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 Cumulocity-IoT/cumulocity-skills --skill c8y-architect-microservice-chassis-advisorgit clone --depth 1 https://github.com/Cumulocity-IoT/cumulocity-skillsWrote 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/cumulocity-iot/cumulocity-skills/c8y-architect-microservice-chassis-advisor)<a href="https://agentmods.dev/skills/cumulocity-iot/cumulocity-skills/c8y-architect-microservice-chassis-advisor"><img src="https://agentmods.dev/badge/skills/cumulocity-iot/cumulocity-skills/c8y-architect-microservice-chassis-advisor/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/cumulocity-iot/cumulocity-skills/c8y-architect-microservice-chassis-advisor"><img src="https://agentmods.dev/badge/skills/cumulocity-iot/cumulocity-skills/c8y-architect-microservice-chassis-advisor.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 | $0.00102 | $0.02448 |
| Opus 5.5 | $0.00041 | $0.00979 |
| Sonnet 5.5 | $0.00020 | $0.00490 |
| Haiku 4.5 | $0.00010 | $0.00245 |
Grade A, and why
c8y-architect-microservice-chassis-advisor 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 — 111 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cumulocity Microservice Chassis Advisor
When to Use
Invoke this skill whenever someone asks:
- "Which chassis / framework should I use for my Cumulocity microservice?"
- "Should I use NestJS, Spring Boot, .NET, or Python for my microservice?"
- "What is the best stack for a Cumulocity microservice?"
- "Help me choose between the available Cumulocity SDKs."
- Questions about trade-offs between NestJS, Nitro, Spring Boot, .NET Generic Host, or Python + FastAPI in the Cumulocity context.
Procedure
Step 1 — Gather Requirements
Ask (or infer from context) the following. You do not need all answers; work with what is available.
| # | Question | Why it matters |
|---|---|---|
| 1 | What is the primary use case? (e.g. ERP bridge, SCADA agent, data pipeline, platform extension, analytics) | Narrows the shortlist immediately |
| 2 | What is the team's primary tech stack? (TypeScript / Java / C# / Python / mixed) | Skill-fit is the strongest single factor |
| 3 | Is official Cumulocity SDK support a hard requirement? | Only Spring Boot + Java SDK is officially supported |
| 4 | What are the expected load characteristics? (low/bursty, medium/steady, high-throughput, mega-fleet) | Impacts runtime, footprint, and concurrency model |
| 5 | Are there resource / cost constraints on the deployment? (e.g. tight memory limits, edge deployment) | Favours Nitro or .NET AOT |
| 6 | Is AI / ML / data processing part of the microservice logic? | Strongly favours Python |
| 7 | Is this a rapid PoC or a long-lived production service? | PoC → Nitro or Python; production → NestJS, Spring Boot, or .NET |
| 8 | Are there enterprise governance requirements (e.g. auditability, support SLAs, supply-chain policies)? | Favours officially backed frameworks |
Step 2 — Evaluate Against the Decision Matrix
Score the shortlisted options against the criteria below.
Rating: 🟢 High / Excellent | 🟡 Medium / Good | 🔴 Low / Limited
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.
- 1mo ago First seen · 111 lines · 102 tokens per session scan A f66d69c7b397
c8y-architect-microservice-chassis-advisor is a skill published in the GitHub repository Cumulocity-IoT/cumulocity-skills (5 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 102 tokens to every session and 2,448 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 2026-08-31.
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