Integration
Connect Clerk and Mattermost
When New User fires in Clerk, your agent runs Add user in Mattermost, or New Channel in Mattermost to Create User in Clerk. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want Clerk and Mattermost to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any 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 Clerk and Mattermost can do together
From Clerk to Mattermost
When New User in Clerk
then Add user in Mattermost
When New User in Clerk
then Add User to Channel in Mattermost
From Mattermost to Clerk
When New Channel in Mattermost
then Create User in Clerk
When New user in Mattermost
then Update User in Clerk
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 Clerk and Mattermost
Triggers and actions 3 triggers · 32 actions
Trigger
New UserTriggers when a new user is created in Clerk.
Action
Ban UserBan a user, preventing them from signing in.
Action
Create InvitationInvite a new user to the Clerk instance by email; they receive a sign-up link.
Action
Create UserCreates a new user in Clerk.
Action
Delete UserDeletes a user from Clerk.
Action
Unban UserRemove a ban on a user, restoring their ability to sign in.
Action
Update UserUpdates an existing user in Clerk.
Trigger
New ChannelTriggers when a new public channel is created in a Mattermost team.
Trigger
New userTriggers when a new user joins the selected Mattermost team.
Action
Add direct channelCreates (or returns the existing) direct message channel between two users.
Action
Add ReactionAdds an emoji reaction to a Mattermost post.
Action
Add userCreates a new user account on the Mattermost server and returns the created user.
Action
Add User to ChannelAdds a user to a Mattermost channel.
Action
Add user to teamAdds a user to a team, making them a team member.
Action
Create ChannelCreates a public or private channel in a Mattermost team.
Action
Delete channelDeletes (archives) a Mattermost channel, or permanently deletes it when requested.
Action
Delete PostDeletes a Mattermost post.
Action
Delete reactionRemoves a user's emoji reaction from a post.
Action
Find channels by nameSearches a team's public channels (and channels you belong to) whose name or display name matches a search term, and returns the matching channels.
Action
Find posts by termsSearches the posts in a team for the given search terms and returns the matching posts.
Action
Find User by EmailFinds a Mattermost user by email address.
Action
Find user by usernameFinds a Mattermost user by their username and returns the user's profile.
Action
Get channelReturns a Mattermost channel's details (name, display name, team, type, purpose and header) by its channel ID.
Action
Get PostReturns a single Mattermost post by its ID.
Action
Get teamReturns a Mattermost team by its ID.
Action
Get userReturns a Mattermost user's profile by their user ID.
Action
List channelsReturns the public channels on a Mattermost team.
Action
List postsReturns the most recent posts in a Mattermost channel, newest first, optionally limited to posts changed since a time or before/after a given post.
Action
List TeamsReturns the Mattermost teams you belong to.
Action
List usersReturns users on the Mattermost server, optionally limited to a team, channel or group, or filtered by role and active status.
Action
Pin postPins a post to the channel it was posted in.
Action
Post MessagePosts a new message to a Mattermost channel, optionally as a reply in a thread.
Action
Remove user from channelRemoves a user from a channel.
Action
Update channelUpdates a channel's name, display name, purpose, header or other settings. Only the fields you fill in are changed.
Action
Update PostChanges the text of an existing Mattermost post.
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
More from Clerk
Clerk to LinkedInLinkedIn is a professional networking platform enabling job seekers, companies, and thought leaders to...
Clerk to FacebookFacebook is a social media and advertising platform used by individuals and businesses to connect, share...
Clerk to AnthropicAnthropic builds Claude, a family of large language models.
Clerk to GoHighLevelAll-in-one sales and marketing platform agencies white-label and resell to their clients — contacts...
Clerk to SupabaseSupabase is an open-source backend-as-a-service providing a Postgres database, authentication, storage, and...
Clerk to ElevenLabsElevenLabs is an AI audio research and deployment company.
More into Mattermost
HubSpot to MattermostHubSpot is your all-in-one stop for all of your marketing software needs.
Google Sheets to MattermostGoogle Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.
Gmail to MattermostGmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
Google Calendar to MattermostGoogle Calendar is a time management tool providing scheduling features, event reminders, and integration...
Google Drive to MattermostGoogle Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...
Mailchimp to MattermostMailchimp marketing automation and email platform.
Questions
Clerk and Mattermost, answered
What can start an automation from Clerk?
Any of Clerk's 1 trigger in the catalog, including New User. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Mattermost when something happens in Clerk?
Any of Mattermost's 26 actions, including Create Channel, Post Message, Update channel and Update Post. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Mattermost to Clerk?
Yes. When something happens in Mattermost, your agent can act in Clerk too. This page covers both directions: Mattermost's triggers and Clerk's actions are listed here as well.
Do I have to build a connector for Clerk or Mattermost?
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.
Can my AI client use Clerk and Mattermost without building an automation?
Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.
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.