by kaochenlong
Spec-driven development for coding agents — a desktop app, a CLI, and skills for Codex, Claude Code, Cursor, Copilot, Antigravity and Junie
# Add to your Claude Code skills
git clone https://github.com/kaochenlong/spectra-appLast scanned: 9/13/2026
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spectra-app is an open-source ai agents skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by kaochenlong. Spec-driven development for coding agents — a desktop app, a CLI, and skills for Codex, Claude Code, Cursor, Copilot, Antigravity and Junie. It has 736 GitHub stars.
Yes. spectra-app passed SkillsLLM's automated security scan — a dependency vulnerability audit plus prompt-injection heuristics — with no high-severity issues. You can read the full report in the Security Report section on this page.
Clone the repository with "git clone https://github.com/kaochenlong/spectra-app" and add it to your Claude Code skills directory (see the Installation section above).
spectra-app is primarily written in TypeScript. It is open-source under kaochenlong on GitHub, so you can review or fork the full source.
Yes. SkillsLLM lists many other AI Agents skills you can browse and compare side by side. Open the AI Agents category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh spectra-app against similar tools.
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⚠️ Third-Party Software Notice
This skill is third-party open-source software developed and hosted independently on GitHub. SkillsLLM is an informational directory and does not control or maintain the underlying repository.
Any security checks, ratings, or warnings displayed by SkillsLLM are automated and limited in scope. They do not constitute a security certification or guarantee that the software is safe, error-free, or free from malicious code, vulnerabilities, compromised dependencies, or prompt-injection risks.
Review the source code, permissions, dependencies, and configuration before installing or running any third-party skill. Use is at your own risk. To the maximum extent permitted by applicable law, SkillsLLM is not liable for losses arising from third-party software.
A desktop app for managing spec documents — visually track changes, specs, and tasks.
Spectra is a Spec-Driven Development (SDD) tool made up of a desktop app, a CLI, and skills for coding agents. Your coding agent uses the skills to propose changes, write specs, and carry out tasks, while the app lets you browse specs, track progress, and archive completed work — no more manually managing spec directories, YAML configs, and Markdown files.
Spectra was inspired by OpenSpec. It started as a GUI frontend for OpenSpec, but after using it for a while, I found that OpenSpec's workflow didn't quite match my own development habits. So I decided to rewrite the entire workflow — simplifying commands, adding the features I wanted, and shaping it into a tool that fits my daily development rhythm.
Spec & Change Management
/spectra-propose)- [ ] / - [x])AI-Assisted Workflow
| Stage | Skill | Description |
|---|---|---|
| Plan | /spectra-discuss |
Clarify requirements and compare approaches before proposing; no code changes |
/spectra-propose |
Create a complete change proposal (proposal, specs, design, tasks) | |
| Implement | /spectra-apply |
Implement a change's tasks, or resume one in progress |
/spectra-ingest |
Fold shifted requirements from a plan or conversation back into a change | |
| Quality gate | /spectra-verify |
Before archiving, check the code against the change's specs, tasks, and design |
/spectra-review |
Code review of a change's implementation; reports only, never edits files | |
/spectra-analyze |
Find contradictions and gaps across proposal, design, specs, and tasks | |
/spectra-audit |
Security audit of changed code | |
/spectra-drift |
Detect drift between a change and the current codebase | |
/spectra-debug |
Systematic debugging: reproduce first, then find the root cause from evidence | |
| Finish | /spectra-archive |
Archive a completed change and merge its spec changes into the main specs |
/spectra-commit |
Commit only the files that belong to a change |
In Codex, invoke skills with $ instead of / (for example, $spectra-apply). /spectra-verify and /spectra-analyze can be invoked directly in Claude Code, Codex, and GitHub Copilot.
Compact Mode (⌘D)
⌘T opens memosPark Mechanism
spectra park <name> / spectra unpark <name>Parallel Task Execution
/spectra-propose records dependencies between tasks with [after: ...]/spectra-apply hands tasks whose prerequisites are complete to your coding agent's subagents to run in parallel, and runs them one by one when subagents aren't available[P] markers in older task lists are still recognizedInternationalization
brew install --cask spectra-app
The Spectra CLI is published to npm, so you can use the spec workflow and the coding-agent skills without installing the desktop app:
npm install -g @kaochenlong/spxa
spxa init
Requires Node.js 22.14 or newer.
