# crabbox alternatives: 12 Claude Code plugins like openclaw/crabbox Flowy lists 77 other Testing plugins like crabbox, ranked by shared technologies, then GitHub stars; nothing in this list is paid. Published: Oct 23, 2026 · Updated: Oct 30, 2026 · Author: Flowy Canonical: https://www.flowy.sh/alternatives/openclaw-crabbox ## How they compare | Plugin | Stars | 7 days | Updated | License | Contains | | --- | ---: | ---: | ---: | --- | --- | | [crabbox](https://www.flowy.sh/listings/openclaw-crabbox) | 1,501 | +15 | Oct 29, 2026 | MIT | 2 skills | | [superpowers-lab](https://www.flowy.sh/listings/obra-superpowers-lab) | 434 | 0 | Jun 1, 2026 | MIT | 4 skills | | [playwright](https://www.flowy.sh/alternatives/microsoft-playwright) | 98,518 | +532 | Oct 30, 2026 | Apache-2.0 | 10 skills, 7 agents | | [promptfoo](https://www.flowy.sh/alternatives/promptfoo-promptfoo) | 26,525 | +321 | Oct 27, 2026 | MIT | 6 skills | | [vibium](https://www.flowy.sh/alternatives/vibiumdev-vibium) | 2,937 | -3 | Oct 27, 2026 | Apache-2.0 | 2 skills | | [kicad-happy](https://www.flowy.sh/alternatives/aklofas-kicad-happy) | 1,504 | +56 | Oct 29, 2026 | MIT | 11 skills | | [wildclawbench](https://www.flowy.sh/listings/internlm-wildclawbench) | 531 | – | Sep 18, 2026 | MIT | 27 skills | | [codspeed](https://www.flowy.sh/listings/codspeedhq-codspeed) | 378 | +8 | Oct 29, 2026 | Apache-2.0 | 2 skills, 1 MCP server | | [coder-eval](https://www.flowy.sh/listings/uipath-coder-eval) | 155 | +1 | Oct 28, 2026 | Apache-2.0 | 6 skills, 6 commands | | [web-perf-audit](https://www.flowy.sh/listings/evedensity-web-perf-audit) | 3 | 0 | Jul 18, 2026 | MIT | 1 skill | | [tdd-guard](https://www.flowy.sh/alternatives/nizos-tdd-guard) | 2,367 | +6 | Oct 26, 2026 | MIT | 1 skill | | [inspector](https://www.flowy.sh/alternatives/mcpjam-inspector) | 2,287 | +16 | Oct 27, 2026 | – | 7 skills | | [paperjury](https://www.flowy.sh/alternatives/spark-to-paper-skills-paperjury) | 1,214 | +4 | Aug 14, 2026 | MIT | 1 skill | ## The 12 closest alternatives 1. [superpowers-lab](https://www.flowy.sh/listings/obra-superpowers-lab) (434 stars, 0 this week). Experimental skills for Claude Code Superpowers - new techniques and tools under active development. [superpowers-lab on Flowy](https://www.flowy.sh/listings/obra-superpowers-lab) 2. [playwright](https://www.flowy.sh/listings/microsoft-playwright) (98,518 stars, +532 this week). Playwright is a framework for Web Testing and Automation. [playwright on Flowy](https://www.flowy.sh/listings/microsoft-playwright) · [playwright alternatives](https://www.flowy.sh/alternatives/microsoft-playwright) 3. [promptfoo](https://www.flowy.sh/listings/promptfoo-promptfoo) (26,525 stars, +321 this week). promptfoo is a CLI and library for evaluating and red-teaming LLM-based apps. [promptfoo on Flowy](https://www.flowy.sh/listings/promptfoo-promptfoo) · [promptfoo alternatives](https://www.flowy.sh/alternatives/promptfoo-promptfoo) 4. [vibium](https://www.flowy.sh/listings/vibiumdev-vibium) (2,937 stars, -3 this week). The verification layer for coding agents. [vibium on Flowy](https://www.flowy.sh/listings/vibiumdev-vibium) · [vibium alternatives](https://www.flowy.sh/alternatives/vibiumdev-vibium) 5. [kicad-happy](https://www.flowy.sh/listings/aklofas-kicad-happy) (1,504 stars, +56 this week). AI-powered design review for KiCad. [kicad-happy on Flowy](https://www.flowy.sh/listings/aklofas-kicad-happy) · [kicad-happy alternatives](https://www.flowy.sh/alternatives/aklofas-kicad-happy) 6. [wildclawbench](https://www.flowy.sh/listings/internlm-wildclawbench) (531 stars). An in-the-wild benchmark for AI agents in the production harness. [wildclawbench on Flowy](https://www.flowy.sh/listings/internlm-wildclawbench) 7. [codspeed](https://www.flowy.sh/listings/codspeedhq-codspeed) (378 stars, +8 this week). 🎯 \<1% variance in measurements using CPU simulation - no more flaky benchmarks. [codspeed on Flowy](https://www.flowy.sh/listings/codspeedhq-codspeed) 8. [coder-eval](https://www.flowy.sh/listings/uipath-coder-eval) (155 stars, +1 this week). Playwright for coding agents — one declarative test file, any agent runtime, a real sandbox, and a pass/fail gate in CI. [coder-eval on Flowy](https://www.flowy.sh/listings/uipath-coder-eval) 9. [web-perf-audit](https://www.flowy.sh/listings/evedensity-web-perf-audit) (3 stars, 0 this week). A Claude Skill that automates web performance audits (LCP, CLS, INP) using web.dev guidelines, delivers structured reports, actionable fix… [web-perf-audit on Flowy](https://www.flowy.sh/listings/evedensity-web-perf-audit) 10. [tdd-guard](https://www.flowy.sh/listings/nizos-tdd-guard) (2,367 stars, +6 this week). Automated Test-Driven Development enforcement for Claude Code. [tdd-guard on Flowy](https://www.flowy.sh/listings/nizos-tdd-guard) · [tdd-guard alternatives](https://www.flowy.sh/alternatives/nizos-tdd-guard) 11. [inspector](https://www.flowy.sh/listings/mcpjam-inspector) (2,287 stars, +16 this week). Open the hosted app. [inspector on Flowy](https://www.flowy.sh/listings/mcpjam-inspector) · [inspector alternatives](https://www.flowy.sh/alternatives/mcpjam-inspector) 12. [paperjury](https://www.flowy.sh/listings/spark-to-paper-skills-paperjury) (1,214 stars, +4 this week). Pre-submission AI review stress-test for research papers. [paperjury on Flowy](https://www.flowy.sh/listings/spark-to-paper-skills-paperjury) · [paperjury alternatives](https://www.flowy.sh/alternatives/spark-to-paper-skills-paperjury) ## Questions about crabbox alternatives ### What is the best alternative to crabbox? superpowers-lab is the first of 12 alternatives to crabbox by shared technologies: it has 434 stars (behind crabbox), showed no change this week and ships 4 skills against 2 for crabbox. ### Which crabbox alternative has the most skills? wildclawbench has the most, with 27 skills of the 12 alternatives listed. crabbox has 2. ### Is crabbox free? Yes. crabbox is published under the MIT license, so it is free to use. ## Related - [Testing plugins on Flowy](https://www.flowy.sh/listings/category/testing) - [Browse all skills](https://www.flowy.sh/skills) - [crabbox on Flowy](https://www.flowy.sh/listings/openclaw-crabbox)