CtrlK
BlogDocsLog inGet started
Tessl Logo

building-native-image

Build and troubleshoot GraalVM Native Image applications. Use this skill to build Java applications with GraalVM Native Image, configure CLI options, or resolve build or runtime issues.

71

Quality

86%

Does it follow best practices?

Run evals on this skill

Adds up to 20 points to the overall score

View guide

SecuritybySnyk

Passed

No findings from the security scan

SKILL.md
Quality
Evals
Security

Quality

Content

86%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

A concise, well-structured skill body that defers detail to two clearly-signaled reference files and gives concrete build/run commands. It is slightly held back by an implicit javac step and no explicit post-build verification checkpoint.

Suggestions

Make step 1 explicit with an example command (e.g. `javac MyApp.java`) so the build sequence is fully copy-paste ready.

Add a brief verify/run checkpoint after the native-image build (e.g. confirm the executable runs and check exit status) to strengthen the workflow feedback loop.

Include one short inline example of a common native-image CLI flag before pointing to native-image-options.md, so users can resolve simple cases without opening the reference.

DimensionReasoningScore

Conciseness

The body is lean: short prerequisite note, a numbered build/run sequence with minimal commands, and pointer sections to reference files, with no padding or re-explanation of concepts Claude already knows.

5 / 5

Actionability

Provides concrete executable commands ('$JAVA_HOME/bin/native-image <app-name>', './app-name', 'javac', '-cp') plus a real troubleshooting bullet list, but step 1 leaves javac invocation implicit and the options section defers entirely to a reference without a concrete example.

4 / 5

Workflow Clarity

The build/run sequence is clearly numbered with a fallback (-cp) checkpoint, and troubleshooting routes specific errors to a reference; minor gap is the absence of an explicit verify/run-after-build validation step beyond 'run the executable'.

4 / 5

Progressive Disclosure

Overview body stays concise and splits detail into two real, one-level-deep reference files (reachability-metadata.md, native-image-options.md) that are clearly signaled both inline and in a Reference Files table, with no nesting.

5 / 5

Total

18

/

20

Passed

Description

87%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A strong, well-scoped description that clearly states capabilities and triggers tied to the GraalVM Native Image niche. It answers both 'what' and 'when' explicitly and stays distinct from adjacent skills.

DimensionReasoningScore

Specificity

Names the domain and several concrete actions ('build', 'troubleshoot', 'configure CLI options', 'resolve build or runtime issues'), giving good coverage with only minor gaps such as missing specifics on what 'configure' entails.

4 / 5

Completeness

Explicitly answers 'what' (build, troubleshoot, configure, resolve) and 'when' via a clear 'Use this skill to...' clause with concrete trigger scenarios, matching the score-5 anchor closely.

5 / 5

Trigger Term Quality

Includes natural user-facing terms like 'GraalVM Native Image', 'build Java applications', 'configure CLI options', and 'build or runtime issues'; missing some synonyms or common variants but generally strong keyword coverage.

4 / 5

Distinctiveness Conflict Risk

The narrow 'GraalVM Native Image' niche with distinct, domain-specific triggers gives it a clear activation lane with minimal overlap risk against general Java or build skills.

5 / 5

Total

18

/

20

Passed

Validation

100%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
oracle/graal
Reviewed

Table of Contents

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.