# tdd-guard alternatives: 12 Claude Code plugins like nizos/tdd-guard

Flowy lists 77 other Testing plugins like tdd-guard, 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/nizos-tdd-guard

## How they compare

| Plugin | Stars | 7 days | Updated | License | Contains |
| --- | ---: | ---: | ---: | --- | --- |
| [tdd-guard](https://www.flowy.sh/listings/nizos-tdd-guard) | 2,367 | +6 | Oct 26, 2026 | MIT | 1 skill |
| [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 |
| [openspec-tdd](https://www.flowy.sh/listings/yuritoledo-openspec-tdd) | 9 | +1 | Jun 30, 2026 | MIT | 1 skill |
| [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 |
| [inspector](https://www.flowy.sh/alternatives/mcpjam-inspector) | 2,287 | +16 | Oct 27, 2026 | – | 7 skills |
| [codspeed](https://www.flowy.sh/listings/codspeedhq-codspeed) | 378 | +8 | Oct 29, 2026 | Apache-2.0 | 2 skills, 1 MCP server |
| [qaskills](https://www.flowy.sh/listings/pramoddutta-qaskills) | 241 | +5 | Oct 21, 2026 | MIT | 13 skills |
| [polygraph](https://www.flowy.sh/listings/cognitive-fab-polygraph) | 14 | 0 | Sep 13, 2026 | Apache-2.0 | 7 skills, 5 agents, 6 commands |
| [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 29, 2026 | MIT | 11 skills |

## The 12 closest alternatives

1. [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)
2. [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)
3. [openspec-tdd](https://www.flowy.sh/listings/yuritoledo-openspec-tdd) (9 stars, +1 this week). Adds a TDD gate to OpenSpec — a new opsx:tdd command that sits between opsx:propose and opsx:apply. [openspec-tdd on Flowy](https://www.flowy.sh/listings/yuritoledo-openspec-tdd)
4. [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)
5. [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)
6. [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)
7. [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)
8. [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)
9. [qaskills](https://www.flowy.sh/listings/pramoddutta-qaskills) (241 stars, +5 this week). QA Skills Directory QA Skills is a curated directory of testing-specific skills for AI coding agents (Claude Code, Cursor, Copilot, etc.). [qaskills on Flowy](https://www.flowy.sh/listings/pramoddutta-qaskills)
10. [polygraph](https://www.flowy.sh/listings/cognitive-fab-polygraph) (14 stars, 0 this week). Your tests check the paths you thought of. [polygraph on Flowy](https://www.flowy.sh/listings/cognitive-fab-polygraph)
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 tdd-guard alternatives

### What is the best alternative to tdd-guard?

swingerman-atdd is the first of 12 alternatives to tdd-guard by shared technologies: it has 162 stars (behind tdd-guard), gained 3 stars this week and ships 28 skills against 1 for tdd-guard.

### Which tdd-guard alternative has the most skills?

swingerman-atdd has the most, with 28 skills of the 12 alternatives listed. tdd-guard has 1.

### Is tdd-guard free?

Yes. tdd-guard 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)
- [tdd-guard on Flowy](https://www.flowy.sh/listings/nizos-tdd-guard)