Microsoft 365 Agents SDK is a software toolkit for building AI agents that can communicate through channels such as Microsoft 365 Copilot, Teams, web apps, and custom applications. Developers use it to add state, storage, event handling, and channel-specific behavior while choosing their own AI services and models. The catalogue entries are skills and plugins for working with this SDK.
Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/microsoft/Agentsnpx agentmods add skills/microsoft/agents/agents-sdk-typescript-otelWrote 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/agents/agents-sdk-typescript-otel)<a href="https://agentmods.dev/skills/microsoft/agents/agents-sdk-typescript-otel"><img src="https://agentmods.dev/badge/skills/microsoft/agents/agents-sdk-typescript-otel/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/agents/agents-sdk-typescript-otel"><img src="https://agentmods.dev/badge/skills/microsoft/agents/agents-sdk-typescript-otel.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Privilege Escalation · line 209 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
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 | $0.00088 | $0.03686 |
| Opus 5.5 | $0.00035 | $0.01474 |
| Sonnet 5.5 | $0.00018 | $0.00737 |
| Haiku 4.5 | $0.00009 | $0.00369 |
Grade A, and why
agents-sdk-typescript-otel 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 — 456 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OpenTelemetry for Agents SDK (JavaScript/TypeScript)
Goal
Configure traces, metrics, and logs for an Agents SDK application, including the SDK's built-in telemetry and a local Aspire Dashboard. Make the smallest complete change that fits the project's module system, build process, package manager, and existing observability architecture.
Non-negotiable rules
- Inspect the project before editing. Extend an existing OpenTelemetry SDK registration instead of creating a second global provider.
- Start the OpenTelemetry SDK before importing the Agents SDK, HTTP, Express,
or the application entry point. Preload instrumentation with Node's
--importor--requireoption. - Use a stable application-specific
service.name. - Let OTLP exporters read standard environment variables. Never embed collector credentials, API keys, or connection strings in source.
- Do not force all OpenTelemetry packages to the same version. The JavaScript
package family intentionally mixes stable API/SDK versions and
0.xexporter/instrumentation versions. Install a compatible set together and preserve the lockfile. - Never add message text, prompts, responses, tokens, authorization headers, cookies, secrets, attachment contents, user names, user IDs, conversation IDs, activity IDs, or arbitrary HTTP headers to custom telemetry by default.
- Keep custom metric attributes low-cardinality. Good dimensions include route type, activity type, channel ID, operation, status, and error type.
- Do not configure always-on sampling as a production default. Honor
OTEL_TRACES_SAMPLERandOTEL_TRACES_SAMPLER_ARG. - Explicitly flush telemetry during shutdown. Do not silently ignore exporter or shutdown errors.
- Aspire Dashboard anonymous mode is local-development only. Bind it to loopback and never deploy that configuration.
- Telemetry must record and rethrow application errors, not swallow them.
Workflow
Complete these steps in order.
1. Inspect the application
What ships with it
2 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 · 456 lines · 88 tokens per session scan A 0143fe086e7c
agents-sdk-typescript-otel is a skill published in the GitHub repository microsoft/Agents (1,089 stars, last pushed today), licensed MIT. It adds 88 tokens to every session and 3,686 once invoked, about $0.0004 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 2026-08-30.
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