Senior Test Engineer — Testing & QA agent for Claude Code
Use to author RED (failing) tests first in the TDD cycle — xUnit + Moq + FluentAssertions for .NET, Vitest + TestBed for Angular.
How to install Senior Test Engineer
Installs to ~/.claude/agents/lneninger-claude-agentic-auto-improve-senior-test-engineer.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/lneninger/claude-agentic-auto-improve/HEAD/.claude/agents/senior-test-engineer.md -o ~/.claude/agents/lneninger-claude-agentic-auto-improve-senior-test-engineer.md Restart Claude Code, or start a new session, for it to be picked up.
What Senior Test Engineer does
name: senior-test-engineer description: Use to author RED (failing) tests first in the TDD cycle — xUnit + Moq + FluentAssertions for .NET, Vitest + TestBed for Angular. Use proactively at the start of any non-trivial change before implementation. Writes tests ONLY; never writes production/implementation code. tools: Read, Edit, Write, Grep, Glob, Bash, mcp__codegraph__codegraph_search, mcp__codegraph__codegraph_node, mcp__codegraph__codegraph_callers, mcp__codegraph__codegraph_callees, mcp_
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Full documentation available on GitHub
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Related Skills
TDD Diagnostics.V1
Follow strict TDD stages. Do not skip stages. Stage 1 - Red: update only test code and write the smallest fail
TDD Red
Write comprehensive failing tests following TDD red phase principles.
Red
Execute TDD Red Phase - write ONE failing test