Your comprehensive resource for Microsoft Copilot extensibilityhttps://themanifest.dev/en-ushttps://themanifest.dev/blog/2026/03/why-pro-code-for-copilot-agents/https://themanifest.dev/blog/2026/03/why-pro-code-for-copilot-agents/Learn why production Copilot agents need pro-code tooling: source control, CI/CD, testing, and engineering discipline beyond low-code platforms.Mon, 09 Mar 2026 00:00:00 GMTagents-toolkitm365copilotdeclarative-agentsdeveloper-experiencehttps://themanifest.dev/blog/2026/03/cicd-pipelines-for-declarative-agents/https://themanifest.dev/blog/2026/03/cicd-pipelines-for-declarative-agents/Automate provisioning, deploying, and publishing declarative agents using GitHub Actions, Azure DevOps, and the Microsoft 365 Agents Toolkit CLI.Wed, 04 Mar 2026 00:00:00 GMTagents-toolkitm365copilotci-cddeclarative-agentshttps://themanifest.dev/blog/2026/02/environment-variables-in-agents-toolkit/https://themanifest.dev/blog/2026/02/environment-variables-in-agents-toolkit/Learn how environment variables, .env files, and multi-environment configuration work in the Microsoft 365 Agents Toolkit for declarative agents.Sat, 28 Feb 2026 00:00:00 GMTagents-toolkitm365copilotconfigurationdeclarative-agentshttps://themanifest.dev/blog/2026/02/publishing-and-governing-declarative-agents/https://themanifest.dev/blog/2026/02/publishing-and-governing-declarative-agents/Ship declarative agents to production in Microsoft 365 Copilot: admin approval, access control, staged rollouts, and governance best practices.Wed, 25 Feb 2026 00:00:00 GMTdeclarative-agentsm365copilotgovernancepublishinghttps://themanifest.dev/blog/2026/02/debugging-declarative-agent-failures/https://themanifest.dev/blog/2026/02/debugging-declarative-agent-failures/Troubleshoot the four most common declarative agent failure patterns in Microsoft 365 Copilot: from ignored APIs to auth errors and permission issues.Mon, 23 Feb 2026 00:00:00 GMTdeclarative-agentsm365copilotdebuggingtroubleshootinghttps://themanifest.dev/blog/2026/02/connected-agents-delegation-pattern/https://themanifest.dev/blog/2026/02/connected-agents-delegation-pattern/Learn how to scale your declarative agent with connected agents: delegate to specialist worker agents using a microservices architecture for AI assistants.Wed, 18 Feb 2026 00:00:00 GMTdeclarative-agentsm365copilotconnected-agentsarchitecturehttps://themanifest.dev/blog/2026/02/behavior-overrides-in-declarative-agents/https://themanifest.dev/blog/2026/02/behavior-overrides-in-declarative-agents/Configure behavior overrides in declarative agents to prioritize knowledge sources, reduce hallucination, and control follow-up suggestions in M365 Copilot.Wed, 11 Feb 2026 00:00:00 GMTdeclarative-agentsm365copilotbehavior-overridesconfigurationhttps://themanifest.dev/blog/2026/02/adding-disclaimers-to-declarative-agents/https://themanifest.dev/blog/2026/02/adding-disclaimers-to-declarative-agents/Add AI disclaimers to declarative agents to build user trust and satisfy compliance requirements. Includes full manifest config and writing tips.Mon, 09 Feb 2026 00:00:00 GMTdeclarative-agentsm365copilotdisclaimersgovernancehttps://themanifest.dev/blog/2026/02/mcp-servers-for-declarative-agents/https://themanifest.dev/blog/2026/02/mcp-servers-for-declarative-agents/Connect existing MCP servers to your declarative agents as plugins, with OAuth authentication, and let Copilot orchestrate them alongside knowledge sources.Fri, 06 Feb 2026 00:00:00 GMTdeclarative-agentsm365copilotmcpactionshttps://themanifest.dev/blog/2026/02/api-plugins-for-declarative-agents/https://themanifest.dev/blog/2026/02/api-plugins-for-declarative-agents/Connect your declarative agent to REST APIs using OpenAPI specs and API plugin manifests to read live data and take real actions with Microsoft 365 Copilot.Wed, 04 Feb 2026 00:00:00 GMTdeclarative-agentsm365copilotapi-pluginsactionshttps://themanifest.dev/blog/2026/01/grounding-with-web-search/https://themanifest.dev/blog/2026/01/grounding-with-web-search/Learn how to give your declarative agent access to external websites, from unscoped web search to curated site lists, and why scoping matters for quality results.Sun, 01 Feb 2026 00:00:00 GMTdeclarative-agentsm365copilotweb-searchknowledge-groundinghttps://themanifest.dev/blog/2026/01/grounding-with-teams-conversations/https://themanifest.dev/blog/2026/01/grounding-with-teams-conversations/Learn how to ground your declarative agent in Teams messages using the TeamsMessages capability to surface peer wisdom from group chats, 1:1 conversations, and channel