App

Mattermost integrations

Connect Mattermost to any other app, or use it from your AI client over MCP. Mattermost offers modern team communication, behind your firewall. Share messages and files across phones and PCs, with archiving and instant search.

Connects with an API keymattermost.com
2 triggers26 actions

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 to automate with Mattermost?

Ask the assistant

You'll sign in before anything runs. What you typed comes with you.

Connect your AI client

Give your AI client this address.

https://mcp.apiant.ai

One 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.ai

Start 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)

Popular

Mattermost with the apps people pair it with most

Pair it

Connect Mattermost with another app

What your agent can do with Mattermost

Triggers and actions 2 triggers · 26 actions

  • Trigger
    New Channel

    Triggers when a new public channel is created in a Mattermost team.

  • Trigger
    New user

    Triggers when a new user joins the selected Mattermost team.

  • Action
    Add direct channel

    Creates (or returns the existing) direct message channel between two users.

  • Action
    Add Reaction

    Adds an emoji reaction to a Mattermost post.

  • Action
    Add user

    Creates a new user account on the Mattermost server and returns the created user.

  • Action
    Add User to Channel

    Adds a user to a Mattermost channel.

  • Action
    Add user to team

    Adds a user to a team, making them a team member.

  • Action
    Create Channel

    Creates a public or private channel in a Mattermost team.

  • Action
    Delete channel

    Deletes (archives) a Mattermost channel, or permanently deletes it when requested.

  • Action
    Delete Post

    Deletes a Mattermost post.

  • Action
    Delete reaction

    Removes a user's emoji reaction from a post.

  • Action
    Find channels by name

    Searches 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 terms

    Searches the posts in a team for the given search terms and returns the matching posts.

  • Action
    Find User by Email

    Finds a Mattermost user by email address.

  • Action
    Find user by username

    Finds a Mattermost user by their username and returns the user's profile.

  • Action
    Get channel

    Returns a Mattermost channel's details (name, display name, team, type, purpose and header) by its channel ID.

  • Action
    Get Post

    Returns a single Mattermost post by its ID.

  • Action
    Get team

    Returns a Mattermost team by its ID.

  • Action
    Get user

    Returns a Mattermost user's profile by their user ID.

  • Action
    List channels

    Returns the public channels on a Mattermost team.

  • Action
    List posts

    Returns 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 Teams

    Returns the Mattermost teams you belong to.

  • Action
    List users

    Returns users on the Mattermost server, optionally limited to a team, channel or group, or filtered by role and active status.

  • Action
    Pin post

    Pins a post to the channel it was posted in.

  • Action
    Post Message

    Posts a new message to a Mattermost channel, optionally as a reply in a thread.

  • Action
    Remove user from channel

    Removes a user from a channel.

  • Action
    Update channel

    Updates a channel's name, display name, purpose, header or other settings. Only the fields you fill in are changed.

  • Action
    Update Post

    Changes the text of an existing Mattermost post.

Reviews

What our customers say

Questions

Mattermost, answered

Is there a Mattermost MCP server?

APIANT's MCP server at https://mcp.apiant.ai works with Mattermost. Add that address to any AI client that takes a remote MCP server and sign in once in your browser. Your client can then run Mattermost actions on demand, or have APIANT build, test and run automations that use Mattermost. Nothing to install.

What can start an automation from Mattermost?

Any of Mattermost's 2 triggers in the catalog, including New Channel and New user. Describe the moment in plain language and your agent picks the right one.

What can your agent do in Mattermost?

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 I use Mattermost directly from Claude, ChatGPT or Cursor?

Yes. Connect your AI client to APIANT once and it works with Mattermost two ways. Ask it to do something in Mattermost 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 on its own. A one-off action uses your plan's tasks the same way an automation step does.

Do I need to write code against the Mattermost API?

No. APIANT connects to the Mattermost API for you, with your Mattermost API key. Describe what you want in plain language and your agent builds it on the Mattermost triggers and actions in the catalog. If you need an endpoint that is not there yet, your agent reads the Mattermost API documentation and adds it.

Which apps can Mattermost connect to?

Any app in the catalog; the list on this page pairs Mattermost with each of them. If the other app is missing, point your agent at its API documentation and it builds the connector.

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.