# MCP specification: 2024-11-05 revision finalised

> Housekeeping tag closing out the 2024-11-05 MCP spec revision. It rolls up every backwards-compatible change made since that revision first shipped; no new behaviour is introduced.

| | |
|---|---|
| **Tool** | MCP specification |
| **Version** | 2024-11-05-final |
| **Kind** | spec_revision |
| **Published** | 2025-03-26 |
| **Observed** | 2026-08-11 |
| **Significance** | 2/5 |
| **Breaking** | no |
| **Categories** | docs |

## What changed


- Final tag for the `2024-11-05` spec revision.
- Contents are the accumulated backwards-compatible edits since the initial 2024-11-05 release.
- No individual changes are itemised in the release note.


## Sources

- [github_release](https://github.com/modelcontextprotocol/modelcontextprotocol/releases/tag/2024-11-05-final) — 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/2024-11-05-final
Entity: https://changelogs.info/mcp-spec
Event ID: `evt_2025-03-26_mcp-spec_2024-11-05-final`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.