100% open-source and free MCP servers for Claude Code, Claude Desktop, and agentic IDEs. MIT / Apache / BSD licensed — install and self-host without subscription, quota, or credit-card gate. Updated every 8 hours.
Free MCP Servers tools are AI-powered software designed to help developers and teams tackle free mcp servers-related tasks more efficiently. These tools are typically published as open-source projects on GitHub and can be integrated into existing workflows via MCP (Model Context Protocol), Claude Skills, or standalone agent frameworks. On Agent Skills Hub, we index 30 quality-scored free mcp servers tools across languages including Rust, TypeScript, JavaScript.
In 2026, the AI agent ecosystem is maturing rapidly. Free MCP Servers tools can significantly boost development efficiency by automating repetitive tasks, reducing human error, and providing intelligent suggestions. The top 3 tools — nuphus-mcp, postman-mcp-server, vurb.ts — have earned an average of 904 GitHub stars, reflecting strong community validation. 30 of the listed tools come with clear open-source licenses, ensuring freedom to use and modify.
When choosing a free mcp servers tool, consider these factors: 1) Community activity — GitHub stars and recent commit frequency indicate reliability; 2) Integration method — check if it supports MCP, Claude, or your preferred agent framework; 3) Language compatibility — the most common language in this list is Rust; 4) Quality score — Agent Skills Hub's composite score evaluates code quality, documentation completeness, and maintenance activity. Our recommendation: start with nuphus-mcp — it ranks highest in both star count and quality score.
Desktop automation MCP server — computer use for any AI agent: control screen, windows, mouse/keyboard, and Chrome via Model Context Protocol (stdio). Not a DSH plugin — DSH users install dsh-nuphus-mcp.
Postman MCP Server — connect AI agents (Claude Code, Cursor, VS Code Copilot, Gemini CLI) to your Postman collections, OpenAPI specs, and environments via Model Context Protocol (MCP)
TypeScript framework for building production MCP servers. Fluent tool API, FSM gating, presenters, semantic routing, cache hints, Zod validation. Model-View-Agent architecture for the Model Context Protocol.
Notion MCP server for Claude, Cursor, ChatGPT & Claude Desktop. Connect AI agents to Notion via Model Context Protocol — pages, databases, blocks, comments, files.
CCXT MCP Server bridges the gap between AI models and cryptocurrency trading by providing a standardized interface through the Model Context Protocol. Created to empower automated trading strategies, this tool allows AI assistants like Claude and GPT to directly interact with over 100 cryptocurrency exchanges without requiring users to write comple
MCP server for Denmark's Aula school platform — TypeScript MitID auth, no headless browser. Exposes profiles, calendar, messages, ugeplaner to AI agents (Claude/Cursor/etc) via Model Context Protocol.
SAP HANA MCP server — Enterprise Model Context Protocol server for SAP HANA. Use with Claude Code, VS Code. npm: hana-mcp-server
MCP Server Framework and Tool Development library for building custom capabilities into agents.
🔌 A curated list of OSINT MCP servers. Pull requests are welcomed!
MCP server that saves Claude Code tokens by delegating bounded tasks to local or cloud LLMs. Works with LM Studio, Ollama, vLLM, DeepSeek, Groq, Cerebras.
Official RollingGo Hotel Booking MCP Server. 2M+ hotels at wholesale rates, 40+ LLM compatible. Free unlimited calls for businesses & individual devs. Filter by location, date, star grade, guests & tags; pull real-time room types, pricing & cancellation rules.
Official DIDA Hotel Booking MCP Server. 14-year travel tech data stack, 2M+ hotels at wholesale rates, 40+ LLM compatible. Free unlimited calls for businesses & individual devs. Filter by location, date, star grade, guests & tags; pull real-time room types, pricing & cancellation rules.