The command is spxa, not spectra. The desktop app installs spectra, and
the two are independent channels that update separately. Native binaries for
macOS, Linux, and Windows are installed as exact-version optional dependencies;
nothing is downloaded during installation or at run time.
See npm/spxa for the supported platform matrix, what has actually
been verified on each platform, and licensing.
Get the latest release for your platform:
Or visit the official website: spectra.5xcamp.us
| Platform | Architecture | Format |
|---|---|---|
| macOS | Apple Silicon (ARM64) | .dmg |
| macOS | Intel (x64) | .dmg |
| Windows | x64 | .exe |
Found a bug or have a suggestion? Open an issue on GitHub Issues.
管理規格文件的桌面應用程式，以視覺化介面追蹤變更、規格與任務。
Spectra 是一套規格驅動開發（Spec-Driven Development，SDD）工具，由桌面 app、CLI 和 coding agent 用的 skills 組成：coding agent 透過 skills 提出變更、撰寫規格、執行任務，app 負責檢視規格、追蹤進度、封存完成的工作，不用自己管理規格目錄、YAML 設定和 Markdown 檔案。
Spectra 的靈感來自 OpenSpec。最初是 OpenSpec 的 GUI 前端，但用了一陣子之後發現 OpenSpec 的流程跟我自己實際開發習慣不太合，最後決定把整個流程重寫一次，簡化指令、補上我想要的功能，做成更貼近我自己日常開發節奏的工具。
規格與變更管理
/spectra-propose 建立）- [ ] / - [x]）自動解析任務完成進度AI 輔助工作流程
| 階段 | Skill | 說明 |
|---|---|---|
| 規劃 | /spectra-discuss |
提案前釐清需求、比較做法，不改程式碼 |
/spectra-propose |
建立完整的變更提案（proposal、specs、design、tasks） | |
| 實作 | /spectra-apply |
照 tasks 實作，或接續做到一半的 change |
/spectra-ingest |
實作途中需求有變時，把計畫或對話內容更新回 change | |
| 品質把關 | /spectra-verify |
封存前檢查實作是否符合規格、任務與設計 |
/spectra-review |
對 change 的實作做 code review，只出報告不改檔 | |
/spectra-analyze |
檢查 proposal、design、specs、tasks 之間的矛盾與缺漏 | |
/spectra-audit |
對修改過的程式碼做安全性稽核 | |
/spectra-drift |
檢查 change 跟目前程式碼之間的落差 | |
/spectra-debug |
系統化除錯：先重現問題，再依證據找根因 | |
| 收尾 | /spectra-archive |
封存完成的 change，把它對規格的修改併回主規格 |
/spectra-commit |
只提交屬於這個 change 的檔案 |
在 Codex 裡改用 $ 呼叫，例如 $spectra-apply。/spectra-verify 和 /spectra-analyze 可以在 Claude Code、Codex、GitHub Copilot 直接呼叫。
精簡模式（⌘D）
⌘T 開啟備忘暫存（Park）機制
spectra park <name> / spectra unpark <name>平行任務執行
/spectra-propose 會用 [after: ...] 記錄任務之間的依賴關係/spectra-apply 會把前置任務都完成的任務，交給 coding agent 的 subagent 同時執行；不支援 subagent 時改為依序執行[P] 標記仍然有效多國語言
brew install --cask spectra-app
Spectra 的 CLI 也發布在 npm 上，不裝桌面版也能使用規格流程與 coding agent 的 skills：
npm install -g @kaochenlong/spxa
spxa init
需要 Node.js 22.14 或更新版本。
指令是 spxa，不是 spectra。桌面版安裝的是 spectra，兩者是各自獨立的通道，
更新互不影響。macOS、Linux、Windows 的原生執行檔以精確版本的 optionalDependency
安裝，安裝與執行過程都不會另外下載任何東西。
支援平台矩陣、各平台實際驗過什麼，以及授權說明見 npm/spxa。
取得適合你平台的最新版本：
或前往官方網站：spectra.5xcamp.us
| 平台 | 架構 | 格式 |
|---|---|---|
| macOS | Apple Silicon (ARM64) | .dmg |
| macOS | Intel (x64) | .dmg |
| Windows | x64 | .exe |
發現問題或有建議？歡迎到 GitHub Issues 開 issue。