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Public story · 2026-02-12 · source-backed
Agent2Agent protocol reaches v0.3 with gRPC support, security card signing, extended Python SDK. Now governed by Linux Foundation with 150+ organizations. Google launched an AI Agent Marketplace for A2A-compatible agents. The convergence of A2A + MCP + WebMCP creates a complete protocol stack for the agentic web.
Each link below shares sources, entities, or timing with this story.
Adobe and S&P Global among adopters. The three-protocol stack crystallizes: MCP for tool access, A2A for agent interop, WebMCP for browser interaction. Google Cloud Blog
AAIF will govern MCP, Block's Goose, AGENTS.md, and Google's A2A under vendor-neutral open governance. AWS, Cisco, Google, Microsoft, Salesforce, SAP, and ServiceNow are participating. Both inter-agent communication and tool access protocols now have neutral stewardship. Linux...
Microsoft, Adobe, SAP, Salesforce, PayPal, ServiceNow. The three-protocol stack (A2A + MCP + WebMCP) is becoming standard enterprise plumbing. Google Cloud Blog
On June 16–17, Google extended its A2A interoperability push with a standard for how agents discover available resources and tools, the same week Microsoft's Work IQ went GA with A2A plus remote MCP. It's a multi-vendor race to standardize the plumbing. Design against the inte...
If you wrote an MCP server before July, it's on a protocol shape the maintainers have already removed. Not deprecated-with-a-migration-window. Removed from the spec. MCP lead maintainers David Soria Parra and Den Delimarsky published an updated roadmap on August 22, and the re...
Backing ecosystem tripled from 50 to 150+ organizations including Microsoft and Amazon. Signed security cards for agent identity verification. Huawei announced A2A-T, a telecom-domain fork. Source
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