# MCP spec: 2026-07-28 revision goes stable

> The Model Context Protocol specification's 2026-07-28 revision is now a stable release. The release note itself lists no changes — it points to the published spec and a separate changelog — so anyone maintaining an MCP client or server needs to read that changelog to know what moved.

| | |
|---|---|
| **Tool** | MCP specification |
| **Version** | 2026-07-28 |
| **Kind** | spec_revision |
| **Published** | 2026-07-28 |
| **Observed** | 2026-08-11 |
| **Significance** | 5/5 |
| **Breaking** | no |
| **Categories** | api-change |

> **Note:** this classification is below our confidence threshold and is pending human review.

## What changed


- `2026-07-28` revision declared stable.
- Spec published at modelcontextprotocol.io/specification/2026-07-28.
- Change detail lives in a linked changelog, not in this release note.


## Sources

- [github_release](https://github.com/modelcontextprotocol/modelcontextprotocol/releases/tag/2026-07-28) — retrieved 2026-08-11

## Community

_No curated reactions recorded. Facts and community takes are kept in separate layers
and never blended._

---
Canonical: https://changelogs.info/mcp-spec/2026-07-28
Entity: https://changelogs.info/mcp-spec
Event ID: `evt_2026-07-28_mcp-spec_2026-07-28`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.