---
schema: "https://insidethemachine.ai/schema/listing.schema.json"
slug: "openspec"
name: "OpenSpec"
kind: "repo"
tier: "catalog"
category: "scaffolds"
category_label: "Scaffolds & templates"
stack_layer: "harness"
homepage: "https://openspec.dev/"
repo: "https://github.com/Fission-AI/OpenSpec"
license: "MIT"
stars: 72037
last_push: "2026-10-15"
archived: false
tags: []
seen_in_videos: []
gap_score: null
gap_score_status: "pending test on Mac Studio"
verified_on: "2026-10-15"
---

# OpenSpec

**What:** Lightweight spec-driven workflow for coding agents.

**Why:** Reusable instructions that make agents behave.

**Category:** Scaffolds & templates · **Stack layer:** harness

## Status

Catalog entry. Existence and repo metadata checked 2026-10-15 via the GitHub API. Install commands below are auto-extracted from the README and have NOT been executed or verified. Read the README before running anything; prefer a sandbox or venv.

## Install (unverified)

1. [any] source: README (auto-extracted); status: unverified, not executed

```bash
npm install -g @fission-ai/openspec@latest
```

2. [macos] source: README (auto-extracted); status: unverified, not executed

```bash
brew install openspec
```

## Verify

No verified check yet. Minimum: the install command exits 0 and the tool's own help/version flag runs (exact flag: see README).

## Rollback (unverified)

1. source: derived inverse of install command

```bash
npm uninstall -g @fission-ai/openspec@latest
```

2. source: derived inverse of install command

```bash
brew uninstall openspec
```

## Links

- Homepage: https://openspec.dev/
- Repo: https://github.com/Fission-AI/OpenSpec
- README: https://github.com/Fission-AI/OpenSpec#readme