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/siva01c/claude-plugins/drupal-module-developmentnpx skills add siva01c/claude-plugins --skill drupal-module-developmentgit clone --depth 1 https://github.com/siva01c/claude-pluginsWhat 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 | $0.00029 | $0.00288 |
| Opus 5 | $0.00015 | $0.00144 |
| Sonnet 5 | $0.00006 | $0.00058 |
| Haiku 4.5 | $0.00003 | $0.00029 |
Grade A, and why
drupal-module-development 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 2d 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
Drupal Module Development Skill
Purpose
Use this skill when creating or extending custom Drupal 11 modules with modern architecture and maintainable code.
When to apply
- Building a new custom module in
web/modules/custom. - Adding services, event subscribers, forms, or controllers.
- Refactoring procedural logic to service-based design.
Workflow
- Scaffold the module structure (
.info.yml,.services.yml, routing, permissions). - Register dependencies through service definitions and constructor injection.
- Build controllers/forms/plugins using Drupal 11 APIs and strict typing.
- Add config schema for any custom configuration.
- Validate with Drush cache rebuild and config export.
Guardrails
- Avoid direct use of superglobals in business logic.
- Prefer dependency injection over static service locators.
- Keep schema, permissions, routes, and services documented and versioned.
- Do not modify Drupal core or contrib module code directly.
Quick command checklist
drush en <module_name> -y
drush cr
drush config:export -y
In a containerized environment, prefix with your runner (e.g. ddev drush … — see the ddev-tools plugin).
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.
- 2d ago First seen · 37 lines · 29 tokens per session scan A 79739cb00daa
drupal-module-development is a skill published in the GitHub repository siva01c/claude-plugins (16 stars, last pushed 1mo ago), licensed MIT. It adds 29 tokens to every session and 288 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 2026-08-30.
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