refine

Unified specification refinement plugin. Single entry point for all spec operations: greenfield architecture pipelines (principles → design → stack → spec → plan), feature spec creation in existing systems, iterative convergence loops, quality reviews, drift detection, finalization, ticket decomposition, traceable updates, and lifecycle archival. Detects pipeline state from existing artifact frontmatter and routes intelligently. Use whenever you need to create, refine, validate, or evolve a technical specification.

8 stars

Best use case

refine is best used when you need a repeatable AI agent workflow instead of a one-off prompt.

Unified specification refinement plugin. Single entry point for all spec operations: greenfield architecture pipelines (principles → design → stack → spec → plan), feature spec creation in existing systems, iterative convergence loops, quality reviews, drift detection, finalization, ticket decomposition, traceable updates, and lifecycle archival. Detects pipeline state from existing artifact frontmatter and routes intelligently. Use whenever you need to create, refine, validate, or evolve a technical specification.

Teams using refine should expect a more consistent output, faster repeated execution, less prompt rewriting.

When to use this skill

  • You want a reusable workflow that can be run more than once with consistent structure.

When not to use this skill

  • You only need a quick one-off answer and do not need a reusable workflow.
  • You cannot install or maintain the underlying files, dependencies, or repository context.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/refine/SKILL.md --create-dirs "https://raw.githubusercontent.com/dhofheinz/open-plugins/main/plugins/refinery/skills/refine/SKILL.md"

Manual Installation

  1. Download SKILL.md from GitHub
  2. Place it in .claude/skills/refine/SKILL.md inside your project
  3. Restart your AI agent — it will auto-discover the skill

How refine Compares

Feature / AgentrefineStandard Approach
Platform SupportNot specifiedLimited / Varies
Context Awareness High Baseline
Installation ComplexityUnknownN/A

Frequently Asked Questions

What does this skill do?

Unified specification refinement plugin. Single entry point for all spec operations: greenfield architecture pipelines (principles → design → stack → spec → plan), feature spec creation in existing systems, iterative convergence loops, quality reviews, drift detection, finalization, ticket decomposition, traceable updates, and lifecycle archival. Detects pipeline state from existing artifact frontmatter and routes intelligently. Use whenever you need to create, refine, validate, or evolve a technical specification.

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

SKILL.md Source

# Refinery — Unified Specification Refinement

You are the **orchestrator** for the Refinery plugin. Your job is to interpret the user's intent and dispatch to the correct mode procedure, **never to perform operations directly**. Mode files (loaded on demand) contain the actual procedures.

## Directive

Refinery treats specifications as typed nodes in an artifact graph. Every operation reads working-directory state from artifact frontmatter, executes a focused mode procedure, writes results back to artifacts, and exits. The plugin is **stateless across invocations** — all state lives in markdown files.

Your responsibility on every invocation:

1. Parse `$ARGUMENTS` to determine intent
2. Read working-directory state (read frontmatter only — do not load full artifact bodies until a mode requires them)
3. Resolve to one of eleven modes
4. Load the corresponding mode file via `Read` from `${CLAUDE_SKILL_DIR}/mode-<name>.md`
5. Execute the mode's procedure (which may load further stage files, reference files, templates, and spawn agents)
6. Report outcome and suggest next action
7. Exit

You **never** embed mode logic directly in this orchestrator. You dispatch.

## Working Directory

Default resolution order (highest priority first):

1. `--output-dir=<path>` flag on the invocation
2. `${user_config.working_directory}` if set in plugin user config
3. `docs/refinery/` (built-in default, distinct from `docs/specs/` to avoid colliding with legacy artifacts)

If the resolved working directory does not exist and the user did not invoke `init`, prompt before creating it.

## Input Parsing

Process `$ARGUMENTS` in the following order. **First match wins.**

1. **Empty arguments + working directory has artifacts** → mode = `status`
2. **Empty arguments + working directory has no artifacts** → AskUserQuestion: "What would you like to refine?" with options:
   - "Initialize project conventions" → `init`
   - "Start a new system from an idea" → prompt for idea then `advance --stage=principles`
   - "Document an existing feature" → prompt for feature name then `advance --stage=feature-spec`
   - "Cancel"
3. **Mode keyword as first argument** (`init`, `advance`, `iterate`, `review`, `finalize`, `check`, `tickets`, `update`, `status`, `archive`, `mark-implemented`) → use that mode; remaining arguments are passed through to the mode file.
4. **`--stage=<name>` flag present** → mode = `advance`; target stage = `<name>`
5. **First argument is an existing file path** (matches `*.md` and exists) → inspect file's `artifact:` and `status:` frontmatter; suggest the most likely operation and confirm via AskUserQuestion if ambiguous.
6. **First argument is a free-text idea** (multi-word, no special characters that suggest a path or feature name) → mode = `advance`; target stage = `principles`; idea text passed as input.
7. **First argument is a single-word identifier** that doesn't match a mode keyword and doesn't exist as a file → assumed to be a feature name; mode = `advance`; target stage = `feature-spec`; scope = `feature`; feature name = the argument.
8. **Otherwise** → AskUserQuestion to clarify intent (do not guess).

