add openspec CLI

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MIT License
Copyright (c) 2024 OpenSpec Contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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<p align="center">
<a href="https://github.com/Fission-AI/OpenSpec">
<picture>
<source srcset="assets/openspec_bg.png">
<img src="assets/openspec_bg.png" alt="OpenSpec logo">
</picture>
</a>
</p>
<p align="center">
<a href="https://github.com/Fission-AI/OpenSpec/actions/workflows/ci.yml"><img alt="CI" src="https://github.com/Fission-AI/OpenSpec/actions/workflows/ci.yml/badge.svg" /></a>
<a href="https://www.npmjs.com/package/@fission-ai/openspec"><img alt="npm version" src="https://img.shields.io/npm/v/@fission-ai/openspec?style=flat-square" /></a>
<a href="./LICENSE"><img alt="License: MIT" src="https://img.shields.io/badge/License-MIT-blue.svg?style=flat-square" /></a>
<a href="https://discord.gg/YctCnvvshC"><img alt="Discord" src="https://img.shields.io/discord/1411657095639601154?style=flat-square&logo=discord&logoColor=white&label=Discord&suffix=%20online" /></a>
</p>
<details>
<summary><strong>The most loved spec framework.</strong></summary>
[![Stars](https://img.shields.io/github/stars/Fission-AI/OpenSpec?style=flat-square&label=Stars)](https://github.com/Fission-AI/OpenSpec/stargazers)
[![Downloads](https://img.shields.io/npm/dm/@fission-ai/openspec?style=flat-square&label=Downloads/mo)](https://www.npmjs.com/package/@fission-ai/openspec)
[![Contributors](https://img.shields.io/github/contributors/Fission-AI/OpenSpec?style=flat-square&label=Contributors)](https://github.com/Fission-AI/OpenSpec/graphs/contributors)
</details>
<p></p>
Our philosophy:
```text
→ fluid not rigid
→ iterative not waterfall
→ easy not complex
→ built for brownfield not just greenfield
→ scalable from personal projects to enterprises
```
> [!TIP]
> **New workflow now available!** We've rebuilt OpenSpec with a new artifact-guided workflow.
>
> Run `/opsx:propose "your idea"` to get started. → [Learn more here](docs/opsx.md)
<p align="center">
Follow <a href="https://x.com/0xTab">@0xTab on X</a> for updates · Join the <a href="https://discord.gg/YctCnvvshC">OpenSpec Discord</a> for help and questions.
</p>
<!-- TODO: Add GIF demo of /opsx:propose → /opsx:archive workflow -->
## See it in action
```text
You: /opsx:propose add-dark-mode
AI: Created openspec/changes/add-dark-mode/
✓ proposal.md — why we're doing this, what's changing
✓ specs/ — requirements and scenarios
✓ design.md — technical approach
✓ tasks.md — implementation checklist
Ready for implementation!
You: /opsx:apply
AI: Implementing tasks...
✓ 1.1 Add theme context provider
✓ 1.2 Create toggle component
✓ 2.1 Add CSS variables
✓ 2.2 Wire up localStorage
All tasks complete!
You: /opsx:archive
AI: Archived to openspec/changes/archive/2025-01-23-add-dark-mode/
Specs updated. Ready for the next feature.
```
<details>
<summary><strong>OpenSpec Dashboard</strong></summary>
<p align="center">
<img src="assets/openspec_dashboard.png" alt="OpenSpec dashboard preview" width="90%">
</p>
</details>
## Quick Start
**Requires Node.js 20.19.0 or higher.**
Install OpenSpec globally:
```bash
npm install -g @fission-ai/openspec@latest
```
Then navigate to your project directory and initialize:
```bash
cd your-project
openspec init
```
Now tell your AI: `/opsx:propose <what-you-want-to-build>`
If you want the expanded workflow (`/opsx:new`, `/opsx:continue`, `/opsx:ff`, `/opsx:verify`, `/opsx:sync`, `/opsx:bulk-archive`, `/opsx:onboard`), select it with `openspec config profile` and apply with `openspec update`.
> [!NOTE]
> Not sure if your tool is supported? [View the full list](docs/supported-tools.md) we support 25+ tools and growing.
>
> Also works with pnpm, yarn, bun, and nix. [See installation options](docs/installation.md).
## Docs
**[Getting Started](docs/getting-started.md)**: first steps<br>
**[Workflows](docs/workflows.md)**: combos and patterns<br>
**[Commands](docs/commands.md)**: slash commands & skills<br>
**[CLI](docs/cli.md)**: terminal reference<br>
**[Supported Tools](docs/supported-tools.md)**: tool integrations & install paths<br>
**[Concepts](docs/concepts.md)**: how it all fits<br>
**[Multi-Language](docs/multi-language.md)**: multi-language support<br>
**[Customization](docs/customization.md)**: make it yours
## Why OpenSpec?
AI coding assistants are powerful but unpredictable when requirements live only in chat history. OpenSpec adds a lightweight spec layer so you agree on what to build before any code is written.
- **Agree before you build** — human and AI align on specs before code gets written
- **Stay organized** — each change gets its own folder with proposal, specs, design, and tasks
- **Work fluidly** — update any artifact anytime, no rigid phase gates
- **Use your tools** — works with 20+ AI assistants via slash commands
### How we compare
**vs. [Spec Kit](https://github.com/github/spec-kit)** (GitHub) — Thorough but heavyweight. Rigid phase gates, lots of Markdown, Python setup. OpenSpec is lighter and lets you iterate freely.
**vs. [Kiro](https://kiro.dev)** (AWS) — Powerful but you're locked into their IDE and limited to Claude models. OpenSpec works with the tools you already use.
**vs. nothing** — AI coding without specs means vague prompts and unpredictable results. OpenSpec brings predictability without the ceremony.
## Updating OpenSpec
**Upgrade the package**
```bash
npm install -g @fission-ai/openspec@latest
```
**Refresh agent instructions**
Run this inside each project to regenerate AI guidance and ensure the latest slash commands are active:
```bash
openspec update
```
## Usage Notes
**Model selection**: OpenSpec works best with high-reasoning models. We recommend Opus 4.5 and GPT 5.2 for both planning and implementation.
**Context hygiene**: OpenSpec benefits from a clean context window. Clear your context before starting implementation and maintain good context hygiene throughout your session.
## Contributing
**Small fixes** — Bug fixes, typo corrections, and minor improvements can be submitted directly as PRs.
**Larger changes** — For new features, significant refactors, or architectural changes, please submit an OpenSpec change proposal first so we can align on intent and goals before implementation begins.
When writing proposals, keep the OpenSpec philosophy in mind: we serve a wide variety of users across different coding agents, models, and use cases. Changes should work well for everyone.
**AI-generated code is welcome** — as long as it's been tested and verified. PRs containing AI-generated code should mention the coding agent and model used (e.g., "Generated with Claude Code using claude-opus-4-5-20251101").
### Development
- Install dependencies: `pnpm install`
- Build: `pnpm run build`
- Test: `pnpm test`
- Develop CLI locally: `pnpm run dev` or `pnpm run dev:cli`
- Conventional commits (one-line): `type(scope): subject`
## Other
<details>
<summary><strong>Telemetry</strong></summary>
OpenSpec collects anonymous usage stats.
We collect only command names and version to understand usage patterns. No arguments, paths, content, or PII. Automatically disabled in CI.
**Opt-out:** `export OPENSPEC_TELEMETRY=0` or `export DO_NOT_TRACK=1`
</details>
<details>
<summary><strong>Maintainers & Advisors</strong></summary>
See [MAINTAINERS.md](MAINTAINERS.md) for the list of core maintainers and advisors who help guide the project.
</details>
## License
MIT

