Play 16
Copilot Teams Extension
Medium🔧 Skeleton
M365 Copilot extension with Graph API, adaptive cards, and declarative agents.
Extend Microsoft 365 Copilot with custom skills. Declarative agents define what the copilot can do, Graph API provides organizational data, adaptive cards render rich interactive responses in Teams. App registration in Entra ID handles auth. Deploys to Teams, Outlook, and M365 Chat.
Architecture Pattern
Teams bot, copilot extension, adaptive cards, Graph integration
Azure Services
M365 CopilotGraph APIAzure FunctionsMicrosoft Entra (App Registration)
DevKit (.github Agentic OS)
- agent.md — root orchestrator with builder→reviewer→tuner handoffs
- 3 agents — Teams Builder (gpt-4o), Reviewer (gpt-4o-mini), Tuner (gpt-4o-mini)
- 3 skills — deploy (119 lines), evaluate (100 lines), tune (112 lines)
- 4 prompts — /deploy, /test, /review, /evaluate with agent routing
- .vscode/mcp.json — FrootAI MCP with Teams Bot ID + secret inputs + envFile
TuneKit (AI Config)
- config/teams.json — app manifest, adaptive cards
- config/graph.json — permissions, scopes
- config/agents.json — declarative agent config
Tuning Parameters
Declarative agent configGraph permissionsScoping rulesAdaptive card templates
Estimated Cost
Dev/Test
$40–100/mo
Production
$200–1K/mo