Emerging Tech & Next-Level Software · AI agents, standards & the agent-ready web
Agent2Agent (A2A) Protocol
An open protocol, introduced by Google in 2025 and now developed under the Linux Foundation, that lets AI agents from different vendors discover each other, hand off tasks and collaborate securely.
Also searched as: A2A · agent-to-agent protocol
What it does
- Agent discovery through published agent cards
- Task hand-offs between agents
- Secure authentication
- Works alongside MCP
Who uses it
Software companies and businesses whose AI agents need to work with partners’ or vendors’ agents.
Well-known examples
Google Agent Development Kit · Salesforce Agentforce · SAP Joule · Microsoft Azure AI Foundry
Buy, build or connect?
Custom AI Agent Development
AI agents that do multi-step work (research, data entry, follow-ups, scheduling, reporting) inside your systems, with clear permissions and human approval.
MCP Servers & AI-Agent-Ready Business Data
Make your business usable by AI assistants and agents: MCP servers and APIs that let tools like Claude and ChatGPT check stock, book, quote or order, safely.
Questions about Agent2Agent (A2A) protocols
What is a Agent2Agent (A2A) protocol?
An open protocol, introduced by Google in 2025 and now developed under the Linux Foundation, that lets AI agents from different vendors discover each other, hand off tasks and collaborate securely.
How is AI changing Agent2Agent (A2A) protocols?
If MCP connects an agent to tools, A2A connects agents to each other, setting the stage for a supplier’s agent negotiating directly with a buyer’s agent.
Need a Agent2Agent (A2A) protocol set up, connected or built?
Tell us what you use today and what you need it to do. We will tell you honestly whether to buy, build or connect, with a fixed quote.
- Big projects and small ones are all welcome
- Fixed-price quotes, no surprise invoices
- You own your code, data and accounts
- A client portal to track progress, invoices and payments
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