1. inspector
2,287 stars+16 this week
Open the hosted app.
Flowy lists 77 other Testing plugins like promptfoo, ranked by shared technologies, then GitHub stars; nothing in this list is paid.
Published · Updated · By Flowy
| Plugin | Stars | 7 days | Updated | License | Contains |
|---|---|---|---|---|---|
| promptfooThis page | 26,525 | +321 | Oct 27, 2026 | MIT | 6 skills |
| 1inspector | 2,287 | +16 | Oct 27, 2026 | not available | 7 skills |
| 2agentic-qe | 515 | +7 | Oct 25, 2026 | MIT | 119 skills, 169 agents, 149 commands, 1 MCP server |
| 3playwright | 98,518 | +532 | Oct 25, 2026 | Apache-2.0 | 9 skills, 7 agents |
| 4deepeval | 19,173 | +145 | Oct 27, 2026 | Apache-2.0 | 3 skills |
| 5vibium | 2,937 | -3 | Oct 27, 2026 | Apache-2.0 | 2 skills |
| 6tdd-guard | 2,367 | +6 | Oct 12, 2026 | MIT | 1 skill |
| 7crabbox | 1,501 | +15 | Oct 24, 2026 | MIT | 2 skills |
| 8skillgrade | 730 | +5 | Oct 11, 2026 | MIT | 2 skills |
| 9swingerman-atdd | 162 | +3 | Oct 27, 2026 | MIT | 28 skills, 8 agents, 4 commands, 2 hooks |
| 10entrix | 105 | not available | May 28, 2026 | MIT | 1 skill |
| 11playwright-cli | 14,628 | +252 | Oct 19, 2026 | Apache-2.0 | 2 skills |
| 12kicad-happy | 1,504 | +56 | Oct 25, 2026 | MIT | 11 skills |
2,287 stars+16 this week
Open the hosted app.
515 stars+7 this week
Quality engineering tools for your coding agent.
98,518 stars+532 this week
Playwright is a framework for Web Testing and Automation.
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…
2,937 stars-3 this week
The verification layer for coding agents.
2,367 stars+6 this week
Automated Test-Driven Development enforcement for Claude Code.
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.
730 stars+5 this week
An eval harness for AI coding agents.
162 stars+3 this week
A methodology kit for engineering-led AI development — spec-driven, test-driven, charter-bound.
105 stars
A Harness Engineering tool for turning quality rules, architecture constraints, and validation steps into executable guardrails.
14,628 stars+252 this week
Playwright CLI with SKILLS
1,504 stars+56 this week
AI-powered design review for KiCad.
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.
agentic-qe has the most, with 119 skills of the 12 alternatives listed. promptfoo has 6.
Yes. promptfoo is published under the MIT license, so it is free to use.