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#!/usr/bin/env node
import '../dist/cli/index.js';

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{
"name": "@fission-ai/openspec",
"version": "1.3.1",
"description": "AI-native system for spec-driven development",
"keywords": [
"openspec",
"specs",
"cli",
"ai",
"development"
],
"homepage": "https://github.com/Fission-AI/OpenSpec",
"repository": {
"type": "git",
"url": "https://github.com/Fission-AI/OpenSpec"
},
"license": "MIT",
"author": "OpenSpec Contributors",
"type": "module",
"publishConfig": {
"access": "public"
},
"exports": {
".": {
"types": "./dist/index.d.ts",
"default": "./dist/index.js"
}
},
"bin": {
"openspec": "./bin/openspec.js"
},
"files": [
"dist",
"bin",
"schemas",
"scripts/postinstall.js",
"!dist/**/*.test.js",
"!dist/**/__tests__",
"!dist/**/*.map"
],
"engines": {
"node": ">=20.19.0"
},
"devDependencies": {
"@changesets/changelog-github": "^0.5.2",
"@changesets/cli": "^2.27.7",
"@types/node": "^24.2.0",
"@vitest/ui": "^3.2.4",
"eslint": "^9.39.2",
"typescript": "^5.9.3",
"typescript-eslint": "^8.50.1",
"vitest": "^3.2.4"
},
"dependencies": {
"@inquirer/core": "^10.2.2",
"@inquirer/prompts": "^7.8.0",
"chalk": "^5.5.0",
"commander": "^14.0.0",
"fast-glob": "^3.3.3",
"ora": "^8.2.0",
"posthog-node": "^5.20.0",
"yaml": "^2.8.2",
"zod": "^4.0.17"
},
"scripts": {
"lint": "eslint src/",
"build": "node build.js",
"dev": "tsc --watch",
"dev:cli": "pnpm build && node bin/openspec.js",
"test": "vitest run",
"test:watch": "vitest",
"test:ui": "vitest --ui",
"test:coverage": "vitest --coverage",
"test:postinstall": "node scripts/postinstall.js",
"postinstall": "node scripts/postinstall.js",
"check:pack-version": "node scripts/pack-version-check.mjs",
"release": "pnpm run release:ci",
"release:ci": "pnpm run check:pack-version && pnpm exec changeset publish",
"changeset": "changeset"
}
}