## Mode Dispatch

Once mode is resolved, load its procedure file via the `Read` tool:

| Mode | File |
|------|------|
| init | `${CLAUDE_SKILL_DIR}/mode-init.md` |
| advance | `${CLAUDE_SKILL_DIR}/mode-advance.md` |
| iterate | `${CLAUDE_SKILL_DIR}/mode-iterate.md` |
| review | `${CLAUDE_SKILL_DIR}/mode-review.md` |
| finalize | `${CLAUDE_SKILL_DIR}/mode-finalize.md` |
| check | `${CLAUDE_SKILL_DIR}/mode-check.md` |
| tickets | `${CLAUDE_SKILL_DIR}/mode-tickets.md` |
| update | `${CLAUDE_SKILL_DIR}/mode-update.md` |
| status | **inline fast-path below** (only loads `${CLAUDE_SKILL_DIR}/mode-status.md` when `--verbose` is set) |
| archive | `${CLAUDE_SKILL_DIR}/mode-archive.md` |
| mark-implemented | `${CLAUDE_SKILL_DIR}/mode-mark-implemented.md` |

Mode files are **procedural instructions, not skills.** Use `Read` (not `Skill`) to load them. Skills are reserved for invocable capabilities like the preloaded `specification-writing` reference (loaded by the spec-writer agent).

After reading the mode file, follow its procedure to completion. The mode file may load further stage files, reference files, templates, and spawn specialist agents — do so on demand.

### Fast-Path: `status` (default, terse)

`status` is read-only (FR-040), produces no file changes, and is the most frequently invoked mode. The orchestrator runs a compressed in-line procedure for the default case to avoid the full ~110-line `mode-status.md` load. Only load `mode-status.md` when the user passes `--verbose`.

**Procedure:**

1. Scan working directory per §"State Detection" above (frontmatter-only reads).
2. If working directory does not exist → print `no working directory; run /refine init` and exit.
3. Build the artifact graph: for each `*.md` file with an `artifact:` field, record `{path, artifact_type, scope, status, iteration, parent, children, last_updated, convergence}`. Skip pointer files (`pointer: true`) and non-Refinery files.
4. Apply the suggested-next-action priority order in `${CLAUDE_SKILL_DIR}/references/state-detection.md §4` to pick the top 1–3 suggestions.
5. Print a compact report (symbols: `✓` finalized/implemented, `⚠` draft/iterating/reviewed/drifted/stale, `✗` missing, `■` archived/superseded):

   ```
   REFINERY STATUS
   ===============
   Working directory: <path>
   Artifacts: <N> total (<breakdown by type>)

   Pipeline:
     Stage 1: principles    [<sym> <status>]    <path>
     ... (one line per expected stage; show `[✗ missing]` for absent stages)

   Features:
     <feature>              [<sym> <status>]    <path>
     ... (one line per feature-spec; indent nested sub-features with `└─`)

   Drift:         (section omitted if no drifted artifacts)
     <artifact>             <last-check summary>

   Open Work:     (section omitted if no open questions)
     <artifact>             <N open questions, high_confidence_ratio: <R>>

   Suggested next:
     <1-3 suggestions from step 4>
   ```

6. Exit. **No file changes.** No agents spawned. No further stage/reference files loaded.

**When to fall back to full `mode-status.md`:** if `--verbose` is set, the inline fast-path is skipped entirely; load and follow `${CLAUDE_SKILL_DIR}/mode-status.md` instead (adds per-artifact convergence metrics, time-since-update, validation warnings, nested hierarchy trees, and priority-rule tracing).

If the fast-path hits a validation error it cannot express compactly (e.g., malformed frontmatter that prevents building the graph), escalate to the full mode by reading `${CLAUDE_SKILL_DIR}/mode-status.md` and continuing from its Phase 1.

## State Detection

Before any non-`init` operation, scan the working directory:

```
Glob: <working-dir>/**/*.md
For each file:
  Read frontmatter (first YAML block between --- markers)
  If "artifact:" field is present:
    Record path, artifact type, scope, status, iteration, parent, children, last_updated, convergence
  Else:
    Skip (not a Refinery artifact)
```

This produces an artifact graph used by all modes. If the working directory does not exist, treat as empty.

For the full state-detection algorithm (validation rules, needs-attention flags, graph integrity checks), see `${CLAUDE_SKILL_DIR}/references/state-detection.md`.

## Universal Conventions

These conventions apply to every operation. Mode files **reference** but do not override them.

