A2A vs MCP

AI ProtocolEvolution

Shaping the Future of AI Agent Collaboration. Discover A2A and MCP protocols, AI agents, tools, and ecosystem resources.

MCP

Model Context Protocol

Anthropic

Standardizes how AI connects to external tools and data sources. Like an "AI's USB-C port" — one protocol to access databases, APIs, file systems, and more.

Agent ↔ Tool / Data
ToolIntegrationContext

A2A

Agent-to-Agent Protocol

Google

Enables interoperability between AI agents across vendors and frameworks. Agents discover, delegate, and collaborate — a "diplomatic protocol" for AI.

Agent ↔ Agent
InteroperabilityCollaboration

MCP connects agents with tools. A2A connects agents with agents.

Ecosystem Directory

Browse through curated categories of A2A and MCP ecosystem resources.

MCP Servers

MCP-compatible servers providing tools, data, and API integrations for AI models.

AI Agents

Autonomous AI agents for coding, browsing, research, and workflow automation.

Frameworks & SDKs

SDKs, libraries, and frameworks for building agents and protocol integrations.