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name: spec-driven
version: 1
description: Default OpenSpec workflow - proposal → specs → design → tasks
artifacts:
- id: proposal
generates: proposal.md
description: Initial proposal document outlining the change
template: proposal.md
instruction: |
Create the proposal document that establishes WHY this change is needed.
Sections:
- **Why**: 1-2 sentences on the problem or opportunity. What problem does this solve? Why now?
- **What Changes**: Bullet list of changes. Be specific about new capabilities, modifications, or removals. Mark breaking changes with **BREAKING**.
- **Capabilities**: Identify which specs will be created or modified:
- **New Capabilities**: List capabilities being introduced. Each becomes a new `specs/<name>/spec.md`. Use kebab-case names (e.g., `user-auth`, `data-export`).
- **Modified Capabilities**: List existing capabilities whose REQUIREMENTS are changing. Only include if spec-level behavior changes (not just implementation details). Each needs a delta spec file. Check `openspec/specs/` for existing spec names. Leave empty if no requirement changes.
- **Impact**: Affected code, APIs, dependencies, or systems.
IMPORTANT: The Capabilities section is critical. It creates the contract between
proposal and specs phases. Research existing specs before filling this in.
Each capability listed here will need a corresponding spec file.
Keep it concise (1-2 pages). Focus on the "why" not the "how" -
implementation details belong in design.md.
This is the foundation - specs, design, and tasks all build on this.
requires: []
- id: specs
generates: "specs/**/*.md"
description: Detailed specifications for the change
template: spec.md
instruction: |
Create specification files that define WHAT the system should do.
Create one spec file per capability listed in the proposal's Capabilities section.
- New capabilities: use the exact kebab-case name from the proposal (specs/<capability>/spec.md).
- Modified capabilities: use the existing spec folder name from openspec/specs/<capability>/ when creating the delta spec at specs/<capability>/spec.md.
Delta operations (use ## headers):
- **ADDED Requirements**: New capabilities
- **MODIFIED Requirements**: Changed behavior - MUST include full updated content
- **REMOVED Requirements**: Deprecated features - MUST include **Reason** and **Migration**
- **RENAMED Requirements**: Name changes only - use FROM:/TO: format
Format requirements:
- Each requirement: `### Requirement: <name>` followed by description
- Use SHALL/MUST for normative requirements (avoid should/may)
- Each scenario: `#### Scenario: <name>` with WHEN/THEN format
- **CRITICAL**: Scenarios MUST use exactly 4 hashtags (`####`). Using 3 hashtags or bullets will fail silently.
- Every requirement MUST have at least one scenario.
MODIFIED requirements workflow:
1. Locate the existing requirement in openspec/specs/<capability>/spec.md
2. Copy the ENTIRE requirement block (from `### Requirement:` through all scenarios)
3. Paste under `## MODIFIED Requirements` and edit to reflect new behavior
4. Ensure header text matches exactly (whitespace-insensitive)
Common pitfall: Using MODIFIED with partial content loses detail at archive time.
If adding new concerns without changing existing behavior, use ADDED instead.
Example:
```
## ADDED Requirements
### Requirement: User can export data
The system SHALL allow users to export their data in CSV format.
#### Scenario: Successful export
- **WHEN** user clicks "Export" button
- **THEN** system downloads a CSV file with all user data
## REMOVED Requirements
### Requirement: Legacy export
**Reason**: Replaced by new export system
**Migration**: Use new export endpoint at /api/v2/export
```
Specs should be testable - each scenario is a potential test case.
requires:
- proposal
- id: design
generates: design.md
description: Technical design document with implementation details
template: design.md
instruction: |
Create the design document that explains HOW to implement the change.
When to include design.md (create only if any apply):
- Cross-cutting change (multiple services/modules) or new architectural pattern
- New external dependency or significant data model changes
- Security, performance, or migration complexity
- Ambiguity that benefits from technical decisions before coding
Sections:
- **Context**: Background, current state, constraints, stakeholders
- **Goals / Non-Goals**: What this design achieves and explicitly excludes
- **Decisions**: Key technical choices with rationale (why X over Y?). Include alternatives considered for each decision.
- **Risks / Trade-offs**: Known limitations, things that could go wrong. Format: [Risk] → Mitigation
- **Migration Plan**: Steps to deploy, rollback strategy (if applicable)
- **Open Questions**: Outstanding decisions or unknowns to resolve
Focus on architecture and approach, not line-by-line implementation.
Reference the proposal for motivation and specs for requirements.
Good design docs explain the "why" behind technical decisions.
requires:
- proposal
- id: tasks
generates: tasks.md
description: Implementation checklist with trackable tasks
template: tasks.md
instruction: |
Create the task list that breaks down the implementation work.
**IMPORTANT: Follow the template below exactly.** The apply phase parses
checkbox format to track progress. Tasks not using `- [ ]` won't be tracked.
Guidelines:
- Group related tasks under ## numbered headings
- Each task MUST be a checkbox: `- [ ] X.Y Task description`
- Tasks should be small enough to complete in one session
- Order tasks by dependency (what must be done first?)
Example:
```
## 1. Setup
- [ ] 1.1 Create new module structure
- [ ] 1.2 Add dependencies to package.json
## 2. Core Implementation
- [ ] 2.1 Implement data export function
- [ ] 2.2 Add CSV formatting utilities
```
Reference specs for what needs to be built, design for how to build it.
Each task should be verifiable - you know when it's done.
requires:
- specs
- design
apply:
requires: [tasks]
tracks: tasks.md
instruction: |
Read context files, work through pending tasks, mark complete as you go.
Pause if you hit blockers or need clarification.

