MoreAI.tools
M
Mattermost MCP
41
Stack Score
Editorial pick✓ Verified workingMCP server
Mattermost MCP logo

Mattermost MCP

Mattermost team chat operations.

Try Mattermost MCP

Best for

Best for teams running Mattermost for self-hosted or regulated chat.

At a glance

Pricing
open-source
Setup time
30 minutes
Learning curve
moderate
Last verified
5/26/2026

What we love

  • ✓OSS self-host option
  • ✓Wide Slack-alternative use
  • ✓Mattermost-maintained

Where it falls short

  • −Smaller community than Slack MCP
  • −Self-host needs admin
  • −API quirks vs Slack

Pricing

✓ Pricing verified Jun 14, 2026

1 tier

Open-source

$0

perpetual

  • ✓MIT

Overview

MCP server for Mattermost — channels + posts + DMs + reactions, user lookup, webhook setup. Open-source Slack alternative often self-hosted.

Key features

  • ●Channel + post CRUD
  • ●DM + reactions
  • ●User lookup
  • ●Webhook setup
  • ●OSS + Cloud

Best use cases

Self-hosted team chat ops

Run AI assistants inside a self-hosted Mattermost team chat.

Government / regulated chat

Use Mattermost for regulated environments where Slack isn't allowed.

Integrations

Mattermost
Mattermost Cloud

Similar tools

See all email tools →
Mailchimp
90
Mailchimp — email tool curated for working operators.
Klaviyo
90
Klaviyo — email tool curated for working operators.
Customer.io
88
Customer.io — email tool curated for working operators.
Compare side-by-side
Mattermost MCP vs Mailchimp vs Klaviyo
Pros, cons, pricing, role-fit — all on one page.
Open comparison

One AI Stack pick every week.

The tool we’d pay for this week, why we’d pay for it, and what we’d skip. No promo spam.