# The best free MCP servers, registries and toolkits Every option in the catalog for when you need to connect an AI assistant to your own tools and data — 15 MCP servers, registries and toolkits, 15 of them free or freemium, with the pricing tier printed on every row. ## Stats - 15 tools listed - 15 free or freemium - 10 with no paid plan at all - 1 sub-categories covered ## FAQ ### What are the best free MCP servers, registries and toolkits? Flocci AI Tools lists 15 of them, ordered free tiers first: MCP Registry (Official), Agent2Agent (A2A) Protocol, FastMCP, GitHub MCP Server and MCP Inspector. Every one of them is free or has a free tier. Each entry states what it uniquely does rather than a score. ### Which of these are completely free? 10 on this page are marked fully free with no paid plan at all: MCP Registry (Official), Agent2Agent (A2A) Protocol, FastMCP, GitHub MCP Server and MCP Inspector. The remaining 5 are freemium, trial or paid, and each is labelled with its exact tier so nothing surprises you at sign-up. ### How is this list ordered? Free tools first, then freemium, then trial, then paid, and alphabetically inside each tier. Nobody pays to appear higher: Flocci AI Tools carries no ads, no sponsored slots and no paid listings, so the order reflects price and nothing else. ## Quick picks ### Which MCP servers, registries and toolkits work in a browser with no install? MCP Registry (Official), Composio, Glama, Smithery and Zapier MCP all work in a browser tab with no install needed — just open the site and go. 5 of the 15 free MCP servers, registries and toolkits listed here are browser-based. ### Which MCP servers, registries and toolkits let you sign in with Google? mcp-use, Composio, Glama, Smithery and Zapier MCP support Google sign-in, so you can start without creating a new account. That's 6 of the 15 free MCP servers, registries and toolkits on this page. ### Which MCP servers, registries and toolkits can you self-host or run offline? Agent2Agent (A2A) Protocol, FastMCP, GitHub MCP Server, MCP Inspector and MCP Python SDK can be self-hosted or run locally without a browser — useful for privacy, air-gapped networks, or avoiding API rate limits. 8 of the 15 free MCP servers, registries and toolkits here run offline. ## Tools - [MCP Registry (Official)](https://aitools.flocci.in/tool/mcp-registry-official) — Free — The canonical open-source specification and docs for the Model Context Protocol - [Agent2Agent (A2A) Protocol](https://aitools.flocci.in/tool/agent2agent-a2a-protocol) — Free — Open protocol for agents from different vendors to discover and talk to each other - [FastMCP](https://aitools.flocci.in/tool/fastmcp) — Free — Pythonic framework for building MCP servers and clients in a few lines - [GitHub MCP Server](https://aitools.flocci.in/tool/github-mcp-server) — Free — GitHub's official MCP server for repos, issues, PRs and Actions - [MCP Inspector](https://aitools.flocci.in/tool/mcp-inspector) — Free — Visual testing and debugging tool for MCP servers - [MCP Python SDK](https://aitools.flocci.in/tool/mcp-python-sdk) — Free — Official Python SDK for MCP servers and clients - [MCP TypeScript SDK](https://aitools.flocci.in/tool/mcp-typescript-sdk) — Free — Official TypeScript SDK for MCP servers and clients - [mcp-use](https://aitools.flocci.in/tool/mcp-use) — Free — Fullstack framework for building MCP servers and MCP Apps for ChatGPT and Claude - [MetaMCP](https://aitools.flocci.in/tool/metamcp) — Free — Aggregates many MCP servers behind one endpoint with a web UI - [Official MCP Reference Servers](https://aitools.flocci.in/tool/official-mcp-reference-servers) — Free — Reference MCP servers such as filesystem, git, fetch and memory - [Composio](https://aitools.flocci.in/tool/composio) — Freemium — Managed auth + tool-call infrastructure for agents across 250+ apps - [Glama](https://aitools.flocci.in/tool/glama) — Freemium — Indexes and security-scans thousands of MCP servers for compatibility/safety - [Smithery](https://aitools.flocci.in/tool/smithery) — Freemium — Marketplace of 14,000+ hosted MCP servers with one-click connect - [Zapier MCP](https://aitools.flocci.in/tool/zapier-mcp) — Freemium — Turns any of Zapier's 9,000+ app integrations into callable MCP tools for any AI client - [Cloudflare MCP](https://aitools.flocci.in/tool/cloudflare-mcp) — Freemium — Build and deploy remote MCP servers directly on Cloudflare Workers with built-in OAuth --- Source: Flocci AI Tools — https://aitools.flocci.in/best/best-mcp-ecosystem Facts last verified: October 2026