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MAS (Matrix Authentication Service) is a user management and authentication service forMatrix homeservers, written and maintained byElement. You can directly run and manage the source code in this repository, available under an AGPL license (or alternatively under a commercial license from Element). Support is not provided by Element unless you have a subscription.

It has been created to support the migration of Matrix to a next-generation of auth APIs perMSC3861.

See theDocumentation for information on installation and use.

You can learn more about Matrix and next-generation auth atareweoidcyet.com.

Developers and users of Matrix Authentication Service can chat in the#matrix-auth:matrix.org room on Matrix.

The best way to get a modern Element Matrix stack is through theElement Server Suite Community Edition, which includes MAS.

The MAS documentation describeshow to install and configure MAS.We recommend using theDocker image or thepre-built binaries.

Matrix Authentication Service is available in multiple languages.Anyone can contribute to translations throughLocalazy.

See thecontribution guidelines for information on how to contribute to this project.

Copyright 2024, 2025 New Vector Ltd.Copyright 2021-2024 The Matrix.org Foundation C.I.C.

This software is dual-licensed by New Vector Ltd (Element). It can be used either:

(1) for free under the terms of the GNU Affero General Public License (as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version); OR

(2) under the terms of a paid-for Element Commercial License agreement between you and Element (the terms of which may vary depending on what you and Element have agreed to).Unless required by applicable law or agreed to in writing, software distributed under the Licenses is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the Licenses for the specific language governing permissions and limitations under the Licenses.