Official DIDA Hotel Booking MCP Server. 14-year travel tech data stack, 2M+ hotels at wholesale rates, 40+ LLM compatible. Free unlimited calls for businesses & individual devs. Filter by location, date, star grade, guests & tags; pull real-time room types, pricing & cancellation rules.
Local Figma MCP server with no REST rate limits, no metered tool-call quotas, and a verification loop. Drop-in alternative to Figma's Dev Mode MCP and Framelink for Claude Code, Cursor, Windsurf — works on every plan including Free.
A Model Context Protocol (MCP) server and app for creating Datawrapper charts using AI assistants.
The missing open-source Kubernetes UI with a built-in MCP server for AI agents. See what's broken, why, and what changed. Issues, Topology, event timeline, Helm, GitOps, live service traffic, and cluster audits - all in one Go binary.
x64dbg-MCP Server is a native MCP (Model Context Protocol) plugin for x64dbg that exposes the debugger's full functionality over HTTP. Connect any MCP-compatible AI assistant and control x64dbg programmatically: set breakpoints, step through code, read memory, dump registers, and more. Built with Zig — zero dependencies, single-binary output, cros
Open-source meeting transcription API for Google Meet, Microsoft Teams & Zoom. Auto-join bots, real-time WebSocket transcripts, MCP server for AI agents. Self-host or use hosted SaaS.
One place to manage & connect to all your MCP servers
Open-source MCP server for comparing products and asking the buyer before purchase.
Local-first, agent-native control plane for ComfyUI — MCP server + sidebar agent that generates images, video & audio, authors and runs workflows, and edits your live graph in natural language on ANY LLM (Claude, ChatGPT, Gemini, offline Ollama, or any hosted model). 178 tools, 36 AI skills, 55 installer packs. Local, LAN, VPS, or Comfy Cloud.
MCP server SDK/example implemented entirely in bash — build a Model Context Protocol server with no runtime dependency beyond a POSIX shell.
A unified Model Context Protocol server implementation that aggregates multiple MCP servers into one.
An MCP server that securely interfaces with your iMessage database via the Model Context Protocol (MCP), allowing LLMs to query and analyze iMessage conversations. It includes robust phone number validation, attachment processing, contact management, group chat handling, and full support for sending and receiving messages.
The Google Ads MCP Server is an implementation of the Model Context Protocol (MCP) that enables Large Language Models (LLMs), such as Gemini, to interact directly with the Google Ads API.
Plug-and-play homelab dashboard in one container — GPU, local-AI VRAM, Docker, systemd, host health. Built-in read-only MCP server so AI agents can explore it too.
Metorial MCP Index - An ever growing list of open source MCP servers 📁 🎉
[Community Supported] Perforce P4 MCP Server is a Model Context Protocol (MCP) server that integrates with the Perforce P4 version control system.
The Optuna MCP Server is a Model Context Protocol (MCP) server to interact with Optuna APIs.
