for segmentation. Configure deal, ticket, and order pipelines with custom stages. Search and filter CRM records. Bulk import and export CRM data. Manage users, teams, and account settings.

Technical notes for Heyy

Manage Heyy contacts, chats, WhatsApp messages, broadcasts, and automation workflows. Inspect your current workspace and retrieve detailed contacts and chats through API v3. Legacy API v2 tools require migration before Heyy's announced November 1, 2026 sunset.

Frequently asked questions

Common questions about connecting Heyy to AI agents with Metorial.

  1. How many tools does the Heyy MCP server have?
    The Heyy MCP server exposes 19 tools, including Trigger Workflow, Update Chat, Send WhatsApp Message. Each one is governed and traced through Metorial.
  2. Heyy exposes tools your agents call on demand; it does not publish event triggers yet. Everything still runs through one governed MCP URL.
  3. Any MCP client, including VS Code, Windsurf, Zed, OpenCode and Grok. Each one reaches the Heyy MCP server through the same Metorial URL.
  4. Use role-based access control to decide which teams, users, and agents can use Heyy and which of its tools they can call.
  5. Yes. Metorial is open source, so you can run the Heyy MCP server yourself or use the hosted gateway.

Connect Heyy to production AI agents

See how Metorial gives your team governed access to Heyy, with tracing and security controls built in.