One viral outlier and a stable top tier: REA's provisional 115k stars tower over Context7, Chrome DevTools and Playwright

Asked:

"What are the most popular MCPs as of 2026? For each of them, we should identify what category they fall in, what they're used for, and any specific measurement of popularity, including things like GitHub stars or similar."

There is no audited MCP usage leaderboard — public directories list tens of thousands of servers — so this is a defensible 14-server shortlist, not "all MCPs". It is built from a 40-row cross-source candidate set, the current 50-entry MCP Scorecard, and a 902-row multi-source evidence set, scanned through 2026-10-16. Popularity is led by project-specific GitHub stars with npm downloads, registry installs and forks as secondary signals; directories, SDKs, client apps and the generic reference-server monorepo are excluded.

Read with care: bars mix measurements from different dates (July–October 2026) and different sources. REA's 115,000 stars are single-sourced and provisional. Where sources conflict, the freshest credible project-specific value is shown and the conflict is flagged — never averaged.

GitHub stars per MCP server, freshest credible project-specific measurement. Hover a bar for category, secondary signal and date. Amber = provisional or conflicting sources; dark = corroborated.

REA (Reverse Engineer Anything) reportedly hit 115,000 stars and 25,000 forks by 2026-10-12 after one week — viral attention, single-sourced in the indexed evidence. dev.to

Sustained developer mindshare sits with Context7 (58.5k stars, 890k weekly npm downloads), Chrome DevTools MCP (47.4k, ~1.5m weekly downloads) and Playwright MCP (37.6k, 7.7m downloads in one September week). remoteopenclaw.com

Actual usage and attention diverge: Desktop Commander has only 9.7k-range stars yet 26k+ weekly npm installs, while Scrapling's 33.5k stars come with conflicting third-party counts as high as 86k. innvesti.com

The shortlist spans twelve distinct categories — from reverse engineering and browser automation to databases, design-to-code, Kubernetes observability and Windows desktop control. mcp-scorecard.ai

The shortlist in detail

MCP server	Category	Used for	GitHub stars	Secondary signal	Measured	Source

Shortlist of 14 MCP servers assembled from a 40-row cross-source candidate set, the current 50-entry MCP Scorecard by GitHub stars, and a 902-row multi-source evidence set; sources scanned through 2026-10-16. Stars measure developer attention, not active usage; downloads can include CI and cache traffic; registry installs are platform-specific; repository-level stars overstate single packages in monorepos. Naming variants were collapsed to one entry per project and the freshest credible project-specific value kept; parent-product repository stars (e.g. Firecrawl's platform repo) were excluded. Directories, awesome lists, SDKs, client apps and the reference-server monorepo were cut.

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