AC Framework Spec-Driven Workflow

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Initialize and manage spec-driven development workflows using the acfm CLI. Essential for setting up spec workflows and understanding .acfm/ vs openspec/ directory structures.

Sby Skills Guide Bot
DevelopmentIntermediate
406/2/2026
Claude Code
#acfm#spec-driven#workflow#cli#project-initialization

Recommended for

Our review

This skill initializes and manages spec-driven development workflows using the acfm CLI tool.

Strengths

  • Clear directory structure with .acfm/ and openspec/ support
  • Full change lifecycle management (create, track, archive)
  • Detailed instructions for each specification artifact

Limitations

  • Requires the acfm CLI to be installed and configured
  • The workflow may be too rigid for some projects
  • Migration from openspec/ to .acfm/ is not automated
When to use it

When starting a new project or feature that would benefit from a formal specification process before implementation.

When not to use it

For trivial changes or bug fixes where writing full specs would be overhead.

Security analysis

Safe
Quality score92/100

The skill provides instructions for using a development CLI tool (acfm) without any destructive, exfiltrating, or obfuscated commands. No risky operations like arbitrary code execution, secret transmission, or safety disabling are present.

No concerns found

Examples

Initialize spec workflow
Check if this project has the AC Framework spec workflow initialized. If not, initialize it. Then create a new change called 'user-authentication' and show me the instructions for writing the proposal.
Create a new change
Using the AC Framework spec workflow, create a new change named 'add-search-feature' and then get the instructions for the design artifact.
Check project status
Check the spec workflow status of this project using acfm. If there are any existing changes, list them and tell me which ones are still active.

name: acfm-spec-workflow description: Initialize and manage AC Framework spec-driven workflows using acfm CLI. Use when setting up spec workflows, checking project status, creating changes, or understanding the .acfm/ vs openspec/ directory structures. Essential first step before using any OpenSpec skills.

AC Framework Spec-Driven Workflow

Guide for initializing and managing spec-driven development workflows using the AC Framework CLI (acfm).

When to use this skill

Use this skill when:

  • Starting a new project and need to initialize the spec workflow
  • Working on an existing project and need to check if specs are initialized
  • Creating a new change/feature using the spec-driven workflow
  • Unsure whether to use .acfm/ or openspec/ directories
  • Need to understand CLI commands for spec management
  • Migrating from legacy openspec/ to new .acfm/ structure

Quick start

# Check if project is initialized
acfm spec status --json

# Initialize new project (creates .acfm/)
acfm spec init

# Create a new change
acfm spec new my-feature --json

# Get instructions for next artifact
acfm spec instructions proposal --change my-feature --json

Directory Structure

NEW (Default): .acfm/ directory

project-root/
├── .acfm/                    # NEW: Default spec directory
│   ├── config.yaml           # Project configuration
│   ├── specs/                # Shared specs
│   └── changes/              # Active changes
│       ├── archive/          # Archived changes
│       └── my-feature/       # Individual change
│           ├── .openspec.yaml
│           ├── proposal.md
│           ├── design.md
│           ├── tasks.md
│           └── specs/

LEGACY: openspec/ directory

project-root/
├── openspec/                 # LEGACY: Still fully supported
│   ├── config.yaml
│   ├── specs/
│   └── changes/

Priority: CLI automatically uses .acfm/ if it exists, otherwise falls back to openspec/.

Instructions

Step 1: Check initialization status

Always start by checking if the project is initialized:

acfm spec status --json

If not initialized ("initialized": false):

  • Proceed to Step 2 to initialize

If initialized ("initialized": true):

  • Note the dirName field (either .acfm or openspec)
  • Proceed to Step 3 to create changes

Step 2: Initialize the project

For new projects:

acfm spec init

This creates:

  • .acfm/config.yaml - Project configuration
  • .acmf/specs/ - Shared specifications
  • .acfm/changes/ - Active changes directory

Legacy support: If the project already has openspec/, it will be detected automatically. No need to migrate unless desired.

Step 3: Create a change

acfm spec new <change-name> --json

Example:

acfm spec new user-authentication --json

Output:

{
  "changeDir": "/project/.acfm/changes/user-authentication",
  "schemaName": "spec-driven",
  "artifacts": ["proposal", "specs", "design", "tasks"]
}

Step 4: Get instructions for artifacts

Each artifact has specific instructions:

# Get instructions for proposal
acfm spec instructions proposal --change <name> --json

# Get instructions for design
acfm spec instructions design --change <name> --json

# Get instructions for tasks
acfm spec instructions tasks --change <name> --json

# Get apply instructions (when ready to implement)
acfm spec instructions apply --change <name> --json

Step 5: Check status

Monitor progress:

# Status of specific change
acfm spec status --change <name> --json

# List all changes
acfm spec list --json

Step 6: Archive completed changes

acfm spec archive <change-name>

CLI Command Reference

Initialization

  • acfm spec init [--json] - Initialize spec directory
  • acfm spec status [--json] - Check initialization status

Change Management

  • acfm spec new <name> [--json] - Create new change
  • acfm spec list [--json] - List all changes
  • acfm spec status --change <name> [--json] - Check change status
  • acfm spec archive <name> [--json] - Archive completed change

Instructions

  • acfm spec instructions <artifact> --change <name> [--json] - Get artifact instructions
  • acfm spec schemas [--json] - List available schemas
  • acfm spec validate <name> [--json] - Validate change structure

Common scenarios

Scenario: New project setup

# 1. Check status
acfm spec status --json

# 2. Initialize
acfm spec init

# 3. Create first change
acfm spec new initial-setup --json

# 4. Get proposal instructions
acfm spec instructions proposal --change initial-setup --json

Scenario: Legacy project (openspec/)

# CLI automatically detects openspec/ directory
acfm spec status --json
# Output: { "initialized": true, "dirName": "openspec", ... }

# Create change in openspec/
acfm spec new legacy-feature --json
# Creates: openspec/changes/legacy-feature/

Scenario: Mixed directories

If both .acfm/ and openspec/ exist:

  • CLI uses .acfm/ (higher priority)
  • Changes are created in .acfm/changes/

To use openspec/ temporarily:

mv .acfm/ .acfm-backup/
# Now CLI will use openspec/

Best practices

  1. Always use CLI commands - Don't manually create directories
  2. Use --json flag for programmatic parsing
  3. Check initialization first - Before creating changes
  4. Let CLI handle paths - Don't hardcode .acfm/ or openspec/
  5. Archive completed changes - Keeps active list clean

Troubleshooting

"Spec system not initialized"

# Solution
acfm spec init

Changes not appearing

# Check which directory is being used
acfm spec status --json
# Look at "dirName" field

# List both directories
ls -la .acfm/changes/ 2>/dev/null || echo "No .acfm/"
ls -la openspec/changes/ 2>/dev/null || echo "No openspec/"

Wrong directory detected

# Force use of openspec/ by renaming .acfm/
mv .acfm/ .acfm-backup/

# Or force use of .acfm/ by renaming openspec/
mv openspec/ openspec-backup/

Requirements

  • AC Framework CLI (acfm) must be installed
  • Node.js >= 18.0.0

Compatibility

  • ✅ Works with both .acfm/ (new) and openspec/ (legacy)
  • ✅ All existing OpenSpec skills continue to work
  • ✅ No migration required for legacy projects
  • ✅ Optional migration path available

See also

  • Use openspec-new-change skill after initialization to create structured changes
  • Use openspec-continue-change to work on existing changes
  • Use openspec-apply-change to implement tasks
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