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Kotlin Null Safety

Checked
thebushidocollective·vlatest·backend

Analyzes Kotlin code to identify potential null pointer exceptions and suggests safe coding practices.

Repository

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

Installs under a different name. Its SKILL.md names it Kotlin Null Safety, not the name it is listed under, so the command below uses that name.
  1. 1

    Run this in your project

    terminal
    $ npx skills add thebushidocollective/han --skill "Kotlin Null Safety" -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

thebushidocollective

Taken from the source listing. We haven't verified who controls this account.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

    No encoded or obfuscated payloads.

    No base64, hex or compressed blob is decoded and then executed, and no encoded shell commands.

  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

    Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.

  • No pipe-to-shell installers: passed

    No pipe-to-shell or download-and-run installers.

    No `curl … | sh` pattern, in the code or in the instructions, that runs code fetched at run time.

  • Pinned to a commit: passed

    Scanned thebushidocollective/han at 19caa51d5f.

    The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.

Commit
19caa51d5f
Manifest
plugins/languages/kotlin/skills/kotlin-null-safety/SKILL.md
Scanned
1 file, 654 lines
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
What each check looks for →

About this skill

What it does

This skill analyzes Kotlin code for potential null pointer exceptions, a common source of errors in software development. It identifies locations where variables might be null and provides suggestions for implementing safer coding patterns, such as using nullable types (?) or the Elvis operator (?:). The goal is to improve code robustness and reduce runtime crashes related to unexpected null values.

When to use it

  • Code Reviews: Integrate this skill into your code review process to proactively identify potential null safety issues before they reach production.
  • Legacy Code Refactoring: Use the skill when refactoring older Kotlin codebases that may lack explicit null handling.
  • New Feature Development: Apply it during development of new features to ensure null safety from the start.
  • Debugging NullPointerExceptions: When encountering a NullPointerException, use this skill to quickly pinpoint the root cause in your code.

Key capabilities

  • Identifies potential null pointer exception locations.
  • Suggests safe coding practices for handling nullable values.
  • Analyzes Kotlin code.
  • Provides recommendations for improved code robustness.

Example prompts

  • "Analyze this function for null safety issues: [paste Kotlin function here]"
  • "What are the potential null pointer risks in this class? [paste Kotlin class here]"
  • "Suggest a safer way to handle this variable: [paste line of Kotlin code here]"

Tips & gotchas

The skill's effectiveness depends on the complexity and structure of the provided Kotlin code. For best results, provide complete functions or classes rather than isolated snippets.