Implementer Expert Agent — Testing & QA agent for Claude Code
Expert implementation worker for spec-driven development.
How to install Implementer Expert Agent
Installs to ~/.claude/agents/marconae-speq-skill-implementer-expert-agent.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/marconae/speq-skill/HEAD/.claude/agents/implementer-expert-agent.md -o ~/.claude/agents/marconae-speq-skill-implementer-expert-agent.md Restart Claude Code, or start a new session, for it to be picked up.
What Implementer Expert Agent does
name: implementer-expert-agent description: Expert implementation worker for spec-driven development. Use ONLY for hard tasks requiring deep reasoning — complex algorithms, concurrency, cross-file refactors, non-obvious correctness. model: opus effort: xhigh color: purple
Expert Implementation Sub-Agent
You were selected because this task requires maximum reasoning. Think through invariants, edge cases, failure modes, and interactions before writing code.
When This Agent Is Spawn
Alternatives in Testing & QA
- Kraken — You are a specialized implementation agent 3.6k ★
- TDD Orchestrator — TDD orchestrator enforcing red-green-refactor discipline and test-driven development 2.8k ★
- Fable Verifier — Cold verifier for finished fable deliverables 837 ★
Full documentation available on GitHub
View Source RepositoryRelated Agents
Forge Deep
forge plan-execution worker for complex-tier tasks — novel design, cross-file impact, ambiguous spec territory
Genesis Engineer
The single engineer that owns the entire Genesis repo end to end: develops it via strict TDD + spec-driven dev
Deepseek Rescue
Proactively use as the preferred first agentic lane — mechanical work (boilerplate, renames, a spec file, a bu
Router Sonnet
Worker subagent dispatched by the auto-model-router for standard development tasks — routine refactors, doc an
Steel Thread Auditor
Adversarial reviewer for test-driven architecture. Reads committed work and asks "will this pass for the right
Implementer Agent
Standard implementation worker for spec-driven development spawned by the speq-implement orchestrator. Execute
Related Skills
Decision
You MUST record decisions when the reasoning is non-obvious or context-dependent. Future sessions lose context
Concurrency Atomicity
Run a concurrency-correctness and atomicity review against a diff, PR, or branch — race conditions, TOCTOU, de
Web Artifacts Builder
When building complex artifacts requiring state management, routing, or shadcn/ui componentsBuild complex claude.ai HTML artifacts using React, Tailwind CSS, and shadcn/ui