#matrix #near #ferris #server #conference

app waasabi-matrix

Your friendly Ferris in a Matrix server near you

1 unstable release

0.2.0 Apr 23, 2021



waasabi-matrix - Your friendly Rusty crab, guiding you through the conference

waasabi-matrix is a Matrix chat bot that can handle logging, moderation and some admin operations.


The bot needs to be configured before use. The configuration file is in the TOML format. The path to the bot configuration should be specified as a commandline parameter when starting the bot.

An example configuration is provided in bot-config.example.toml

The configuration consists of the following fields:

Matrix server

The bot will connect to the Matrix server specified in the configuration and will use it to access the Matrix network.

Currently the bot does not handle well being rate limited by the Matrix server so it is recommended to disable rate limiting for the bot user (and thus, we recommend using a Matrix server that allows for this). At the moment this can only be done manually.

homeserver The URL of the Matrix server to connect to
user Full matrix username of the bot user
password Password of the bot user
admins A list (array) of matrix usernames who can control the bot using bot commands


The bot collects all room information and incoming messages and forwards them to the backend integration. Currently the only supported integration is Waasabi's chat integration via Strapi.

host URL of the exposed API root (for Waasabi servers this is by default under <origin>/waasabi )
user Username with API access privileges (Event Manager Integrations role)
password Password of the authenticated user
integrations_endpoint Optional The endpoint to use for posting Matrix information. Default: event-manager/integrations


This bot exposes a http API that can be used to send commands to the bot through API requests.

listen The address or ip/port combination to listen (expose the API) on
secret The secret that is required to be present in all API requests


Invite a user to a room

POST /invite
    api_key: <secret string>,
    user_id: <@user:homeserver>,
    room_id: <#channel:homeserver>,

Create a new room on the server

POST /room
    api_key: <secret string>,
    alias: <room name>,
    name: <room display name>,
    topic: <optional topic for the room>,


These are commands that the bot understands.

Command Description
!ping Admin-only. Ping-pong with the bot.
!invite <user id> Admin-only. Invite a user to the current room.
!create <room alias> <room name> Admin-only. Create a new room.
!op Admin-only. Give room admin access to all admin users.
!op <user id> Admin-only. Add a new user to the list of admins.
?ops Admin-only. List all current admin users.


Build the code, then use the binary in target/release/waasabi-matrix:

cargo build --release

Or build install it right away:

cargo install --path .

Building this app requires libopenssl. On Ubuntu, use:

apt-get install libssl-dev

Otherwise you might be receiving an error message during build:

Package openssl was not found in the pkg-config search path.


Want to join us? Check out our The "Contributing" section of the guide.


The waasabi-matrix project adheres to the Contributor Covenant Code of Conduct. This describes the minimum behavior expected from all contributors.


Licensed under either of

at your option.


Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.


~468K SLoC