novuhq/novu
Novu is an open-source communication infrastructure that unifies notification delivery across various channels for both products and AI agents, offering a single API for multi-channel messaging, wo...
Awesome AI Agents › Communication Protocols
Communication Protocols
google-agentic-commerce/AP2
Agent Payments Protocol (AP2) is a project focused on creating a secure and interoperable protocol for AI-driven payments, providing code samples and demos to facilitate development and integration.
a2aproject/a2a-samples
Official sample repository for the Agent2Agent (A2A) protocol, with runnable agent and host implementations in Python, Go, Java, JavaScript and C# built on the official A2A SDKs.
agent-network-protocol/AgentNetworkProtocol
AgentNetworkProtocol (ANP) is an open-source protocol designed to enable secure, decentralized, and efficient communication and collaboration among intelligent agents, aiming to become the HTTP of the Agentic Web era.
universal-tool-calling-protocol/python-utcp
Python reference implementation of the Universal Tool Calling Protocol, a plugin-based standard that lets agents discover and call existing tools directly over HTTP, SSE, CLI and other transports.
google-agentic-commerce/a2a-x402
Specification and reference libraries for the x402 extension to the Agent-to-Agent protocol, letting one agent charge another for a service through on-chain stablecoin payments in a three-message flow.
a2aproject/a2a-java
a2a-java is the official Java SDK for the Agent2Agent protocol, providing client and server modules that expose agentic Java applications over JSON-RPC, gRPC and REST transports.
a2aproject/a2a-go
Go SDK for the Agent2Agent (A2A) protocol that provides client and server libraries for exposing and consuming agents over gRPC, REST and JSON-RPC, together with a CLI for discovery and messaging.
thu-nics/C2C
Research implementation of Cache-to-Cache, a method that lets two large language models exchange semantics directly by projecting and fusing their KV-caches instead of passing generated text between them.