Enterprise adoption
~78%
≥1 MCP-backed agent in production (Apr 2026)
Public servers
~9,400
up from 1,200 in Q1 2025
Native support: Claude, ChatGPT, Gemini/Vertex, Cursor, Windsurf, Zed, JetBrains AI, Vercel AI SDK, OpenAI Agents SDK. Known gaps: stateful sessions vs horizontal scaling, no .well-known discovery, weak enterprise auth/audit.
Anthropic · spec · 2026 roadmap
Default integration surface for client product → agent. Caveats: don't expose anything more privileged than read-only without auth/audit; supply-chain risk on third-party MCP is real (see incidents).