# Ecosystem

- [MCP Crosses 97 Million Downloads: The Protocol That Won](https://sdd.sh/2026/03/mcp-crosses-97-million-downloads-the-protocol-that-won.md): Sixteen months after Anthropic published a draft spec, MCP has crossed 97 million monthly SDK downloads — and OpenAI's adoption paired with retiring the Assistants API has effectively handed MCP the crown. Here's what that means for agentic development.