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Sweep 22 Sep 2026 · 15:52Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
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Home Docs Model Context Protocol 13 Sep 2026
One change · mcp

Specification Enhancement Proposals (SEPs) changed

seps/index

Nearest release: v2.1.271, published 22 hours after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
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Lines−1removed
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First seen 14 Aug 2026 this site's first read of the page
Recorded edits2to this page, all time

The whole hunk

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1111## Summary
1212 
13* **Final**: 41
13* **Final**: 42
1414 
1515## All SEPs
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1717| SEP | Title | Status | Type | Created |
1818| ------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------- | ----------------------------------------------- | ---------------- | ---------- |
1919| [SEP-2663](/seps/2663-tasks-extension) | Tasks Extension | <Badge color="green" shape="pill">Final</Badge> | Extensions Track | 2026-04-27 |
20| [SEP-2640](/seps/2640-skills-extension) | Skills Extension | <Badge color="green" shape="pill">Final</Badge> | Extensions Track | 2026-04-23 |
2021| [SEP-2596](/seps/2596-spec-feature-lifecycle-and-deprecation) | Specification Feature Lifecycle and Deprecation Policy | <Badge color="green" shape="pill">Final</Badge> | Process | 2026-04-17 |
2122| [SEP-2577](/seps/2577-deprecate-roots-sampling-and-logging) | Deprecate Roots, Sampling, and Logging | <Badge color="green" shape="pill">Final</Badge> | Standards Track | 2026-04-14 |
2223| [SEP-2575](/seps/2575-stateless-mcp) | Make MCP Stateless | <Badge color="green" shape="pill">Final</Badge> | Standards Track | 2025-06-18 |