Run an SSH server for chat so users can join a command-line conversation with this project.
Open source
24 alternativesMod Bot
Moderate Matrix communities with Mjolnir, a bot that can handle malicious invites, spam, and other server issues.
About Mod Bot
Mjolnir is a moderation bot for Matrix servers and communities. It addresses malicious invites and spam messages, and allows moderation through a shared bot account instead of personal accounts.
It supports bans, redactions, anti-spam measures, server ACLs, room directory changes, room alias transfers, account deactivation, and room shutdown. A companion Synapse module can apply the same rulesets across a homeserver. Setup requires configuration and chat commands, and the optional abuse-report display only handles unencrypted, witnessed, non-redacted events.
Key features
- Create and manage ban lists with chat commands
- Ban users and redact messages in protected rooms
- Apply server ACLs and anti-spam protections
- Change room directory entries and transfer room aliases
- Deactivate accounts and shut down rooms
- Apply bot rulesets homeserver-wide via Synapse module
Best for: Matrix server administrators and community moderators who need shared moderation without using personal accounts.
Good for
- Open source with Apache-2.0 license
- Handles both server-level protection and community room moderation
- Offers Synapse module to extend bot rules across a homeserver
Watch out for
- Abuse-report display only works for unencrypted, witnessed, non-redacted events
- Enabling abuse reports requires config file edits and a reverse proxy
- Abuse-report feature can expose information from unencrypted rooms
Mod Bot at a glance
- Category
- Privacy & Security › Encrypted Messaging
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Mod Bot FAQ
How do I create a default ban list?
After the bot is running, run "!mjolnir list create COC code-of-conduct-ban-list" to create a list, then "!mjolnir default COC" to set it as default.
How does the readable abuse reports feature work?
It replaces the Matrix report endpoint and displays reports in a room instead of requiring an admin API request. It requires enabling web and abuseReporting in the configuration and setting up a reverse proxy.
Can Mjolnir rules apply to a whole homeserver?
Yes, a Synapse module is available to apply the same rulesets the bot uses across an entire homeserver.
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