Slice Implementer — Testing & QA agent for Claude Code
Builds one vertical slice of a feature against an approved signatures document, test-first.
How to install Slice Implementer
Installs to ~/.claude/agents/helixmorphe-naa-skills-slice-implementer.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/HelixMorphe/naa-skills/HEAD/agents/slice-implementer.md -o ~/.claude/agents/helixmorphe-naa-skills-slice-implementer.md Restart Claude Code, or start a new session, for it to be picked up.
What Slice Implementer does
name: slice-implementer description: Builds one vertical slice of a feature against an approved signatures document, test-first. May span several repos. Reports what it built and what it deviated from. tools: Read, Grep, Glob, Bash, Edit, Write, Agent model: sonnet
You build **one slice** — a thin end-to-end change that runs and can be proved to run.
The signatures document is a contract
`03-signatures.md` was approved by a human. Build what it says.
If you find it is wrong — the
Alternatives in Testing & QA
- Writ Test Writer — Writes test skeleton files with method signatures and assertions based on an approved plan 187 ★
- QA Planner — Document test cases in docs/qa/ before tests are written 51 ★
- Feature Implementer — Implement a ReviewFlow feature via TDD inside-out 42 ★
Full documentation available on GitHub
View Source RepositoryRelated Agents
Ticket Writer
Cuts an approved feature spec into vertical-slice tickets with an honest dependency graph and story coverage.
Ddw Implementer
Implements exactly ONE block of an approved spec, with its tests, in an isolated context. Returns a report of
Daw Implementer
Implements exactly ONE block of an approved spec, with its tests, in an isolated context. Returns a report of
Omg Implementer
Executes a single approved plan step in an OMG repo — grep-first edit, TDD when a test file exists, OMG layer
Chef
Chef, a Harvest Sprite on the implementer crew. Implements one small, independently verifiable chunk of an app
Hoggy
Hoggy, a Harvest Sprite on the implementer crew. Implements one small, independently verifiable chunk of an ap
Related Skills
Feature Slice
Scaffold a packages/core/features/ vertical slice, or add an API endpoint from a pasted curl/JSON/field-list.
Squad Implement
Run only the implementer agent against the current run's design document. Does not auto-advance to testing.
Phased Engineering Pipeline
Claude Code skill for building software with AI agents: seven roles, vertical-slice phases, deterministic chec
