Fix a bug using test-driven development. An agent skill from MelbourneDeveloper/dart_node.

No licenceAuto-check: notesTesting & QA

Install Fix Bug

skills CLI
$ npx skills add MelbourneDeveloper/dart_node --skill fix-bug -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install MelbourneDeveloper/dart_node fix-bug --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/MelbourneDeveloper/dart_node.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/fix-bug .claude/skills/fix-bug && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
fix-bug
GitHub stars
113
Used in
1 other repo
Token cost
~709 tokens
SKILL.md length
408 words
Files
1
Skills in repo
15
Repo updated
First seen
Licence
None found

At a glance

Fix a bug using test-driven development. An agent skill from MelbourneDeveloper/dart_node.

  • Works in 7 steps: Understand the Bug → Write a Failing Test → Run the Test — Confirm It FAILS → …
  • The user reports a bug
  • SKILL.md covers Step 1: Understand the Bug, Step 2: Write a Failing Test, Step 3: Run the Test — Confirm… and Step 4: Show Failure to User, plus 4 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Fix Bug is an agent skill from MelbourneDeveloper/dart_node. Fix a bug using test-driven development. Use when the user reports a bug, describes unexpected behavior, wants to fix a defect, or says something is broken. Enforces a strict test-first workflow where a failing test must be written and verified before any fix is attempted.

Its SKILL.md is about 710 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Testing & QA, covering Test-driven development, Debugging and Failing and flaky tests. The repository describes itself as: Write your entire stack in Dart: React web apps, React Native mobile apps with Expo, and Node.js Express backends.

When your agent uses it

  • The user reports a bug
  • Describes unexpected behavior
  • Wants to fix a defect
  • Says something is broken

Example prompts

  • “/fix-bug”

Requirements

  • Pre-approved tools (allowed-tools): Read, Grep, Glob, Edit, Write, Bash

Workflow steps

7 steps, taken from the step headings in SKILL.md.

  1. Understand the Bug
  2. Write a Failing Test
  3. Run the Test — Confirm It FAILS
  4. Show Failure to User
  5. Fix the Bug
  6. Run the Test — Confirm It PASSES
  7. Run the Full Test Suite

What it can do on your machine

Read from SKILL.md and the folder at commit 5587886. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Grep
    • Glob
    • Edit
    • Write
    • Bash

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Fix Bug loads about 709 tokens when it runs. Until then it costs about 70 tokens; SKILL.md has 408 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~70
When it runs · the whole SKILL.md, loaded when a task matches
~709

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Read, Grep, Glob, Edit, Write, Bash

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 408 words (~709 tokens).

“You MUST follow this exact workflow. Do NOT skip steps. Do NOT fix the bug before writing a failing test.”

— opening of SKILL.md by MelbourneDeveloper
name
fix-bug
allowed-tools
Read, Grep, Glob, Edit, Write, Bash
argument-hint
[bug description]

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .claude/skills/fix-bug of MelbourneDeveloper/dart_node.

Open the folder on GitHubat commit 5587886

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in MelbourneDeveloper/dart_node, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Fix Bug next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Fix Bug compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Fix Bug this skillMelbourneDeveloper/dart_node1131 repos~709Automated safety check: NotesNone
Test Guidelinesgetsentry/sentry-react-native1.8k—~1.3kAutomated safety check: PassMIT
Test Guidelinesgetsentry/sentry-dart873—~3.1kAutomated safety check: PassMIT
Red Green FixComfy-Org/ComfyUI_frontend2.1k—~1.9kAutomated safety check: PassGPL-3.0
Opsmill Dev Test Driving Bugsopsmill/infrahub529—~4kAutomated safety check: PassApache-2.0
Bug FixEmeaAppGbb/spec2cloud100—~2kAutomated safety check: PassMIT

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Categories

Questions about Fix Bug

What does Fix Bug do?

Fix a bug using test-driven development. An agent skill from MelbourneDeveloper/dart_node. Fix Bug is an agent skill from MelbourneDeveloper/dart_node. Fix a bug using test-driven development.

When should I use Fix Bug?

Fix Bug fits situations like: the user reports a bug; describes unexpected behavior; wants to fix a defect; says something is broken.

How do I install Fix Bug in Claude Code?

Run `npx skills add MelbourneDeveloper/dart_node --skill fix-bug -a claude-code`. Or copy the skill folder (.claude/skills/fix-bug in MelbourneDeveloper/dart_node) into .claude/skills/fix-bug in your project. Claude Code loads it when a task matches its description.

How do I install Fix Bug in Codex?

Run `npx skills add MelbourneDeveloper/dart_node --skill fix-bug -a codex`. Or copy the skill folder (.claude/skills/fix-bug in MelbourneDeveloper/dart_node) into .agents/skills/fix-bug in your project. Codex loads it when a task matches its description.

Can I use Fix Bug in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add MelbourneDeveloper/dart_node --skill fix-bug -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/fix-bug, .gemini/skills/fix-bug, .github/skills/fix-bug and .opencode/skills/fix-bug in your project.

What does Fix Bug need to run?

SKILL.md names no scripts, command-line tools or credentials: Fix Bug is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Grep, Glob, Edit, Write, Bash.

Does Fix Bug access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Fix Bug safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Fix Bug use?

No licence was found for Fix Bug or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Fix Bug use?

About 709 tokens (SKILL.md is roughly 2.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Fix Bug?

Skills that share tags, products or a category with Fix Bug: Test Guidelines (getsentry/sentry-react-native, 1.8k stars), Test Guidelines (getsentry/sentry-dart, 873 stars), Red Green Fix (Comfy-Org/ComfyUI_frontend, 2.1k stars) and Opsmill Dev Test Driving Bugs (opsmill/infrahub, 529 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Fix Bug?

MelbourneDeveloper (a GitHub user) maintains it in MelbourneDeveloper/dart_node, which has 113 GitHub stars. The repository holds 15 skills in this directory. The repository was last updated on September 14, 2026.

Source: MelbourneDeveloper/dart_node on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.