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## Context
<!-- Background and current state -->
## Goals / Non-Goals
**Goals:**
<!-- What this design aims to achieve -->
**Non-Goals:**
<!-- What is explicitly out of scope -->
## Decisions
<!-- Key design decisions and rationale -->
## Risks / Trade-offs
<!-- Known risks and trade-offs -->

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## Why
<!-- Explain the motivation for this change. What problem does this solve? Why now? -->
## What Changes
<!-- Describe what will change. Be specific about new capabilities, modifications, or removals. -->
## Capabilities
### New Capabilities
<!-- Capabilities being introduced. Replace <name> with kebab-case identifier (e.g., user-auth, data-export, api-rate-limiting). Each creates specs/<name>/spec.md -->
- `<name>`: <brief description of what this capability covers>
### Modified Capabilities
<!-- Existing capabilities whose REQUIREMENTS are changing (not just implementation).
Only list here if spec-level behavior changes. Each needs a delta spec file.
Use existing spec names from openspec/specs/. Leave empty if no requirement changes. -->
- `<existing-name>`: <what requirement is changing>
## Impact
<!-- Affected code, APIs, dependencies, systems -->

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## ADDED Requirements
### Requirement: <!-- requirement name -->
<!-- requirement text -->
#### Scenario: <!-- scenario name -->
- **WHEN** <!-- condition -->
- **THEN** <!-- expected outcome -->

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## 1. <!-- Task Group Name -->
- [ ] 1.1 <!-- Task description -->
- [ ] 1.2 <!-- Task description -->
## 2. <!-- Task Group Name -->
- [ ] 2.1 <!-- Task description -->
- [ ] 2.2 <!-- Task description -->

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#!/usr/bin/env node
/**
* Postinstall script that hints about shell completions
*
* Completion installation is opt-in: the user must run
* `openspec completion install` explicitly. This script only
* prints a one-line tip after npm install.
*
* The tip is suppressed when:
* - CI=true environment variable is set
* - OPENSPEC_NO_COMPLETIONS=1 environment variable is set
* - dist/ directory doesn't exist (dev setup scenario)
*
* The script never fails npm install - all errors are caught and handled gracefully.
*/
import { promises as fs } from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
/**
* Check if we should skip installation
*/
function shouldSkipInstallation() {
// Skip in CI environments
if (process.env.CI === 'true' || process.env.CI === '1') {
return { skip: true, reason: 'CI environment detected' };
}
// Skip if user opted out
if (process.env.OPENSPEC_NO_COMPLETIONS === '1') {
return { skip: true, reason: 'OPENSPEC_NO_COMPLETIONS=1 set' };
}
return { skip: false };
}
/**
* Check if dist/ directory exists
*/
async function distExists() {
const distPath = path.join(__dirname, '..', 'dist');
try {
const stat = await fs.stat(distPath);
return stat.isDirectory();
} catch {
return false;
}
}
/**
* Main function
*/
async function main() {
try {
// Check if we should skip
const skipCheck = shouldSkipInstallation();
if (skipCheck.skip) {
// Silent skip - no output
return;
}
// Check if dist/ exists (skip silently if not - expected during dev setup)
if (!(await distExists())) {
return;
}
// Completions are opt-in — just print a hint
console.log(`\nTip: Run 'openspec completion install' for shell completions`);
} catch (error) {
// Fail gracefully - never break npm install
}
}
// Run main and handle any unhandled errors
main().catch(() => {
// Silent failure - never break npm install
process.exit(0);
});