# Mattermost vs Microsoft Teams (Microsoft Graph) (slim)

> Mattermost scores 65.8 (B) to Microsoft Teams's 62.2 (B) for team chat. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/mattermost-vs-microsoft-teams.md (~2,300 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/mattermost-vs-microsoft-teams.json · canonical https://www.anchorterminal.com/compare/mattermost-vs-microsoft-teams
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Mattermost scores 65.8 (B) on agent readiness against Microsoft Teams (Microsoft Graph)'s 62.2 (B), and leads in 4 of 7 scored categories. Microsoft Teams (Microsoft Graph) leads on schema & documentation and security & auth. Both do team chat.

- Mattermost: B 65.8, rank #310 of 950 · https://www.anchorterminal.com/tools/mattermost.min.md
- Microsoft Teams (Microsoft Graph): B 62.2, rank #441 of 950 · https://www.anchorterminal.com/tools/microsoft-teams.min.md
- Mattermost, good for A team that runs its own chat server and wants an agent to read channels, post, search and manage members through a bot account, including in air-gapped networks. Ahead on Reliability, 83 against 67; Payments & pricing, 50 against 20; Maintenance & community, 89 against 76. Also Open source.
- Microsoft Teams (Microsoft Graph), good for Agents acting as a signed-in employee in a Microsoft 365 tenant that read channels and chats and post replies. Ahead on Schema & documentation, 92 against 76; Security & auth, 71 against 63. Also A hosted endpoint, with nothing to install.

| Category | Mattermost | Microsoft Teams (Microsoft Graph) |
| --- | --- | --- |
| Reliability (16%) | 83 | 67 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 76 | 92 |
| Agent ergonomics (13%) | 63 | 59 |
| Security & auth (14%) | 63 | 71 |
| Payments & pricing (10%) | 50 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 89 | 76 |
| Transparency & trust (7%) | 75 | 76 |

| Fact (where they differ) | Mattermost | Microsoft Teams (Microsoft Graph) |
| --- | --- | --- |
| Vendor | Mattermost, Inc. | Microsoft |
| Hosted endpoint | no (local only) | `https://graph.microsoft.com/v1.0` |
| Auth | OAuth or key | OAuth |
| Pricing | Freemium | Your plan |
| Licence | Open core. Team Edition is MIT as a compiled binary. The source is AGPL v3 or a commercial licence, with admin tools and configuration files under Apache 2.0. Enterprise Edition, which the free Entry edition runs, is under a commercial licence. The Agents plugin is Apache 2.0 | MIT (SDKs) |
| Tools exposed | none | 25 |
| Last release | 2026-10-08 | 2026-10-06 |
| Terms last updated | no date given | 2025-10-01 |
| Privacy policy last updated | no date given | 2026-09-01 |
| Customer content may train models | not found in the text | yes |
| Terms restrict automated access | not found in the text | yes |
| Terms or service can change without notice | not found in the text | yes |
| Popularity | 39k stars, 7.7k npm/wk | 835 stars, 2.9M npm/wk, 1.6M PyPI/wk |