MCP Registry (Official)

The canonical open-source specification and docs for the Model Context Protocol

What MCP Registry (Official) does

  • The canonical open-source specification and docs for the Model Context Protocol
  • Reference server/client SDKs and the official server registry
  • Backed across the ecosystem — Claude, ChatGPT, VS Code, Cursor, MCPJam all implement it

MCP Registry (Official) — straight answers

What is MCP Registry (Official)?

MCP Registry (Official) is listed under MCP Ecosystem, in the AI Agents & Automation category on Flocci AI Tools. The canonical open-source specification and docs for the Model Context Protocol. It is free, with no paid plan attached, and it lives at modelcontextprotocol.io.

Is MCP Registry (Official) free?

MCP Registry (Official) is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 115 entries on Flocci AI Tools with no upgrade path built in.

What can MCP Registry (Official) do?

MCP Registry (Official) does 3 things the catalog singles out: The canonical open-source specification and docs for the model context protocol; reference server/client sdks and the official server registry; backed across the ecosystem — claude, chatgpt, vs code, cursor, mcpjam all implement it.

What is the best free alternative to MCP Registry (Official)?

Cloudflare MCP is the closest free alternative: it sits in the same MCP Ecosystem sub-category and is free tier + paid plans. Composio, Glama and Smithery also start free. The full list is on the alternatives page.

See the full list →

MCP Registry (Official) alternatives

Compare all alternatives →

Smithery

MCP Ecosystem
freemium
  • Marketplace of 14,000+ hosted MCP servers with one-click connect
  • Handles OAuth/credential plumbing automatically for MCP tool auth
  • Connections reusable across Claude, GPT and other MCP clients

Composio

MCP Ecosystem
freemium
  • Managed auth + tool-call infrastructure for agents across 250+ apps
  • Free tier: 20,000 tool calls/month with community support
  • Ships both MCP servers and native SDKs for major agent frameworks

Glama

MCP Ecosystem
freemium
  • Indexes and security-scans thousands of MCP servers for compatibility/safety
  • API gateway for connecting to MCP servers programmatically
  • Free account tier plus paid gateway/enterprise options

Cloudflare MCP

MCP Ecosystem
freemium
  • Build and deploy remote MCP servers directly on Cloudflare Workers with built-in OAuth
  • Ships an Agents SDK for stateful, durable AI agents alongside MCP hosting
  • Runs on Cloudflare's free-tier-eligible Workers platform, scaling to global edge

Zapier MCP

MCP Ecosystem
freemium
  • Turns any of Zapier's 9,000+ app integrations into callable MCP tools for any AI client
  • Pre-authenticated connections avoid per-app OAuth setup for agent builders
  • Included on all Zapier plans (including free), billed against existing task quota

Manus

General Autonomous Agents
freemium
  • Fully autonomous agent in a cloud sandbox
  • Breaks goals into steps and executes them
  • Web research, code execution and file output
  • 'My Computer' desktop environment

Head-to-head comparisons