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 agentmods add skills/monkilabs/opencastle/teamsnpx skills add monkilabs/opencastle --skill teamsgit clone --depth 1 https://github.com/monkilabs/opencastleWrote 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/monkilabs/opencastle/teams)<a href="https://agentmods.dev/skills/monkilabs/opencastle/teams"><img src="https://agentmods.dev/badge/skills/monkilabs/opencastle/teams.svg" alt="Measured on agentmods" 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 | $0.00041 | $0.00573 |
| Opus 5 | $0.00020 | $0.00287 |
| Sonnet 5 | $0.00008 | $0.00115 |
| Haiku 4.5 | $0.00004 | $0.00057 |
Grade A, and why
teams-notifications 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 4d 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.
What it actually says
Teams Notifications
MCP Server
URL: https://mcp.microsoft365.com/mcp. Auth: OAuth 2.0 (Azure AD, scopes: Chat.ReadWrite, ChannelMessage.Send).
MCP Tools
Covers chats, messages, channels, members, and settings.
Example MCP calls
Post a progress update:
// tool: teams_messages_create
{ "channel_id": "channel-xyz", "body": "🔄 TAS-42 — In progress — implementing unit tests\nFiles: 3 (PriceFilter.tsx, test, index)" }
Read replies in thread:
// tool: teams_messages_list_replies
{ "channel_id": "channel-xyz", "thread_id": "thread-abc", "limit": 50 }
Human-in-the-Loop Approval
- Post approval request — verify the response confirms message_id:
// tool: teams_messages_create
{ "channel_id": "channel-xyz", "body": "⏳ Approval Required\nTask: TAS-42 — Run migration on production\nReply: Approve or Reject", "threading": { "start_thread": true } }
// → { "message_id": "msg-123", "thread_id": "thread-abc" }
If post fails: retry once; if still failing, fall back to asking in chat only.
- Poll for response (5s interval, 5 min timeout):
const replies = await teams_messages_list_replies({ channel_id: channelId, thread_id: threadId, limit: 50 });
for (const r of replies || []) {
if (/\b(approve|yes)\b/i.test(r.body)) return 'approved';
if (/\b(reject|no)\b/i.test(r.body)) return 'rejected';
}
// Retry after 5s; timeout after 5 min → post escalation message
- Acknowledge — Post confirmation of the action taken and close the thread.
Channel & Chat Conventions
Threading Rules
- Always reply in threads; one thread per task; include tracker issue ID in every message.
Message Formatting
Adaptive Cards and advanced payloads
Use Adaptive Cards when structured inputs or buttons are required; otherwise post a simple threaded message.
What ships with it
1 file 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.
- 4d ago First seen · 72 lines · 41 tokens per session scan A 039501777365
teams-notifications is a skill published in the GitHub repository monkilabs/opencastle (61 stars, last pushed 6d ago), licensed MIT. It adds 41 tokens to every session and 573 once invoked, about $0.0002 per session on Opus 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 2026-08-30.
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