threads.Fri, 30 Jan 2026 00:00:00 GMTdeclarative-agentsm365copilotteamsknowledge-groundinghttps://themanifest.dev/blog/2026/01/people-intelligence-in-declarative-agents/https://themanifest.dev/blog/2026/01/people-intelligence-in-declarative-agents/Add org chart awareness, colleague skills, and collaboration context to your declarative agent using the zero-config People capability.Wed, 28 Jan 2026 00:00:00 GMTdeclarative-agentsm365copilotpeoplecapabilitieshttps://themanifest.dev/blog/2026/01/grounding-with-graph-connectors/https://themanifest.dev/blog/2026/01/grounding-with-graph-connectors/Connect your declarative agent to structured data from HRIS systems, databases, and external platforms using Copilot connectors (formerly Graph connectors).Sun, 25 Jan 2026 00:00:00 GMTdeclarative-agentsm365copilotcopilot-connectorsknowledge-groundinghttps://themanifest.dev/blog/2026/01/grounding-with-email-and-shared-mailboxes/https://themanifest.dev/blog/2026/01/grounding-with-email-and-shared-mailboxes/Configure the Email capability to ground your declarative agent in personal mailboxes, shared mailboxes, and specific folders for precise, scoped answers.Fri, 23 Jan 2026 00:00:00 GMTdeclarative-agentsm365copilotemailknowledge-groundinghttps://themanifest.dev/blog/2026/02/image-generation-in-declarative-agents/https://themanifest.dev/blog/2026/02/image-generation-in-declarative-agents/Add image generation to your declarative agent using the GraphicArt capability for welcome cards and creative content.Tue, 20 Jan 2026 00:00:00 GMTdeclarative-agentsm365copilotimage-generationcapabilitieshttps://themanifest.dev/blog/2026/01/code-interpreter-for-declarative-agents/https://themanifest.dev/blog/2026/01/code-interpreter-for-declarative-agents/Enable Code Interpreter in your declarative agent for precise calculations, data analysis, and visualizations: all with a single line of JSON.Sun, 18 Jan 2026 00:00:00 GMTdeclarative-agentsm365copilotcode-interpretercapabilitieshttps://themanifest.dev/blog/2026/01/grounding-with-sharepoint-and-onedrive/https://themanifest.dev/blog/2026/01/grounding-with-sharepoint-and-onedrive/Connect your declarative agent to SharePoint document libraries for cited, grounded answers with automatic permission enforcement.Fri, 16 Jan 2026 00:00:00 GMTdeclarative-agentsm365copilotsharepointknowledge-groundinghttps://themanifest.dev/blog/2026/01/embedded-knowledge-in-declarative-agents/https://themanifest.dev/blog/2026/01/embedded-knowledge-in-declarative-agents/Learn how to bundle documents directly in your declarative agent's app package using the EmbeddedKnowledge capability: no SharePoint or cloud storage required.Tue, 13 Jan 2026 00:00:00 GMTdeclarative-agentsm365copilotembedded-knowledgecapabilitieshttps://themanifest.dev/blog/2026/01/designing-conversation-starters/https://themanifest.dev/blog/2026/01/designing-conversation-starters/Create conversation starters that showcase your declarative agent's capabilities and guide users to high-value interactions from the very first message.Sun, 11 Jan 2026 00:00:00 GMTdeclarative-agentsm365copilotagents-toolkituxhttps://themanifest.dev/blog/2026/01/crafting-effective-agent-instructions/https://themanifest.dev/blog/2026/01/crafting-effective-agent-instructions/Master the 5-part instruction framework that turns a generic declarative agent into a purpose-built AI assistant, with real examples from Zava Insurance.Thu, 08 Jan 2026 00:00:00 GMTdeclarative-agentsm365copilotagents-toolkitinstructionshttps://themanifest.dev/blog/2026/01/scaffolding-your-first-declarative-agent/https://themanifest.dev/blog/2026/01/scaffolding-your-first-declarative-agent/Learn how to scaffold your first declarative agent using the Agents Toolkit: from project creation to a working deploy in minutes.Tue, 06 Jan 2026 00:00:00 GMTdeclarative-agentsm365copilotagents-toolkitgetting-startedhttps://themanifest.dev/blog/2026/01/what-are-declarative-agents/https://themanifest.dev/blog/2026/01/what-are-declarative-agents/Understand what declarative agents are, how they work, and when to use them: the foundational guide to building AI agents for Microsoft 365 Copilot.Mon, 05 Jan 2026 00:00:00 GMTcopilotdeclarative-agentsm365extensibilitygetting-startedhttps://themanifest.dev/blog/2026/01/welcome-to-the-manifest/https://themanifest.dev/blog/2026/01/welcome-to-the-manifest/Introducing The Manifest, a blog dedicated to Microsoft 365 Copilot extensibility, declarative agents, and the hidden gem of the M365 platform.Sat, 03 Jan 2026 00:00:00 GMTcopilotdeclarative-agentsextensibilitym365getting-started