regression-guard vs io.github.microsoft/playwright-mcp
regression-guard is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.
regression-guard is a plugin bundle for AI coding tools published by barnburner121. No marketplace we read lists it any more. io.github.microsoft/playwright-mcp is an MCP server published by microsoft. Marketplaces we read that list it: 4 (Official MCP Registry, Claude Code: claude-plugins-official, Cursor: cursor/plugins, Docker MCP Catalog). As of our marketplace pass on 2026-10-26. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |  io.github.microsoft/playwright-mcp | |
|---|---|---|
| Community marketplace barnburner121/claude-plugin-marketplace | Removed on 2026-10-18 Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 3 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 0.0.82 Downloads/month (npm): 31 345 222 Downloads/week (npm): 6 403 349 Forks (GitHub): 3 315 Stars (GitHub): 38 619 Not marked · First seen |
| Claude Code: claude-plugins-official | Not listed | Listed Version: not stated Forks (GitHub): 4 658 Stars (GitHub): 44 447 Not marked · First seen |
| Cursor: cursor/plugins | Not listed | Listed Version: 1.0.0 Forks (GitHub): 1 396 Stars (GitHub): 13 972 Not marked · First seen |
| Docker MCP Catalog | Not listed | Listed Version: sha256:8771dc4666e7 Forks (GitHub): 3 315 Pulls (Docker Hub): 2 559 324 Stars (Docker Hub): 38 Stars (GitHub): 38 619 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | regression-guardno longer listed · | io.github.microsoft/playwright-mcp |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 4 |
| Stars (GitHub) (differs) | 3 | 44 447 |
| Pulls (Docker Hub) (differs) | No figure on Docker Hub | 2 559 324 |
| Forks (GitHub) (differs) | 0 | 4 658 |
| Last release | Not published | Not published |
| Where it runs (differs) | On your machine (@barnburner121/plugin-hub-mcp) | On your machine (@playwright/mcp) |
| Transport (differs) | Not stated | stdio |
| Tools it declares (differs) | Not published | 23 |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | 2 | 1 |
| Licence | MIT | MIT |
| Repository (differs) | github.com/barnburner121/claude-plugin-marketplace | github.com/microsoft/playwright-mcp |
| Changes in the last 7 days | 0 | 0 |
| First seen (differs) | 2026-10-14 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of regression-guard
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Find test gaps, generate grounded tests, and dynamically prove behavior with mutation testing.
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English skills: evidence-disciplined testing framework, Playwright test review, test cases, Jira bug reports
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Comprehensive testing toolkit for test strategy, coverage analysis, and test data generation. Includes test strategist agent for planning optimal testing approaches.
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Vibe Test — Browser Testing Agent
Code-aware browser testing agent — 14 Playwright tools for AI code editors via MCP
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Test-quality skills for Claude Code. AI-driven mutation testing, where Claude acts as the mutation engine to find weak tests, and agentic testing, where Claude drives the running…
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QA process setup with AAA test cases, P0-P4 bug tracking, metrics reports, OWASP security testing and third-party handoffs. Use for test planning, approved-batch execution and…
What each says it does
regression-guard
Generate regression tests from bug reports
io.github.microsoft/playwright-mcp
Playwright Tools for MCP
How to run each
regression-guard
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
io.github.microsoft/playwright-mcp As a local MCP server: npm package
claude mcp add --transport stdio playwright-mcp -- npx -y @playwright/mcpCommands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
The marketplaces of regression-guard publish no list of tools, so we do not compare tools.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: regression-guard · What it can do: io.github.microsoft/playwright-mcp · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-official/blob/HEAD/.claude-plugin/marketplace.json. Data comes from the public marketplace file https://github.com/cursor/plugins/blob/HEAD/.cursor-plugin/marketplace.json. Data comes from the Docker MCP Catalog (desktop.docker.com/mcp/catalog) and Docker Hub. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.