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modelcontextprotocol
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feat!: drop Zod v3 support
- #1460
#1460
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mattzcarey
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Feb 3, 2026
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feat!: drop Zod v3 support
#1460
mattzcarey
merged 17 commits into
main
modelcontextprotocol/typescript-sdk:main
from
drop-zod-v3-support
modelcontextprotocol/typescript-sdk:drop-zod-v3-support
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feat!: drop Zod v3 support
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chore: clean up Zod v3 remnants
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refactor: simplify createToolExecutor and add deprecation notices
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chore: remove deprecated completable exports
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chore: remove unused zodCompat code
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refactor: simplify zodCompat to use public Zod v4 APIs
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refactor: simplify schema utilities to use native Zod v4 APIs
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refactor: use parseSchema utility instead of direct z.safeParse calls
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refactor: relax ResponseMessage type constraints and standardize imports
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refactor: improve schema getter return types to eliminate call-site casts
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refactor: use z.core.$ZodObject for AnyObjectSchema and simplify callToolStream
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refactor: restore `T extends Result` constraint on ResponseMessage
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docs: fix migration-SKILL.md examples to use z.object()
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test: add inputSchema to registerToolTask calls
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fix: remove unused import and apply formatting
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fix: add inputSchema to conformance server tools with two-argument handlers
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fix: wrap remaining raw shapes with z.object() in conformance server
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