Microsoft Build 2026 DEM332 is a demonstration repository showing how to turn an existing web application into a Microsoft Teams agent. It guides developers through inspecting a server, adding Teams bot support, registering a messaging endpoint, updating the app registration, and producing an onboarding link with the Teams Developer CLI and coding agents. The catalogue add-ons support the workflow demonstrated in the repository.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add microsoft/Build26-DEM332-from-zero-to-teammate-in-25-minutes-build-a-teams-agent-live --skill teams-devgit clone --depth 1 https://github.com/microsoft/Build26-DEM332-from-zero-to-teammate-in-25-minutes-build-a-teams-agent-liveWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/microsoft/build26-dem332-from-zero-to-teammate-in-25-minutes-build-a-teams-agent-live/teams-dev)<a href="https://agentmods.dev/skills/microsoft/build26-dem332-from-zero-to-teammate-in-25-minutes-build-a-teams-agent-live/teams-dev"><img src="https://agentmods.dev/badge/skills/microsoft/build26-dem332-from-zero-to-teammate-in-25-minutes-build-a-teams-agent-live/teams-dev/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/microsoft/build26-dem332-from-zero-to-teammate-in-25-minutes-build-a-teams-agent-live/teams-dev"><img src="https://agentmods.dev/badge/skills/microsoft/build26-dem332-from-zero-to-teammate-in-25-minutes-build-a-teams-agent-live/teams-dev.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00082 | $0.01084 |
| Opus 5.5 | $0.00033 | $0.00434 |
| Sonnet 5.5 | $0.00016 | $0.00217 |
| Haiku 4.5 | $0.00008 | $0.00108 |
Grade A, and why
teams-dev scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 134 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Teams Bot Development & Infrastructure
This skill helps you create and manage Microsoft Teams bots using the Teams Developer CLI. Covers both bot application development (creating bot code) and infrastructure management (bot registration, SSO, credentials).
IMPORTANT: Use information and guidance provided within this skill and its reference guides. You may also use external public documentation only when it is explicitly linked from this skill or those guides. Do NOT perform arbitrary web searches or rely on unlisted external sources.
Workflow Routing
Based on the user's request, route to the appropriate guide or handle directly:
Complex Workflows (Use References)
Creating bot application code:
- Read and follow the Bot Application Development guide
- This covers: Scaffolding a new bot project with
teams project new(TypeScript/C#/Python, templates, connecting to infrastructure)
Integrating Teams into an existing server:
- Read and follow the Integrate Existing Server guide
- This covers: Adding Teams bot functionality to an existing server using built-in adapters (ExpressAdapter for TypeScript, FastAPIAdapter for Python) or a custom adapter for any framework
Setting up bot infrastructure (Teams-managed bot & credentials):
- Read and follow the Bot Infrastructure Setup guide
- This covers: Prerequisites → Create Teams-managed bot → Save credentials → Verify
Setting up SSO authentication:
- Read and follow the SSO Setup guide
- This covers: Bot migration → AAD app configuration → OAuth connection → Manifest update → Verification
- Prerequisites: Existing bot (teamsAppId, botId), az CLI authenticated
Troubleshooting errors:
- Read the Troubleshooting guide
- Covers: Sideloading issues, auth errors, SSO problems, migration issues
What ships with it
5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago First seen · 134 lines · 82 tokens per session scan A b94a5415fe8d
teams-dev is a skill published in the GitHub repository microsoft/Build26-DEM332-from-zero-to-teammate-in-25-minutes-build-a-teams-agent-live (5 stars, last pushed 2mo ago), licensed MIT. It adds 82 tokens to every session and 1,084 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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