mattermost/mattermost-plugin-agents

Mattermost Agents plugin supporting multiple LLMs

Stars: 250
Forks: 103
Open beginner issues: 1
Indexed issues: 42
Avg merge: 1d 19h
Merged PRs (30d): 23

Dominant language: Go
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

Open All

42 open issues indexed

MCP server: plugin callbacks (read_file, semantic search) fail with 401 on STDIO transport, and use a nonexistent /api/v1 path Open

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

mattermost/mattermost-plugin-agents#1038 · Opened Sep 19, 2026
🐛 bug: Gemini 3.x tool calls fail after search_tools due to missing thought_signature Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mattermost/mattermost-plugin-agents#1020 · Opened Sep 2, 2026
bug: Matty returns "An error occurred while accessing the LLM" when sending a message Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mattermost/mattermost-plugin-agents#1011 · Opened Aug 31, 2026
OpenAI Compatible streaming: SSE comment lines are silently skipped, so they never reset bifrost's per-chunk watchdog Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

mattermost/mattermost-plugin-agents#985 · Opened Aug 23, 2026
💡 idea: Embedding Search - qdrant support Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

mattermost/mattermost-plugin-agents#981 · Opened Aug 19, 2026
Clearing MCP tools cache does not update agent tool lists; Refresh Tools disabled during re-discovery Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

mattermost/mattermost-plugin-agents#965 · Opened Aug 7, 2026
Expose configured remote MCP servers through the external Mattermost MCP endpoint Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mattermost/mattermost-plugin-agents#928 · Opened Jul 27, 2026
Config changes not applied to the running plugin: in-memory LLM client keeps old service/agent config until full plugin disable/enable Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

mattermost/mattermost-plugin-agents#921 · Opened Jul 24, 2026
Enabled native tools silently force the Responses API over an explicit useResponsesAPI=false, breaking OpenAI-compatible backends Open

Difficulty 3/5 1-2 days Newbie friendliness 64/100

mattermost/mattermost-plugin-agents#920 · Opened Jul 24, 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
💡 idea: integration gimini Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

mattermost/mattermost-plugin-agents#895 · 1 comment · Opened Jul 20, 2026
[Bug] `openaicompatible` provider drops `content` from response when `reasoning_details[*].format` is `MiniMax-response-v1` (empty bot post, no error) Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

mattermost/mattermost-plugin-agents#870 · 1 comment · Opened Jul 5, 2026
[Bug] `openaicompatible` provider: model `dynamic/default` produces malformed chat-completions request (bifrost: `messages: Invalid input: expected array, received undefined`) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mattermost/mattermost-plugin-agents#869 · 1 comment · Opened Jul 5, 2026
🐛 bug: Using OVH API stopped working Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mattermost/mattermost-plugin-agents#784 · 2 comments · Opened May 27, 2026
🐛 bug: When using OpenAI responses API, images are no longer processed Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

mattermost/mattermost-plugin-agents#760 · Opened May 20, 2026
🐛 bug: Blank white screen when navigating to System Console after upgrading `mattermost-plugin-agents` to v2.0.3 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mattermost/mattermost-plugin-agents#744 · 10 comments · 4 reactions · Opened May 14, 2026
🐛 bug: Ai Agents Setup Error Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 28/100

mattermost/mattermost-plugin-agents#566 · Opened Mar 19, 2026
🐛 bug: Jira tool integration doesn't support public facing Jira DC instances using a path Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mattermost/mattermost-plugin-agents#562 · Opened Mar 17, 2026
The “Add an AI Service” Button Is Not Working Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mattermost/mattermost-plugin-agents#554 · 3 comments · Opened Mar 13, 2026
💡 idea: Add X-Mattermost-User header to pass username to MCP Server Open

enhancement

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

mattermost/mattermost-plugin-agents#528 · 1 comment · Opened Mar 4, 2026
🐛 bug: Agent Pane missing icon and empty Agents menu (index out of range) Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

mattermost/mattermost-plugin-agents#527 · Opened Mar 4, 2026
💡 idea: Add licence label to MCP support Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

mattermost/mattermost-plugin-agents#512 · 2 comments · Opened Feb 20, 2026
🐛 bug: Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mattermost/mattermost-plugin-agents#509 · Opened Feb 17, 2026
🐛 bug: OpenRouter not working as OpenAI-compatible Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mattermost/mattermost-plugin-agents#490 · 3 comments · 4 reactions · Opened Jan 29, 2026
💡 idea: 1.7.0+ Thread context compaction? Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

mattermost/mattermost-plugin-agents#486 · Opened Jan 24, 2026
Clarification on AI Actions support for "Entry" license SKU Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mattermost/mattermost-plugin-agents#480 · 3 comments · Opened Jan 18, 2026
🐛 bug: AI response in the chat is in JSON format Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mattermost/mattermost-plugin-agents#477 · 1 comment · Opened Dec 27, 2025
🐛 bug: OpenAI Responses API does not send model when using gpt-5-nano (400 Missing required parameter: 'model') Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

mattermost/mattermost-plugin-agents#476 · Opened Dec 17, 2025
🐛 bug: GPT-5 cannot read some PDFs with background and/or non-black text colors. Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mattermost/mattermost-plugin-agents#465 · Opened Dec 10, 2025
🐛 bug: Long LLM responses may exceed Mattermost's 16k characters limit Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mattermost/mattermost-plugin-agents#450 · 1 comment · Opened Nov 25, 2025
💡 idea: Add fault tolerance to embedding search indexing Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

mattermost/mattermost-plugin-agents#376 · 1 comment · Opened Aug 25, 2025
💡 idea: Add support for OpenAI Harmony format for GPT-OSS Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mattermost/mattermost-plugin-agents#374 · Opened Aug 14, 2025
💡 idea: Custom prompt in specific languages Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

mattermost/mattermost-plugin-agents#368 · 1 comment · 1 reaction · Opened Jul 31, 2025
💡 idea: Detailed instruction on how to enable and configure Embedding Search Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 42/100

mattermost/mattermost-plugin-agents#348 · 1 comment · 1 reaction · Opened Jun 16, 2025
💡 idea: Custom headers support for models API Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mattermost/mattermost-plugin-agents#343 · 1 comment · 1 reaction · Opened Jun 12, 2025
💡 idea: Groq support Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

mattermost/mattermost-plugin-agents#315 · 1 comment · Opened Apr 16, 2025
No Bots -> No visibility Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

mattermost/mattermost-plugin-agents#275 · Opened Jan 9, 2025
💡 idea: Enhace prompts choice and disable `{system}` placeholders Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

mattermost/mattermost-plugin-agents#267 · 1 reaction · Opened Dec 10, 2024
💡 idea: Add the temperature to the model parameters Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mattermost/mattermost-plugin-agents#252 · Opened Oct 14, 2024
🐛 bug: LaTeX is not rendered in AI responses Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mattermost/mattermost-plugin-agents#248 · 1 comment · 1 reaction · Opened Oct 6, 2024
🐛 bug: Hover state for AI menu inconsistant with other post menus Open

bug help wanted

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mattermost/mattermost-plugin-agents#183 · Opened May 14, 2024
Add better token counting Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mattermost/mattermost-plugin-agents#67 · 5 comments · Opened Aug 30, 2023

A short digest of beginner-friendly GitHub issues.