Chrome Extension Builder vs Chrome DevTools MCP
Chrome Extension Builder is a plugin bundle for AI coding tools published by harry-harish. Marketplaces we read that list it: 1 (Claude Code: claude-plugins-community). Chrome DevTools MCP is an MCP server published by ChromeDevTools. Marketplaces we read that list it: 5 (Official MCP Registry, Claude Code: claude-plugins-official, Copilot CLI: github/awesome-copilot, Community GitHub marketplaces, Claude Code: claude-plugins-community). As of our marketplace pass on 2026-10-15. This pair was picked by a reader, not by our comparison rule, so search engines are asked not to index the page.
Where each is published
| Marketplace |  Chrome Extension Builder |  Chrome DevTools MCP |
|---|---|---|
| Claude Code: claude-plugins-community | Listed Version: 1.4.0 Forks (GitHub): 0 Stars (GitHub): 1 Not marked · First seen |
Listed Version: 1.6.0 Forks (GitHub): 6 601 Stars (GitHub): 53 525 Not marked · First seen |
| Official MCP Registry | Not listed | Listed Version: 1.10.1 Downloads/month (npm): 7 493 150 Downloads/week (npm): 1 060 392 Forks (GitHub): 6 601 Stars (GitHub): 53 525 Not marked · First seen |
| Claude Code: claude-plugins-official | Not listed | Listed Version: 1.9.0 Forks (GitHub): 6 601 Stars (GitHub): 53 525 Not marked · First seen |
| Copilot CLI: github/awesome-copilot | Not listed | Listed Version: 1.0.1 Forks (GitHub): 6 601 Stars (GitHub): 53 525 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 | Chrome Extension Builder | Chrome DevTools MCP |
|---|---|---|
| Marketplaces that list it (differs) | 1 (worse) | 5 (better) |
| Stars (GitHub) (differs) | 1 (worse) | 53 525 (better) |
| Forks (GitHub) (differs) | 0 (worse) | 6 601 (better) |
| Last release | Not published | Not published |
| Where it runs (differs) | Installs as a plugin bundle | On your machine (chrome-devtools-mcp) |
| Transport (differs) | Not stated | stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Hooks it runs (differs) | 3 | Not published |
| Parts of the bundle (differs) | 19 | 8 |
| Licence (differs) | MIT | Apache-2.0 |
| Repository (differs) | github.com/harry-harish/chrome-extension-builder | github.com/chromedevtools/chrome-devtools-mcp |
| Changes in the last 7 days (differs) | 0 | 9 |
| First seen | 2026-10-11 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. Where the data itself says which value is better (more marketplaces, a larger figure of the same marketplace, a fresher release, a verified mark on a marketplace that lists both), the better one is also marked green with ▲ and the worse one red with ▼. Where it runs, the transport, the tools, the settings, hooks, the bundle's parts, the licence and the week's changes are marked only as different: more or fewer is not better in itself.
What each says it does
Chrome Extension Builder
Use when scaffolding, validating, testing, or publishing a Manifest V3 Chrome/Edge/Firefox extension. Builds end-to-end with WXT, Plasmo, or CRXJS — service-worker dispatcher, typed message passing, strict CSP, _locales/ i18n, Playwright smoke harness, Chrome Web Store submission prep.
Chrome DevTools MCP
MCP server for Chrome DevTools
How to run each
Chrome Extension Builder As a Claude Code plugin
/plugin marketplace add anthropics/claude-plugins-community
/plugin install chrome-extension-builder@claude-communityChrome DevTools MCP As a local MCP server: npm package
claude mcp add --transport stdio chrome-devtools-mcp -- npx -y chrome-devtools-mcpCommands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: Chrome Extension Builder · What it can do: Chrome DevTools MCP · Compare two other plugins
Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-community/blob/HEAD/.claude-plugin/marketplace.json. 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/github/awesome-copilot/blob/HEAD/.github/plugin/marketplace.json. Data comes from public marketplace files in GitHub repositories of their authors. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.