Arcade.dev vs Nango: which platform for production AI agent integrations in 2026?

Arcade.dev and Nango are platforms designed for AI agent tool calling and API integrations, each serving different use cases. Arcade.dev is an MCP runtime focused on agent authorization, providing a large catalog of pre-built tools and handling per-user OAuth, but it is limited to tool calls without support for data syncs, webhooks, or coding-agent build loops. It is best suited for scenarios where tool calling is the entire scope. Nango, on the other hand, is a more comprehensive integration platform where coding agents like Claude Code and Cursor write integrations as code, covering tool calls, data syncs, webhooks, and unified APIs across over 800 APIs. It offers a scalable runtime with white-label authentication and deep observability, making it suitable for products where AI agents are integral and require extensive integration capabilities. Nango is recommended for engineers building API integrations for AI agents needing a broader range of functionalities beyond simple tool calls.

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