Model Context Protocol
Protocol / Open Standard
Open protocol for connecting AI models to tools and data sources, originated at Anthropic.
Watched repos
Recent activity
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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.
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The Enterprise-Managed Authorization extension to the Model Context Protocol is now stable, enabling organizations to centrally provision MCP server access through their identity provider so users get connected servers on first login without per-app OAuth.
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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.
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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.
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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. Since then, the community has filed five independent Specification Enhancement Proposals (SEPs) proposing new annotations, driven in part by a sharper collective understanding of where risk actually lives in
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MCP extensions allow developers to layer new capabilities on top of the core MCP protocol without modifying it, enabling richer UI elements, custom auth flows, and domain-specific conventions through community-driven, optional patterns that are strictly additive to the baseline protocol. Official extensions, such as MCP Apps and auth extensions, have already emerged and are maintained collaboratively by the community. Developers can explore and propose their own extensions through the Extensions documentation and SEP process. AI summary
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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.
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MCP Apps allows tools to return interactive UI components directly in the conversation, enabling features like dashboards, forms, visualizations, and workflows, which were previously limited to plain text responses. This is achieved through a sandboxed iframe with restricted permissions, allowing for bidirectional communication between the tool and host via JSON-RPC. The App API provides a standardized way for developers to build new MCP Apps. AI summary
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The Model Context Protocol (MCP) Core Maintainer team has undergone changes, with departing members Inna Harper and Basil Hosmer stepping away to focus on other projects, and new additions Peter Alexander, Caitie McCaffrey, and Kurtis Van Gent joining the team. The new team will focus on hardening the spec for enterprise scenarios, improving security and authentication patterns, and ensuring MCP can scale to meet the demands of organizations deploying it in critical systems. AI summary
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The Transport Working Group is evolving the Model Context Protocol (MCP) to address scalability challenges in enterprise-scale remote deployments, aiming to create a stateless protocol that enables agentic applications while maintaining support for stateful sessions. This involves standardizing a stateless transport option across official SDKs and exploring ways to decouple session state from the transport layer. AI summary
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