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Deno Debugger

Listed
willkelly·vlatest·backend

This Deno Debugger skill helps you step through and inspect your Deno code in real-time, speeding up development and troubleshooting.

Repository

Install on your platform

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

  1. 1

    Run this in your project

    terminal
    $ npx skills add willkelly/deno-debug-skill --skill deno-debugger -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

willkelly

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 failed 1 of 6 checks. A failure is not proof of bad intent; it means something in the code needs a human to look at it before you run it.

  • No undeclared network calls: failed

    Contacts 2 hosts that are neither well-known infrastructure nor declared in the skill's frontmatter: deno.land, www.speedscope.app.

    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.

    Hosts contacted

    deno.landundeclaredwww.speedscope.appundeclared

    What it found (3 of 6)

    • deno-debugger/scripts/breadcrumbs_test.ts:5contacts deno.land
      import { assertEquals, assertExists } from "https://deno.land/[email protected]/assert/mod.ts";
    • deno-debugger/scripts/deps.ts:11contacts deno.land
      } from "https://deno.land/[email protected]/assert/mod.ts";
    • deno-debugger/scripts/deps.ts:14contacts deno.land
      export { parseArgs } from "https://deno.land/[email protected]/cli/parse_args.ts";

  • 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 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 willkelly/deno-debug-skill at 799e9aab73.

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

Commit
799e9aab73
Manifest
deno-debugger/SKILL.md
Scanned
14 files, 4,194 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 provides debugging capabilities for Deno applications. It allows you to step through code, inspect variables, and set breakpoints within a Deno environment. This facilitates identifying and resolving issues in your Deno projects more effectively than relying solely on print statements or error logs.

When to use it

  • Troubleshooting runtime errors: When encountering unexpected behavior or crashes in a Deno application, this skill can help pinpoint the exact location of the problem.
  • Understanding complex code: Stepping through unfamiliar Deno codebases allows for better comprehension of logic flow and variable interactions.
  • Debugging asynchronous operations: Deno's asynchronous nature can be challenging to debug; this skill provides tools to trace execution across async functions and promises.
  • Validating algorithm correctness: When developing algorithms or complex calculations in Deno, use the debugger to verify that each step produces the expected results.

Key capabilities

  • Stepping through code line by line
  • Inspecting variable values at runtime
  • Setting breakpoints to pause execution
  • Debugging asynchronous functions and promises

Example prompts

  • "Debug my Deno application and tell me what's happening on line 25."
  • "Set a breakpoint in main.ts when the x variable is greater than 10."
  • "Step through this function to understand how it calculates the result."

Tips & gotchas

  • Requires familiarity with Deno and its syntax. The debugger's effectiveness depends on understanding the code being debugged.