Category 6 of 9

# Coordinate Talk to another agent

Classic-web analog: none; agent-to-agent is new

How agents delegate to, negotiate with, and message other agents.

- [Agent Network Protocol](/protocols/anp/) ANP

- [Agent Transfer Protocol](/protocols/agtp/) AGTP

- [Agent2Agent Protocol](/protocols/a2a/) A2A

- [Agentic Advertising Management Protocols](/protocols/aamp/) AAMP

- [Agora Protocol](/protocols/agora-protocol/)

- [AITP (Agent Interaction & Transaction Protocol)](/protocols/aitp/) AITP

- [Coral Protocol (CoralOS)](/protocols/coral-protocol/) Coral

- [Natural Language Interaction Protocol](/protocols/nlip/) NLIP

- [Secure Low-Latency Interactive Messaging](/protocols/slim/) SLIM

- Protocols called ACP [Agent Communication Protocol](/protocols/agent-communication-protocol/)