[Docs] Deprecation policy, SDK tier target, and CONTRIBUTING.md - #472

Merged

chr-hertel merged 10 commits into

modelcontextprotocol:mainfrom

chr-hertel:docs/lifecycle-tier-and-contributing

Aug 23, 2026

Commits on Aug 22, 2026

[Docs] Add deprecation policy doc (SEP-2596)
chr-hertel
committed
11fb039
[Docs] Add SDK Tier 2 gap analysis (SEP-1730)
chr-hertel
committed
961647d
[Docs] Wire deprecation policy and SDK tier docs into the guide nav
chr-hertel
committed
febe648
[Docs] Add CONTRIBUTING.md
chr-hertel
committed
d726b4d
[Docs] Trim deprecation policy per review
chr-hertel
committed
3ed2b5e
[Docs] Cite the Tier 3 audit and add a versioning policy (SEP-1730)
chr-hertel
committed
86adfb2
[Docs] Link Symfony's BC promise from the deprecation policy
chr-hertel
committed
592d73b
[Docs] Drop the "process gaps addressed" aside from sdk-tier.md
chr-hertel
committed
94600e0

Commits on Aug 23, 2026

Apply suggestion from @chr-hertel
chr-hertel
authored
76a4784
Apply suggestion from @chr-hertel
chr-hertel
authored
42e878c