Fact comparison
gstack vs Kitstarter
Summary: gstack, gstack is a set of markdown slash commands (23 specialist roles and 8 power tools per the README) covering product review, architecture, design review, QA with a real browser, security audit and release. It targets builders and is installed by cloning into the Claude Code skills folder and running setup. Other agents are supported with a host flag.; Kitstarter, A paid kit of 17 skills, seven hooks and a detector for 37 visual quality issues, installed into a project through an npm command. Full engine features work in Claude Code only; Codex, Cursor and Antigravity get ask-first rules via AGENTS.md.. Stated plan prices: gstack, Free; Kitstarter, $25 once. Licence: gstack, Not stated; Kitstarter, one time. Industries: gstack, Software and SaaS, Startups; Kitstarter, Agencies and consulting, Software and SaaS, Startups. Functions: gstack, Engineering, Project management, Security and compliance; Kitstarter, Engineering, Project management. Runtimes: gstack, Claude Code, Codex, OpenClaw; Kitstarter, Claude Code, Codex, Cursor, Antigravity. Self-updating: gstack, Yes; Kitstarter, Not stated. Install difficulty: gstack, technical; Kitstarter, moderate. Support: gstack, GitHub issues; setup --status and /gstack-upgrade; Kitstarter, Docs at kitstarter.dev/docs; other channels not stated. Usefulness level: gstack, 3 / 5: Capable; Kitstarter, 2 / 5: Helpful. AIOS Market rating: gstack, 7.0 / 10; Kitstarter, 5.5 / 10. Autonomy: gstack, Autonomy: 3 / 10; Kitstarter, Autonomy: 4 / 10. Depth: gstack, Depth: 7 / 10; Kitstarter, Depth: 5 / 10. Ease of setup: gstack, Ease of setup: 3 / 10; Kitstarter, Ease of setup: 5 / 10. Ownership and privacy: gstack, Ownership and privacy: 9 / 10; Kitstarter, Ownership and privacy: 8 / 10. Value for money: gstack, Value for money: 10 / 10; Kitstarter, Value for money: 7 / 10. Updates and support: gstack, Updates and support: 9 / 10; Kitstarter, Updates and support: 6 / 10. Security: gstack, Security: 7 / 10; Kitstarter, Security: 6 / 10. Maturity and traction: gstack, Maturity and traction: 10 / 10; Kitstarter, Maturity and traction: 3 / 10. Install method: gstack, git clone --single-branch --depth 1 https://github.com/garrytan/gstack.git ~/.claude/skills/gstack && cd ~/.claude/skills/gstack && ./setup; Kitstarter, npx kitstarter-cli (flags --full, -g); Node 18+. Install time: gstack, About 30 seconds (README); Kitstarter, Minutes. Data privacy: gstack, Local skill files and a bundled local browser; model calls go to your provider.; Kitstarter, Installs files into your project; details in privacy page.. Rankings are based on editorial stars.
Listed options
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| Fact | gstack | Kitstarter |
|---|---|---|
| Type | skill | skill |
| Summary | gstack is a set of markdown slash commands (23 specialist roles and 8 power tools per the README) covering product review, architecture, design review, QA with a real browser, security audit and release. It targets builders and is installed by cloning into the Claude Code skills folder and running setup. Other agents are supported with a host flag. | A paid kit of 17 skills, seven hooks and a detector for 37 visual quality issues, installed into a project through an npm command. Full engine features work in Claude Code only; Codex, Cursor and Antigravity get ask-first rules via AGENTS.md. |
| Seller | AIOS Market | AIOS Market |
| Stated plan prices | Free | $25 once |
| Licence | Not stated | one time |
| Industries | Software and SaaS, Startups | Agencies and consulting, Software and SaaS, Startups |
| Functions | Engineering, Project management, Security and compliance | Engineering, Project management |
| Runtimes | Claude Code, Codex, OpenClaw | Claude Code, Codex, Cursor, Antigravity |
| Integrations | Not stated | Not stated |
| Company sizes | solo, 2-10 | solo, 2-10 |
| Self-updating | Yes | Not stated |
| Team sharing | Not stated | Not stated |
| Seats included | Not stated | Not stated |
| Install verification | Not verified | Not verified |
| Security verification | Not verified | Not verified |
| Install difficulty | technical | moderate |
| Support | GitHub issues; setup --status and /gstack-upgrade | Docs at kitstarter.dev/docs; other channels not stated |
| Installs | 0 | 0 |
| Class | Skill pack | Skill pack |
| Usefulness level | 3 / 5: Capable | 2 / 5: Helpful |
| AIOS Market rating | 7.0 / 10 | 5.5 / 10 |
| Buyer rating | No buyer reviews yet | No buyer reviews yet |
| Sample listing | No | No |
| Autonomy | Autonomy: 3 / 10 | Autonomy: 4 / 10 |
| Depth | Depth: 7 / 10 | Depth: 5 / 10 |
| Ease of setup | Ease of setup: 3 / 10 | Ease of setup: 5 / 10 |
| Ownership and privacy | Ownership and privacy: 9 / 10 | Ownership and privacy: 8 / 10 |
| Value for money | Value for money: 10 / 10 | Value for money: 7 / 10 |
| Updates and support | Updates and support: 9 / 10 | Updates and support: 6 / 10 |
| Security | Security: 7 / 10 | Security: 6 / 10 |
| Maturity and traction | Maturity and traction: 10 / 10 | Maturity and traction: 3 / 10 |
| Operating systems | macOS, Linux, Windows | macOS, Linux, Windows |
| Install method | git clone --single-branch --depth 1 https://github.com/garrytan/gstack.git ~/.claude/skills/gstack && cd ~/.claude/skills/gstack && ./setup | npx kitstarter-cli (flags --full, -g); Node 18+ |
| Install time | About 30 seconds (README) | Minutes |
| Data privacy | Local skill files and a bundled local browser; model calls go to your provider. | Installs files into your project; details in privacy page. |
| Agents listed | Not stated | Not stated |
How to choose
- Compare the stated plan and billing terms.
- Check runtime and operating-system requirements.
- Review installation and licence details.
- Confirm data privacy and support information.
Frequently asked questions
- How many listings are listed?
- 2 are listed right now: gstack and Kitstarter.
- What do listings cost?
- Stated prices: free to $25, across 2 priced plans. Check each listing for current terms.
- Which runtimes do listings need?
- The listings name Antigravity, Claude Code, Codex, Cursor, OpenClaw.