jspecify-skill

Use this skill when asked to perform any of the following actions in a Java project: - To add jspecify support - To prevent NullPointerExceptions - To better handle Nullability This skill will add jspecify dependency, configure Maven or Gradle build to automatically use jspecify for checking Nullability issues.

3.03x

Quality

77%

Does it follow best practices?

Impact

100%

3.03x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./skills/jspecify/SKILL.md

Evaluation results

100%

Add Null Safety to a Maven Java Service

Maven jspecify configuration

Criteria

Without context

With context

jspecify dependency present

100%

jspecify version 1.0.0

100%

compiler plugin version

100%

compiler release 25

100%

fork true

100%

NullAway compiler arg

100%

compilePolicy arg

100%

JDK add-exports args

100%

JDK add-opens args

100%

error_prone_core processor

100%

nullaway processor

100%

package-info for userservice

100%

package-info for model subpackage

100%

Enforce Null Safety in a Gradle Java Library

Gradle jspecify configuration

Criteria

Without context

With context

errorprone plugin applied

100%

errorprone plugin version

100%

jspecify implementation dep

100%

error_prone_core errorprone dep

100%

nullaway errorprone dep

100%

disableAllChecks true

100%

NullAway as error

100%

OnlyNullMarked option

100%

JSpecifyMode option

100%

release set to 25

100%

package-info strings package

100%

package-info format subpackage

100%

Complete Null-Safety Annotation Coverage for a Java Project

package-info.java and verify script

Criteria

Without context

With context

catalog package-info updated

100%

existing content preserved

100%

repository package-info created

100%

service package-info created

100%

service dto package-info created

100%

correct package declarations

100%

verify script executed

100%

verify script passes

100%

changes documented

100%

Repository: sivaprasadreddy/sivalabs-agent-skills
Commit: ab6386d

Evaluated: 16 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Add Null Safety to a Maven Java Service Enforce Null Safety in a Gradle Java Library Complete Null-Safety Annotation Coverage for a Java Project

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