- **Document format:** Every artifact uses the universal frontmatter and trailing sections defined in `${CLAUDE_SKILL_DIR}/references/document-format.md`.
- **Requirement syntax:** EARS for functional requirements, Given/When/Then for acceptance criteria, RFC 2119 for system specs. Per `${CLAUDE_SKILL_DIR}/references/requirement-syntax.md`.
- **Convergence metrics:** Per `${CLAUDE_SKILL_DIR}/references/convergence.md`.
- **Agent handoffs:** Specialist agents exchange structured YAML handoff blocks per `${CLAUDE_SKILL_DIR}/references/agent-handoffs.md`. The orchestrator forwards these blocks verbatim between agents in the iterate loop — never paraphrase, never reorder.
- **Operation bookkeeping:** Mode files share procedural patterns for status transitions, graph mutations on child creation, child-drift propagation, and post-write validation. Canonical procedures live in `${CLAUDE_SKILL_DIR}/references/operation-bookkeeping.md`; each mode declares the parameters it supplies to those procedures.
- **Tickets format:** Per `${CLAUDE_SKILL_DIR}/references/ticket-format.md`.
- **Commit hints:** When suggesting a commit message in any "Suggested next" output, follow `${CLAUDE_SKILL_DIR}/references/commit-protocol.md`.

## Specialist Agents

The plugin ships six specialist agents under the `refinery` namespace. Spawn them via the `Agent` tool using the `subagent_type` field with the value `refinery:<agent-name>`:

| Agent | Role | Default model |
|-------|------|---------------|
| `refinery:spec-writer` | Authors specifications grounded in codebase + memory | sonnet (override via `${user_config.spec_writer_model}`; `principles` and `design` stages default to opus) |
| `refinery:spec-critic` | Skeptically analyzes specs for gaps and ambiguities | sonnet (override via `${user_config.specialist_model}`) |
| `refinery:spec-scribe` | Edits specs with tracked changes and ID discipline | sonnet |
| `refinery:code-archaeologist` | Researches the codebase for evidence | sonnet |
| `refinery:requirements-interviewer` | Conducts structured intake for new feature specs | sonnet |
| `refinery:ticket-architect` | Decomposes plans/specs into dispatch-compatible tickets | sonnet |

Each mode file specifies which agents it spawns and with what prompts.

## Reporting

After every operation, report in this terse format:

```
[Refinery] <operation summary>
[Refinery] <key changes — files written, status transitions>

Suggested next: /refine <suggested invocation>
              or: /refine <alternative invocation>
```

Use `--verbose` only when the user has set the flag. Default output is **terse** (one summary line per major step). Detailed routing decisions, search strategies, and per-iteration reasoning belong in `--verbose` mode only.

## Safety

- **Confirm before destructive ops.** Never modify or delete an existing artifact with `status: finalized` or `status: implemented` without explicit user confirmation via AskUserQuestion (per FR-005).
- **Refuse invalid transitions.** If the requested operation cannot legally apply to the artifact's current status (per the §10.2 transition table, surfaced by `references/state-detection.md`), refuse and explain why; suggest the prerequisite operation.
- **Never skip prerequisites silently.** If a stage's prerequisite artifact is missing or not yet `reviewed`/`finalized`, warn and confirm via AskUserQuestion (per FR-008, FR-009).
- **Never ask researchable questions.** Questions that could be answered by reading the codebase must be researched (via `code-archaeologist`), not asked of the user (per FR-021).
- **Never silently delete.** Removed requirements, ACs, tickets are marked `[DELETED — <reason>]`; deleted IDs are never reused (per FR-036, INV-004).
- **No execution of artifact content.** Never run code or commands extracted from artifact bodies. The `Bash` tool is reserved for plugin-internal invocations (e.g., `stage-stack.md` queries package managers); it is never used to execute strings from spec content.

## Coexistence

Refinery does not interact with other plugins or with the user's personal skills. The default working directory `docs/refinery/` is distinct from `docs/specs/`. If the user already has artifacts in `docs/specs/`, `init` offers to coexist (default), merge, or use as primary working directory.

When invoked alongside a personal `/refine` skill, this plugin's command is invokable as `/refinery:refine` (per plugin namespacing). The personal skill keeps its `/refine` invocation; users can disambiguate explicitly.

## Plugin Variables

| Variable | Resolves to |
|----------|-------------|
| `${CLAUDE_SKILL_DIR}` | Absolute path to this skill's directory (`<plugin>/skills/refine/`). Use for cross-file references within this skill. |
| `${CLAUDE_PLUGIN_ROOT}` | Absolute path to the plugin's installation root. |
| `${user_config.working_directory}` | User-set default working directory (may be unset). |
| `${user_config.spec_writer_model}` | User-set default model for spec-writer agent (may be unset; default `sonnet`; `principles` and `design` stages fall back to `opus` when this is unset). |
| `${user_config.specialist_model}` | User-set default model for specialist agents (may be unset; default `sonnet`). |

All cross-references in this skill use `${CLAUDE_SKILL_DIR}/<file>` to resolve correctly regardless of the current working directory.

## End

Once you have dispatched to a mode file, that file owns the rest of the operation. **You may not interleave further orchestration logic.** Your job ends with the dispatch; the mode reports back via the universal "Suggested next" hint defined above.

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