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mattermost

69 indexed repositories · View on GitHub

mattermost
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

TypeScript · 39113 stars
mattermost-mobile
Next generation iOS and Android apps for Mattermost in React Native

TypeScript · 2722 stars
desktop
Mattermost Desktop application for Windows, Mac and Linux

TypeScript · 2269 stars
docker
Install Mattermost server via Docker

Shell · 533 stars
mattermost-plugin-agents
Mattermost Agents plugin supporting multiple LLMs

Go · 250 stars
react-native-paste-input
React Native TextInput replacement to allow pasting files

Objective-C · 213 stars
mattermost-helm
Mattermost Helm charts for Kubernetes

Go Template · 201 stars
mattermost-plugin-github
GitHub plugin for Mattermost

Go · 179 stars
mattermost-plugin-starter-template
Build scripts and templates for writing Mattermost plugins.

Go · 156 stars
mattermost-plugin-gitlab
GitLab plugin for Mattermost

JavaScript · 152 stars
mattermost-plugin-calls

TypeScript · 150 stars
mattermost-plugin-boards
Mattermost plugin for Boards. This will host plugin only and is independent of Focalboard.

TypeScript · 144 stars
mattermost-operator
Mattermost Operator for Kubernetes

Go · 143 stars
mattermost-plugin-zoom
Zoom plugin for Mattermost :electric_plug:

Go · 111 stars
mattermost-plugin-jira
JIRA plugin for Mattermost 🔌

Go · 110 stars
mattermost-plugin-playbooks
Mattermost Playbooks enable reliable and repeatable processes for your teams using checklists, automation, and retrospectives.

TypeScript · 98 stars
mattermost-plugin-demo
A demo of what Mattermost plugins can do.

Go · 94 stars
mattermost-developer-documentation
Mattermost developer documentation.

CSS · 90 stars
mattermost-docker-preview
Mattermost Preview Docker Image

Dockerfile · 62 stars
mattermost-plugin-wrangler
Manage Mattermost Messages Masterfully!

Go · 61 stars
49 more repositories live on View on GitHub

Beginner friendly Everything

Open All

Emoji picker skips custom emojis when some are already stored locally Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

mattermost/mattermost-mobile#10180 · Opened Sep 18, 2026
Feature request: display three reaction suggestions in the `sidebar-right` Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

mattermost/mattermost#38445 · Opened Sep 10, 2026
[Bug]: reducers/plugins/index.ts:25 hasMenuId() returns early is the menu has no submenu Open

Bug Report/Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

mattermost/mattermost#38263 · 1 comment · Opened Sep 1, 2026
[Bug]: MessageAttachment.IsValid rejects every numeric ts sent over JSON — int64 case is unreachable Open

Bug Report/Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

mattermost/mattermost#38127 · 3 comments · Opened Aug 25, 2026
Allow configuration of operator pod resources (CPU, Memory) Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

mattermost/mattermost-helm#523 · Opened Aug 7, 2026
[Bug]: Client-side user filter drops "LastName FirstName" matches that the server already returns Open

Bug Report/Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

mattermost/mattermost#37865 · 1 comment · Opened Aug 6, 2026
Switching service type away from OpenAI silently carries useResponsesAPI=true into OpenAI Compatible Open

Difficulty 1/5 1-3 hours Newbie friendliness 82/100

mattermost/mattermost-plugin-agents#919 · Opened Jul 24, 2026
[Bug]: `import_process` does not check for errors other than file does not exist. Open

Bug Report/Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

mattermost/mattermost#37492 · Opened Jul 14, 2026
Backport #34420 to release-10.11 Open

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

mattermost/mattermost#37461 · Opened Jul 13, 2026
Doc: `README` has confusing download instructions Open

Triage

Difficulty 1/5 Under an hour Newbie friendliness 76/100

mattermost/mattermost-plugin-boards#221 · Opened Jul 2, 2026
Android thread header obscures top of thread Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

mattermost/mattermost-mobile#9895 · Opened Jun 27, 2026
[Bug]: @mattermost/client does not support TypeScript 6 Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

mattermost/mattermost#37128 · 2 reactions · Opened Jun 19, 2026
The link to Feature request portal in the contribution docs returns 404 Open

Difficulty 1/5 Under an hour Newbie friendliness 70/100

mattermost/mattermost#37074 · 2 comments · Opened Jun 16, 2026
Unexpected warning icon displayed in Mattermost Academy hero section Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

mattermost/mattermost#37025 · 1 comment · Opened Jun 12, 2026
[Bug]: Swedish translations for forwarding and following are wrong Open

Bug Report/Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

mattermost/mattermost#36826 · Opened Jun 1, 2026
Bug: Installation fails due to incomplete plugin.json file. Open

Triage

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

mattermost/mattermost-plugin-boards#194 · 2 comments · Opened May 18, 2026
[Bug]: fix(webapp):add missing aria-label to app bar plugin component Open

Bug Report/Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

mattermost/mattermost#36604 · Opened May 18, 2026
[Bug]: Auto-translation with LibreTranslate provider fails for Chinese (zh-CN) due to missing locale mapping to zh-Hans Open

Bug Report/Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

mattermost/mattermost#36577 · Opened May 15, 2026
v2 paste interception silently bails on RN 0.76+ Fabric (uses `__nativeTag` which is undefined) Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

mattermost/react-native-paste-input#54 · 1 comment · Opened May 11, 2026
24 hour time should include leading 0 for times before 10:00 Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

mattermost/mattermost-mobile#9744 · Opened May 11, 2026
mmctl --local: support `bot create` and `token generate` Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

mattermost/mattermost#36353 · Opened Apr 30, 2026
[Bug]: Webapp plugin manifest bundle_path omits /plugins/ segment, causing 404 on mobile clients Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

mattermost/mattermost#36218 · Opened Apr 22, 2026
Docs: Interactive Dialog datetime field format is documented incorrectly (says "user's timezone", actually always UTC) Open

Difficulty 1/5 Under an hour Newbie friendliness 85/100

mattermost/mattermost#36019 · 1 comment · Opened Apr 10, 2026
Update enterprise CI i18n check to diff en.enterprise.json (companion to #35783) Open

Difficulty 1/5 Under an hour Newbie friendliness 72/100

mattermost/mattermost#35784 · Opened Mar 25, 2026
[Bug]: PatchCPAValuesForUser — possible documentation discrepancy with request body format Open

Bug Report/Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

mattermost/mattermost#35782 · Opened Mar 25, 2026
Multibyte string still could be truncated in wrong pla�... Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

mattermost/mattermost-plugin-jira#1218 · 3 comments · Opened Jul 25, 2025
Documentation error: operations/GetBot does not mention 404 response Open

Bug Report/Open

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

mattermost/mattermost#33556 · Opened Jul 25, 2025
testify/mock.AnythingOfTypeArgument is deprecated Open

Difficulty 1/5 Under an hour Newbie friendliness 72/100

mattermost/mattermost-plugin-cloud#154 · Opened Mar 7, 2024
Padding on slash command menu items is too tight Open

Help Wanted

Difficulty 2/5 1-3 hours Newbie friendliness 66/100

mattermost/mattermost#24042 · Opened Jul 17, 2023
Help Wanted: Gitpod docs have outdated screenshots for the mattermost GitHub repository Open

Difficulty/1:Easy Good first issue Help Wanted Up For Grabs

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

mattermost/mattermost-developer-documentation#1244 · 4 comments · Opened May 4, 2023
Increase max height of the Find Channels modal Open

Good First Issue Hacktoberfest Help Wanted

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

mattermost/mattermost#21558 · 22 comments · Opened Oct 31, 2022

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