# promptfoo alternatives: 12 Claude Code plugins like promptfoo/promptfoo Flowy lists 77 other Testing plugins like promptfoo, ranked by shared technologies, then GitHub stars; nothing in this list is paid. Published: Oct 23, 2026 · Updated: Oct 27, 2026 · Author: Flowy Canonical: https://www.flowy.sh/alternatives/promptfoo-promptfoo ## How they compare | Plugin | Stars | 7 days | Updated | License | Contains | | --- | ---: | ---: | ---: | --- | --- | | [promptfoo](https://www.flowy.sh/listings/promptfoo-promptfoo) | 26,525 | +321 | Oct 27, 2026 | MIT | 6 skills | | [inspector](https://www.flowy.sh/alternatives/mcpjam-inspector) | 2,287 | +16 | Oct 27, 2026 | – | 7 skills | | [agentic-qe](https://www.flowy.sh/listings/proffesor-for-testing-agentic-qe) | 515 | +7 | Oct 25, 2026 | MIT | 119 skills, 169 agents, 149 commands, 1 MCP server | | [playwright](https://www.flowy.sh/alternatives/microsoft-playwright) | 98,518 | +532 | Oct 25, 2026 | Apache-2.0 | 9 skills, 7 agents | | [deepeval](https://www.flowy.sh/alternatives/confident-ai-deepeval) | 19,173 | +145 | Oct 27, 2026 | Apache-2.0 | 3 skills | | [vibium](https://www.flowy.sh/alternatives/vibiumdev-vibium) | 2,937 | -3 | Oct 27, 2026 | Apache-2.0 | 2 skills | | [tdd-guard](https://www.flowy.sh/alternatives/nizos-tdd-guard) | 2,367 | +6 | Oct 12, 2026 | MIT | 1 skill | | [crabbox](https://www.flowy.sh/alternatives/openclaw-crabbox) | 1,501 | +15 | Oct 24, 2026 | MIT | 2 skills | | [skillgrade](https://www.flowy.sh/listings/mgechev-skillgrade) | 730 | +5 | Oct 11, 2026 | MIT | 2 skills | | [swingerman-atdd](https://www.flowy.sh/listings/swingerman-disciplined-agentic-engineering) | 162 | +3 | Oct 27, 2026 | MIT | 28 skills, 8 agents, 4 commands, 2 hooks | | [entrix](https://www.flowy.sh/listings/phodal-entrix) | 105 | – | May 28, 2026 | MIT | 1 skill | | [playwright-cli](https://www.flowy.sh/alternatives/microsoft-playwright-cli) | 14,628 | +252 | Oct 19, 2026 | Apache-2.0 | 2 skills | | [kicad-happy](https://www.flowy.sh/alternatives/aklofas-kicad-happy) | 1,504 | +56 | Oct 25, 2026 | MIT | 11 skills | ## The 12 closest alternatives 1. [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) 2. [agentic-qe](https://www.flowy.sh/listings/proffesor-for-testing-agentic-qe) (515 stars, +7 this week). Quality engineering tools for your coding agent. [agentic-qe on Flowy](https://www.flowy.sh/listings/proffesor-for-testing-agentic-qe) 3. [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) 4. [deepeval](https://www.flowy.sh/listings/confident-ai-deepeval) (19,173 stars, +145 this week). 📐 Large variety of ready-to-use LLM eval metrics (all with explanations) powered by ANY LLM of your choice, statistical methods, or NLP… [deepeval on Flowy](https://www.flowy.sh/listings/confident-ai-deepeval) · [deepeval alternatives](https://www.flowy.sh/alternatives/confident-ai-deepeval) 5. [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) 6. [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) 7. [crabbox](https://www.flowy.sh/listings/openclaw-crabbox) (1,501 stars, +15 this week). Crabbox gives agents and humans a computer to run tests, builds, and UI checks while they keep editing locally. [crabbox on Flowy](https://www.flowy.sh/listings/openclaw-crabbox) · [crabbox alternatives](https://www.flowy.sh/alternatives/openclaw-crabbox) 8. [skillgrade](https://www.flowy.sh/listings/mgechev-skillgrade) (730 stars, +5 this week). An eval harness for AI coding agents. [skillgrade on Flowy](https://www.flowy.sh/listings/mgechev-skillgrade) 9. [swingerman-atdd](https://www.flowy.sh/listings/swingerman-disciplined-agentic-engineering) (162 stars, +3 this week). A methodology kit for engineering-led AI development — spec-driven, test-driven, charter-bound. [swingerman-atdd on Flowy](https://www.flowy.sh/listings/swingerman-disciplined-agentic-engineering) 10. [entrix](https://www.flowy.sh/listings/phodal-entrix) (105 stars). A Harness Engineering tool for turning quality rules, architecture constraints, and validation steps into executable guardrails. [entrix on Flowy](https://www.flowy.sh/listings/phodal-entrix) 11. [playwright-cli](https://www.flowy.sh/listings/microsoft-playwright-cli) (14,628 stars, +252 this week). Playwright CLI with SKILLS. [playwright-cli on Flowy](https://www.flowy.sh/listings/microsoft-playwright-cli) · [playwright-cli alternatives](https://www.flowy.sh/alternatives/microsoft-playwright-cli) 12. [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) ## Questions about promptfoo alternatives ### What is the best alternative to promptfoo? inspector is the first of 12 alternatives to promptfoo by shared technologies: it has 2,287 stars (behind promptfoo), gained 16 stars this week and ships 7 skills against 6 for promptfoo. ### Which promptfoo alternative has the most skills? agentic-qe has the most, with 119 skills of the 12 alternatives listed. promptfoo has 6. ### Is promptfoo free? Yes. promptfoo 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) - [promptfoo on Flowy](https://www.flowy.sh/listings/promptfoo-promptfoo)