MCP server maintainers have no visibility into how LLMs experience their tools. We're proposing a protocol-level mechanism where the LLM analyzes its own session and reports structured, anonymized fee...
This release marks the stable release of the 2025-11-25 revision of the Model Context Protocol. The specification is available on the official Model Context Protocol website. For a detailed overview o...
This release marks the release candidate (RC) 2025-11-25 revision of the Model Context Protocol. The specification is available in draft form. For a detailed overview of changes, see 2025-11-25 draft ...
This release marks the initial 2025-06-18 revision of the Model Context Protocol. For a detailed overview of changes, see 2025-06-18 changelog. To users and implementors: note that SDKs will adopt thi...
This release marks the initial 2025-03-26 revision of the Model Context Protocol. To users and implementors: note that SDKs will adopt this version at their own pace, and the prior version of the spec...
This release marks the final 2024-11-05 revision of the Model Context Protocol, including all backwards compatible changes made since the initial 2024-11-05 release.