| Tool | Stars | Language | License | Score |
|---|---|---|---|---|
| nuphus-mcp | ★ 315 | Rust | MIT | 69 |
| postman-mcp-server | ★ 316 | TypeScript | Apache-2.0 | 67 |
| vurb.ts | ★ 251 | TypeScript | Apache-2.0 | 54 |
| notion-mcp-server | ★ 172 | TypeScript | MIT | 65 |
| ccxt-mcp | ★ 94 | TypeScript | MIT | 74 |
| aula-mcp | ★ 61 | TypeScript | MIT | 64 |
| hana-mcp-server | ★ 62 | JavaScript | MIT | 62 |
| arcade-mcp | ★ 1.0k | Python | MIT | 69 |
| awesome-osint-mcp-servers | ★ 497 | — | MIT | 72 |
| houtini-lm | ★ 119 | TypeScript | Apache-2.0 | 72 |
| mcp | ★ 9.7k | Python | Apache-2.0 | 75 |
| RollingGo-Hotel-MCP-Global | ★ 86 | Python | MIT | 74 |
| Dida-RollingGo-Hotel-MCP-Global | ★ 81 | Python | MIT | 72 |
| Dida-Hotel-MCP-Global | ★ 81 | Python | MIT | 71 |
| plumb-mcp | ★ 85 | TypeScript | MIT | 62 |
| datawrapper-mcp | ★ 51 | Python | MIT | 68 |
| radar | ★ 3.6k | Go | Apache-2.0 | 72 |
| x64dbg-mcp-server | ★ 2.2k | Zig | MIT | 84 |
| vexa | ★ 2.8k | Python | Apache-2.0 | 71 |
| MCPJungle | ★ 1.2k | Go | MPL-2.0 | 76 |
| northcinder | ★ 1.2k | JavaScript | MIT | 75 |
| comfyui-mcp | ★ 778 | TypeScript | MIT | 72 |
| mcp-server-bash-sdk | ★ 515 | Shell | MIT | 74 |
| agent | ★ 510 | TypeScript | Apache-2.0 | 69 |
| mac_messages_mcp | ★ 331 | Python | MIT | 71 |
| google_ads_mcp | ★ 226 | Python | Apache-2.0 | 69 |
| homelab-monitor | ★ 211 | Python | MIT | 64 |
| metorial-index | ★ 283 | TypeScript | MIT | 44 |
| p4mcp-server | ★ 119 | Python | MIT | 68 |
| optuna-mcp | ★ 84 | Python | MIT | 74 |
The top free mcp servers in 2026 are nuphus-mcp, postman-mcp-server, vurb.ts. Agent Skills Hub ranks 30 options by GitHub stars, quality score (6 dimensions including completeness, examples, and agent readiness), and recent activity. The list is rebuilt every 8 hours from live GitHub data.
nuphus-mcp (315 stars) is the most adopted choice for general free mcp servers workflows, written in Rust. postman-mcp-server (316 stars) is a strong alternative and uses TypeScript instead. Pick by your existing stack: match the language and runtime your team already uses to minimize integration cost. If unsure, start with nuphus-mcp — it has the deepest community and the most examples online.
Avoid pre-built free mcp servers when (1) your use case requires deep customization that the tool's plugin system doesn't support, (2) you have strict compliance requirements that ban third-party dependencies, (3) the tool's maintenance is inactive (last commit >6 months ago), or (4) your data volume is small enough that a 50-line custom script is cheaper than learning the tool. For most production workflows above 100 requests/day, the time savings from a maintained tool outweigh the customization loss.
Free MCP Servers focuses specifically on 100% open-source and free mcp servers for claude code, claude desktop, and agentic ides. mit / apache / bsd licensed — install and self-host without subscription, quota, or credit-card gate. updated every 8 hours. MCP Database Tools is a related but distinct category — see https://agentskillshub.top/best/mcp-database/ for those tools. The two often appear in the same agent pipeline but solve different problems: choose free mcp servers when your primary goal is the specific task, and mcp database tools when the workflow is broader.
For most teams, yes. nuphus-mcp has 315 stars worth of community testing, handles edge cases you haven't thought of, and ships with documentation. Build your own only when (1) your requirements are deeply non-standard, (2) you have a security/compliance reason to avoid OSS dependencies, or (3) the maintenance burden is small enough (<200 lines of code) that you'll save time long-term. The break-even point is usually around 2-3 weeks of dev time saved.
Most free mcp servers listed are open source under permissive licenses (MIT, Apache 2.0). A handful offer paid managed/cloud versions on top of free self-hosted core. Always check the LICENSE file on each tool's GitHub repository before commercial use — some use AGPL or non-commercial restrictions that may not fit your deployment model.
Grades come from a rule-based scan built on the SlowMist agent-security taxonomy, covering 11 red-flag categories including credential harvesting, data exfiltration, and curl | sh installers. It is a first-layer scan, not a manual audit — we say so rather than overstate it.
The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.
Sources & who's responsible:
