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Model Context Protocol Blog

25 stories

Stories

  • The New MCP Roadmap

    An update on the Model Context Protocol roadmap and focus areas for upcoming specification releases.

    Model Context Protocol (MCP) Blog6 min read

  • The 2026-07-28 Specification

    The 2026-07-28 Model Context Protocol specification is out, bringing a stateless protocol core, Multi Round-Trip Requests, header-based routing, cacheable list results, authorization hardening, a formal extensions framework, and updated Tier 1 SDKs.

    Model Context Protocol (MCP) Blog10 min read

  • The Official Ruby SDK for MCP Reaches 1.0

    The official Ruby SDK for the Model Context Protocol has reached version 1.0 with a stable public API and a 100% conformance pass rate. The SDK now meets every Tier 2 requirement of the MCP SDK tiering system, and development toward Tier 1 continues.

    Model Context Protocol (MCP) Blog2 min read

  • Beta SDKs for the 2026-07-28 MCP Spec Release Candidate Are Here

    Beta releases of the Python, TypeScript, Go, and C# SDKs are now available with support for the 2026-07-28 MCP specification release candidate. Here is what changes for your server, how to migrate, and how to test before the spec goes final on July 28.

    Model Context Protocol (MCP) Blog8 min read

  • The 2026-07-28 MCP Specification Release Candidate

    The release candidate for the next Model Context Protocol (MCP) specification is now available: a stateless protocol core, the Extensions framework, Tasks, MCP Apps, authorization hardening, and a formal deprecation policy.

    Model Context Protocol (MCP) Blog9 min read

  • Expanding the MCP Maintainer Team

    Updates to the Model Context Protocol (MCP) governance team: a new Lead Maintainer and an addition to the Core Maintainer group as the open-source project continues to grow.

    Model Context Protocol (MCP) Blog3 min read

  • Tool Annotations as Risk Vocabulary: What Hints Can and Can't Do

    MCP tool annotations were introduced nearly a year ago as a way for servers to describe the behavior of their tools — whether they’re read-only, destructive, idempotent, or reach outside their local environment.

    Model Context Protocol (MCP) Blog10 min read

  • Understanding MCP Extensions

    A practical guide to MCP extensions: how they layer new capabilities on top of the core protocol, and patterns the community is already using.

    Model Context Protocol (MCP) Blog4 min read

  • The 2026 MCP Roadmap

    The updated Model Context Protocol roadmap for 2026: transport scalability, agent communication, governance maturation, and enterprise readiness, plus guidance on SEP prioritization and how to get involved.

    Model Context Protocol (MCP) Blog6 min read

  • MCP Apps - Bringing UI Capabilities To MCP Clients

    MCP Apps is now live as the first official MCP extension — tools can return interactive UI components that render directly in the conversation.

    Model Context Protocol (MCP) Blog8 min read

  • January MCP Core Maintainer Update

    Core Maintainer team changes for 2026: departing members, new additions, and what's ahead for MCP governance.

    Model Context Protocol (MCP) Blog4 min read

  • Exploring the Future of MCP Transports

    The Transport Working Group's plan to evolve MCP beyond Streamable HTTP for enterprise-scale remote deployments.

    Model Context Protocol (MCP) Blog6 min read

  • MCP joins the Agentic AI Foundation

    Anthropic is donating MCP to the newly formed Agentic AI Foundation under the Linux Foundation, ensuring vendor-neutral governance for the protocol's future.

    Model Context Protocol (MCP) Blog2 min read

  • SEPs Are Moving to Pull Requests

    SEPs are moving from GitHub Issues to pull requests against the seps/ directory — why, and what changes for contributors.

    Model Context Protocol (MCP) Blog3 min read

  • MCP Apps: Extending servers with interactive user interfaces

    Introducing the MCP Apps Extension proposal (SEP-1865) to standardize interactive user interfaces in MCP, developed with the MCP-UI creators and maintainers from OpenAI and Anthropic.

    Model Context Protocol (MCP) Blog5 min read

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