The 25 most popular MCP servers on 2026-10-18, one per repository, ranked by GitHub stars. Each one links to its full security report and install command.
Superpowers
Structured dev workflow for AI coding agents, from design refinement to TDD implementation Stars: 296k · Security: Low risk.
markitdown
Convert many file formats, local or remote, to Markdown for LLMs using MarkItDown. Stars: 190.8k · Security: Low risk.
servers
Direct local file system access. Stars: 91.3k · Security: Low risk.
storybook
Helps agents write and test Storybook stories for UI components. Stars: 91.3k · Security: Low risk.
netdata
Discovery, exploration, reporting and root cause analysis over Netdata metrics, logs, systems, containers, processes and network connections. Stars: 81k · Security: Low risk.
Ruflo
Coordinates multi-agent swarms and autonomous workflows for Claude Stars: 74k · Security: Low risk.
OpenSpec
Spec-driven development that aligns humans and AI assistants before coding starts Stars: 71k · Security: Low risk.
Context7
Up-to-date code documentation for LLMs and AI code editors. Stars: 63.2k · Security: Review before installing.
Penpot
Open-source design and prototyping platform with real-time collaboration Stars: 61k · Security: Low risk.
Chrome DevTools
Programmatic access to Chrome DevTools for browser control, inspection, and debugging Stars: 53k · Security: Low risk.
hindsight
Hindsight: long-term memory for AI agents modeled on human memory. Stars: 50.9k · Security: Low risk.
Codebase Memory
Indexes a repo into a persistent local knowledge graph of functions, classes, call chains, HTTP routes and cross-service links, using tree-sitter and LSP. Stars: 46.8k · Security: Low risk.
posthog
Interact with PostHog analytics, feature flags, error tracking and more. Stars: 40.3k · Security: Review before installing.
UI-TARS-desktop
Browser automation using Puppeteer, supporting local and remote browser connections. Stars: 39.3k · Security: Low risk.
MindsDB
Builds AI apps that answer questions over federated data sources via a query engine Stars: 39k · Security: Low risk.
Playwright
Playwright browser automation: interact with web pages through structured accessibility snapshots. Stars: 38.3k · Security: Low risk.
browser
Headless browser for AI and web automation with a built-in MCP server. Stars: 36.6k · Security: Low risk.
Next AI Draw.io
Creates and edits draw.io diagrams from natural language Stars: 36k · Security: Low risk.
GitHub
GitHub integration for repository management, pull requests, issues and more. Stars: 33.7k · Security: Review before installing.
Cognee
Memory manager for AI apps and agents using graph and vector stores, with ingestion from many data sources. Stars: 32.4k · Security: Low risk.
Graphiti
Builds temporally aware knowledge graphs for agents in dynamic environments Stars: 32k · Security: Low risk.
Blender
Connect AI assistants to Blender. Stars: 31.4k · Security: Low risk.
Serena
Coding agent that uses language servers for symbolic code operations. Stars: 30.4k · Security: Low risk.
GPT Researcher
Web and local research that produces cited, comprehensive reports Stars: 30k · Security: Low risk.
Cua
Creates and manages macOS and Linux VMs on Apple Silicon for AI agents Stars: 29k · Security: Low risk.