Issues

• Consumer Microsoft account: MOS environment discovery returns 403 after successful Toolkit-client authentication

  needs attention
  OfficeDev/microsoft-365-agents-toolkit#16856 · Filter by author pan1255934653-dotcom opened on Oct 19, 2026
  2

• [Feature request] Update existing DCR configurations to enable personal Microsoft accounts (MSA)

  feature-request
  OfficeDev/microsoft-365-agents-toolkit#16840 · Filter by author HuihuiWu-Microsoft opened on Oct 15, 2026
  1

  

• Streaming: custom engine agent responses longer than 2 minutes can't be delivered in M365 Copilot

  OfficeDev/microsoft-365-agents-toolkit#16825 · Filter by author Mayank-Draup opened on Oct 13, 2026
  2

  

• oauth/register with isPKCEEnabled: true and no client secret creates a registration that is hidden from the Developer Portal's OAuth client registration list

  investigatingupstream
  OfficeDev/microsoft-365-agents-toolkit#16819 · Filter by author aapopajunen opened on Oct 12, 2026
  2

  

• MCP agent connector with DCR works in Copilot Cowork but returns "User does not have sufficient permissions" in Copilot Chat and Researcher

  needs more info
  OfficeDev/microsoft-365-agents-toolkit#16800 · Filter by author ankitjaggi opened on Oct 9, 2026
  2

  

• Enrich Copilot Studio Lite / Agent Builder agents in Agent Inventory using the Graph Package Management API

  OfficeDev/microsoft-365-agents-toolkit#16786 · Filter by author PeteSEC opened on Oct 7, 2026
  2

• [Bug] Authorization header appears to be added to Power Automate requests despite auth: None

  investigatingupstream
  OfficeDev/microsoft-365-agents-toolkit#16701 · Filter by author ungsdev opened on Sep 5, 2026
  7

  

• RemoteMCPServer runtime never calls the MCP server

  bugupstream
  OfficeDev/microsoft-365-agents-toolkit#16643 · Filter by author robbrowton opened on Aug 20, 2026
  11

  

• Office Add-in upstream drift: office-addin-wxpo-taskpane, office-addin-outlook-taskpane, office-addin-excel-customfunctions, office-addin-excel-cfshortcut

  copilot-upgradeoffice-addin-manifest-drift
  OfficeDev/microsoft-365-agents-toolkit#16624 · Filter by author github-actions opened on Aug 17, 2026
  

• MCP plugin: all 21 tools match but never get selected. It's the token budget, and nothing tells you that

  upstream
  OfficeDev/microsoft-365-agents-toolkit#16490 · Filter by author akhileshrangani4 opened on Jul 30, 2026
  2

  

• atk validate: a declarative agent with actions cannot be localized — "InvalidDeclarativeCopilotDocument: Failed to localize <agent name>"

  enhancementupstream
  OfficeDev/microsoft-365-agents-toolkit#16489 · Filter by author abdulkareemnalband opened on Jul 30, 2026
  6

  

• Allow dcr/register to resolve MCP OAuth metadata from ai-plugin.json at provision time

  feature-request
  OfficeDev/microsoft-365-agents-toolkit#16452 · Filter by author Alive-Fish opened on Jul 24, 2026
  4

  

• Unable to invoke app validation from agents toolkit for a declarative agent

  upstream
  OfficeDev/microsoft-365-agents-toolkit#16390 · Filter by author s-sridharan opened on Jul 20, 2026
  3

  

• teamsApp/zipAppPackage omits agentConnectors mcpToolDescription file, breaking validateAppPackage

  feature-request
  OfficeDev/microsoft-365-agents-toolkit#16379 · Filter by author swapnilbhalgat opened on Jul 19, 2026 · CY25Q3-2Wk08 (Jul 13 - Jul 26)
  11

  

• bug report: coordinator.NoActivatedGeneratorError

  OfficeDev/microsoft-365-agents-toolkit#16348 · Filter by author honest2727 opened on Jul 14, 2026
  2

  

• [VSC]remote debug for teams collaborator agent can't find the app

  upstream
  OfficeDev/microsoft-365-agents-toolkit#16332 · Filter by author HuihuiWu-Microsoft opened on Jul 13, 2026
  2

• Sometimes the “Add” app page does not appear in Teams local debug and remote debug

  upstream
  OfficeDev/microsoft-365-agents-toolkit#16308 · Filter by author HuihuiWu-Microsoft opened on Jul 8, 2026
  2

  

• DA + action from spec will write data endlessly

  bug
  OfficeDev/microsoft-365-agents-toolkit#16307 · Filter by author HuihuiWu-Microsoft opened on Jul 8, 2026
  1

  

• bug report: Metadata can become corrupted and requires manual clearing

  bug
  OfficeDev/microsoft-365-agents-toolkit#16245 · Filter by author neowenmsft opened on Jun 30, 2026
  5

  

• DCR not detected for MCP server despite valid /.well-known metadata

  upstream
  OfficeDev/microsoft-365-agents-toolkit#16135 · Filter by author Nitin2108 opened on Jun 11, 2026
  4

  

• Add --format json flag for machine-readable CLI output

  feature-requestP0
  OfficeDev/microsoft-365-agents-toolkit#15905 · Filter by author jiuqlo opened on May 12, 2026
  3

  

• bug report: AppStudioPlugin.PIr

  upstream
  OfficeDev/microsoft-365-agents-toolkit#15857 · Filter by author muzafar0101 opened on May 7, 2026
  2

  

• Meeting simulation support in Playground (send, accept, join calls)

  feature-request
  OfficeDev/microsoft-365-agents-toolkit#15841 · Filter by author tw4 opened on May 4, 2026
  2

  

• Support sharing advanced declarative agents with actions

  feature-requestupstream
  OfficeDev/microsoft-365-agents-toolkit#15836 · Filter by author russgove opened on Apr 30, 2026
  7

  

• PowerPoint Copilot Declarative Agent returning "Something went wrong" despite successful Office.js + API execution

  upstream
  OfficeDev/microsoft-365-agents-toolkit#15824 · Filter by author ShivanandArur opened on Apr 29, 2026
  2