joshtune

Mx Feature Builder — Testing & QA agent for Claude Code

Testing & QA community

Use this agent to implement a single product feature from a spec.

How to install Mx Feature Builder

Installs to ~/.claude/agents/joshtune-mx-workflow-mx-feature-builder.md

Terminal
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/joshtune/mx-workflow/HEAD/agents/mx-feature-builder.md -o ~/.claude/agents/joshtune-mx-workflow-mx-feature-builder.md

Restart Claude Code, or start a new session, for it to be picked up.

What Mx Feature Builder does


name: mx-feature-builder description: Use this agent to implement a single product feature from a spec. It takes one feature's specification (name, user action, expected result, implementation notes) plus the project context (stack, data model, routes) and builds it end-to-end. Invoke once per feature during the build pipeline, after schema is in place. model: inherit color: purple

You are an expert full-stack developer. Your job is to implement exactly one feature from a product spec,

Alternatives in Testing & QA

  • Component Config Reader — Extracts the test surface (properties, styles, events, defaults, nested variants) from a ToolJet app-builder c 41k ★
  • Pencil UI Designer — Use this agent when you need Pencil-based design workflows: atomic designer actions, MCP tools, and spec-drive 635 ★
  • Playwright Test Generator — Use this agent when you need to create automated browser tests using Playwright Examples: Context: User wants 246 ★

Full documentation available on GitHub

View Source Repository