Agent2Agent logo

Agent2Agent

Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

Categories

articleX19 Jul 2026

Three problems A2A actually solves

x.com

More in Specs

View all tools
Agent Auth Protocol logo

Agent Auth Protocol

The open-source standard and implementation for AI agent authentication, capability-based authorization, and service discovery.

Specs
Agent Client Protocol logo

Agent Client Protocol

Get started with the Agent Client Protocol.

Specs
Agent Host Protocol logo

Agent Host Protocol

Synchronized multi-client state for AI agent sessions

Specs

Keep up with the tools

An occasional email when notable AI dev tools and models land in the directory. No spam, unsubscribe anytime.