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 Goldziher/ai-rulez --skill java-conventionsgit clone --depth 1 https://github.com/Goldziher/ai-rulezWrote 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/goldziher/ai-rulez/java-conventions)<a href="https://agentmods.dev/skills/goldziher/ai-rulez/java-conventions"><img src="https://agentmods.dev/badge/skills/goldziher/ai-rulez/java-conventions/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/goldziher/ai-rulez/java-conventions"><img src="https://agentmods.dev/badge/skills/goldziher/ai-rulez/java-conventions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00050 | $0.00353 |
| Opus 5.5 | $0.00020 | $0.00141 |
| Sonnet 5.5 | $0.00010 | $0.00071 |
| Haiku 4.5 | $0.00005 | $0.00035 |
Grade A, and why
java-conventions 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.
What it actually says
- Java 17+ LTS, records for immutable data, sealed classes for restricted hierarchies, pattern matching.
- A consistent style guide and auto-formatter (e.g., Google Java Style + google-java-format). Static analysis (e.g., Error Prone + SpotBugs).
- Build: Maven or Gradle with wrapper scripts (
mvnw/gradlew). Commit wrapper files. - Testing: JUnit 5 with
@ParameterizedTest, an assertion library (e.g., AssertJ), a coverage tool (e.g., JaCoCo) at 80%+. - Benchmarking: JMH for microbenchmarks — never use
System.nanoTime()loops. - Error handling: specific exceptions only, never
catch (Exception), use try-with-resources forAutoCloseable. varfor obvious types,Optional<T>for returns (never params/fields),finalfields by default.- Prefer constructor injection over field injection for DI. Immutable collections:
List.of(),Map.of(). - Streams for collection transforms,
instanceofpattern matching, switch expressions. - Security: OWASP
dependency-checkMaven/Gradle plugin for CVE scanning. - Dependencies: commit lock files, use BOM for version alignment, avoid
SNAPSHOTin releases. - Anti-patterns: public fields, mutable static state, raw types, checked exceptions in lambdas.
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 · 18 lines · 50 tokens per session scan A 7ae8a05a20cf
java-conventions is a skill published in the GitHub repository Goldziher/ai-rulez (163 stars, last pushed 2d ago), licensed MIT. It adds 50 tokens to every session and 353 once invoked, about $0.0002 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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