Collection · updated 11 Aug 2026

JavaScript MCP servers, ranked by security grade

We graded 41 MCP servers written in JavaScript. 61% of them have had no commit in six months — the ecosystem average is 28%.

30 servers, ranked by grade then popularity

A+ 1. u14app/deep-research Use any LLMs (Large Language Models) for Deep Research. Support SSE API and MCP server. 100/100 · 4,683★ · 52d since commit · 0 findings A+ 2. brightdata/brightdata-mcp A powerful Model Context Protocol (MCP) server that provides an all-in-one solution for public web access. 100/100 · 2,579★ · 13d since commit · 0 findings A+ 3. benborla/mcp-server-mysql A Model Context Protocol server that provides read-only access to MySQL databases. This server enables LLMs to 100/100 · 2,024★ · 13d since commit · 0 findings A+ 4. Joooook/12306-mcp This is a 12306 ticket search server based on the Model Context Protocol (MCP). 100/100 · 1,164★ · 9d since commit · 0 findings A+ 5. openbnb-org/mcp-server-airbnb Search Airbnb using your AI Agent 100/100 · 505★ · 3d since commit · 0 findings A+ 6. DMontgomery40/mcp-3D-printer-server Connects MCP to major 3D printer APIs (Orca, FULU's Orca/Bambu, OctoPrint, Klipper, Duet, Repetier, Prusa, Cre 100/100 · 224★ · 10d since commit · 0 findings A 7. firecrawl/firecrawl-mcp-server 🔥 Official Firecrawl MCP Server - Adds powerful web scraping and search to Cursor, Claude and any other LLM cl 95/100 · 7,202★ · -1d since commit · 1 finding A 8. cjo4m06/mcp-shrimp-task-manager Shrimp Task Manager is a task tool built for AI Agents, emphasizing chain-of-thought, reflection, and style co 93/100 · 2,148★ · 353d since commit · 1 finding A 9. caol64/wenyan-mcp 文颜 MCP Server 可以让 AI 自动将 Markdown 文章排版后发布至微信公众号。 100/100 · 1,297★ · 102d since commit · 0 findings A 10. JetBrains/mcp-jetbrains A model context protocol server to work with JetBrains IDEs: IntelliJ, PyCharm, WebStorm, etc. Also, works wit 93/100 · 965★ · 214d since commit · 1 finding A 11. atlassian/atlassian-mcp-server Official remote MCP server for Atlassian. Securely connect Jira, Confluence, Jira Service Management, Bitbucke 95/100 · 951★ · 13d since commit · 1 finding A 12. sv-number/mcp-server MCP server for AI agents that need a phone number: order a private number in 200+ countries, read the SMS veri 95/100 · 523★ · -1d since commit · 1 finding A 13. marianfoo/sap-ai-mcp-servers A complete list of SAP MCP Servers and SAP AI Skills 95/100 · 422★ · -1d since commit · 1 finding A 14. Cicatriiz/healthcare-mcp-public A Model Context Protocol (MCP) server providing AI assistants with access to healthcare data and medical infor 93/100 · 125★ · 358d since commit · 1 finding A 15. wheattoast11/openrouter-deep-research-mcp A multi-agent research MCP server + mini client adapter - orchestrates a net of async agents or streaming swar 95/100 · 53★ · 133d since commit · 1 finding B 16. freestylefly/mcp-server-weread 微信读书MCP 85/100 · 570★ · 448d since commit · 1 finding B 17. jerhadf/linear-mcp-server A server that integrates Linear's project management system with the Model Context Protocol (MCP) to allow LLM 85/100 · 347★ · 465d since commit · 1 finding B 18. aliargun/mcp-server-gemini MCP server implementation for Google's Gemini API 85/100 · 258★ · 391d since commit · 1 finding B 19. gdli6177/mcp-prompt-server 这是一个基于Model Context Protocol (MCP)的服务器，用于根据用户任务需求提供预设的prompt模板，帮助Cline/Cursor/Windsurf...更高效地执行各种任务。服务器将预设的pro 85/100 · 247★ · 375d since commit · 1 finding B 20. peng-shawn/mermaid-mcp-server A Model Context Protocol (MCP) server that converts Mermaid diagrams to PNG images 85/100 · 233★ · 414d since commit · 1 finding B 21. DMontgomery40/bambu-printer-mcp MCP server for Bambu Lab 3D printers — STL manipulation, BambuStudio slicing, and direct printer control 84/100 · 107★ · 10d since commit · 1 finding B 22. yokingma/time-mcp ⏰ Time MCP Server: Giving LLMs Time Awareness Capabilities 88/100 · 69★ · 190d since commit · 2 findings B 23. vetcoders/mcp-server-semgrep MCP Server Semgrep is a [Model Context Protocol](https://modelcontextprotocol.io) compliant server that integr 91/100 · 28★ · 13d since commit · 1 finding B 24. Cicatriiz/pophive-mcp-server *Featured on Claude!* MCP server for accessing near real-time health data from Yale's PopHIVE platform, as wel 85/100 · 23★ · 376d since commit · 1 finding B 25. CartographAI/mcp-server-codegraph MCP server for graph representation of a codebase 88/100 · 22★ · 310d since commit · 2 findings B 26. Augmented-Nature/Augmented-Nature-UniProt-MCP-Server A comprehensive Model Context Protocol (MCP) server providing advanced access to the UniProt protein database. 85/100 · 19★ · 231d since commit · 2 findings C 27. e2b-dev/mcp-server Giving Claude ability to run code with E2B via MCP (Model Context Protocol) 75/100 · 394★ · 115d since commit · 1 finding C 28. abhiz123/todoist-mcp-server MCP server for Todoist integration enabling natural language task management with Claude 80/100 · 391★ · 476d since commit · 2 findings C 29. recursechat/mcp-server-apple-shortcuts 78/100 · 340★ · 595d since commit · 1 finding C 30. VikashLoomba/MCP-Server-Playwright MCP server for browser automation using Playwright 76/100 · 298★ · 430d since commit · 2 findings

Grades come from static analysis of public source; no live endpoint was probed. A clean grade means our checks found nothing, which is weaker than "safe". Full method.