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Agents2026-07-11 · source-backed
Microsoft's Agent Framework blog confirms the MCP 2026-07-28 revision is in release candidate with a final lock on July 28, while A2A passed 150 adopting orgs with production SDKs in Python, JS, Java, Go, and .NET. The next two weeks are your window to review MCP breaking changes before the freeze. The MCP-for-tools plus A2A-for-agent-to-agent split is quietly becoming the assumed interop layer, so betting on it now is a reasonable call.
Each link below shares sources, entities, or timing with this story.
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...
July 23, agent-framework-declarative went 1.0.0 for Python, matching the already-stable .NET package (Microsoft). Workflows author in YAML with Power Fx formulas for state and expressions, conditions, loops and jumps, sequential and conditional routing, function tools, MCP and...
Published August 4, the GitHub Copilot Agent for Agent Framework ships as Microsoft.Agents.AI.GitHub.Copilot for .NET 8+ and agent-framework-github-copilot for Python 3.11+ (Microsoft). Every shell command, file write, URL fetch, and custom tool routes through a user-defined p...
If you run a production MCP server, you have a hard deadline. The 2026-07-28 spec removes the protocol-level session model entirely, and it's a breaking change. The MCP release candidate makes every request carry its own protocol version, client info, and capabilities (Model C...
Released July 10, joining .NET and Python, with providers for Foundry, Azure OpenAI, Anthropic, Gemini, A2A, plus MCP support, human-in-the-loop approvals, checkpointed multi-agent workflows, and OpenTelemetry tracing (Microsoft Go Blog). For Go teams running services and clou...
The protocol that powers 14,000+ servers just made a breaking architectural change. If you run an MCP server, your migration clock started four days ago. The Model Context Protocol specification release candidate, locked May 21, removes the initialize/initialized handshake and...
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