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 caravanglory/magehub --skill module-digit clone --depth 1 https://github.com/caravanglory/magehubWrote 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/caravanglory/magehub/module-di)<a href="https://agentmods.dev/skills/caravanglory/magehub/module-di"><img src="https://agentmods.dev/badge/skills/caravanglory/magehub/module-di.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 5.1 | $0.00024 | $0.02136 |
| Opus 5 | $0.00012 | $0.01068 |
| Sonnet 5 | $0.00005 | $0.00427 |
| Haiku 4.5 | $0.00002 | $0.00214 |
Grade A, and why
module-di 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 7d 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 — 271 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Dependency Injection
Activation
Use When
- The task is to configure or review Magento dependency injection: preferences, type arguments, virtual types, proxies, factories, or area-scoped di.xml.
- The task mentions ObjectManager, constructor injection, circular dependencies, generated proxies, or di.xml compile errors.
Do Not Use When
- The task is only to create the initial module registration files with no DI wiring.
- The task is a plugin/interceptor change where module-plugin provides the specific guidance.
Required Inputs
- Target class/interface, intended implementation, area scope, constructor argument names, and whether dependencies are expensive or optional.
- Relevant compile/runtime error when troubleshooting DI failures.
Workflow
- Inspect constructor signatures, existing di.xml scopes, module sequence, and generated error messages before editing DI configuration.
- Prefer constructor-injected interfaces and narrow area-scoped configuration over broad global preferences.
- Use virtual types for argument variations and proxies/factories for expensive or conditional dependencies.
- Run compile or targeted tests after changing constructor signatures or DI XML.
Guardrails
- Do not add direct ObjectManager calls in services, models, controllers, observers, or tests.
- Do not create global preferences for core interfaces without checking blast radius and existing project conventions.
- Ask before replacing a core preference or changing DI for checkout, payment, customer auth, or catalog price flows. (approval required)
Verification
- Run bin/magento setup:di:compile or the project wrapper after DI XML or constructor changes.
- Run targeted unit tests for services whose constructor dependencies changed.
- When fixing compile errors, include the original error and the command proving it is resolved.
Output Contract
- Report each preference, virtual type, proxy, factory, or constructor signature changed and its area scope.
- State the compile/test command run and any remaining DI risk.
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.
- 7d ago First seen · 271 lines · 24 tokens per session scan A ac90d8130b2f
module-di is a skill published in the GitHub repository caravanglory/magehub (2 stars, last pushed 2mo ago), licensed MIT. It adds 24 tokens to every session and 2,136 once invoked, about $0.0001 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 2026-08-31.
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