Why it matters

Tool versioning shapes safe evolution. Understanding shapes ops.

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The architecture

SemVer per tool.

Client pins version.

Multiple versions in parallel.

Deprecation windows.

Tool versioning modelSemVermajor.minor.patchMulti-version parallelbackward compatDeprecation windownotice + migrateLong deprecation windows + tooling for migration; agents specify version
Tool versioning.
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How it works end to end

Backward-compatible minors.

Major bumps for breaking.

Deprecation announcements.

Migration guides.