Connect AG2 Agents to 8,000+ Tools with Arcade.dev
Overview
Arcade.dev is a tool execution runtime that provides 8,000+ pre-built integrations with just-in-time authorization. It sits between your agents and enterprise systems: your agent calls a tool, the user authenticates once through Arcade, and Arcade handles token management, scope negotiation, and credential storage from that point on. No service accounts, no secrets in your codebase.
This solves common problems when connecting agents to external services:
- Building and maintaining OAuth flows for each API (Gmail, Linear, Slack, etc.)
- Managing token lifecycle: refresh, rotation, expiry
- Storing credentials securely and isolating them from the LLM layer
- Handling scope negotiation and incremental authorization
In this post, we'll build a Gmail assistant using AG2 and the Arcade SDK. The agent will list, search, read threads, send, reply, and archive emails using AG2's AssistantAgent + UserProxyAgent, pattern while Arcade handles all the authentication and API complexity behind the scenes.