feat(compat): add /server/zod-schemas subpath re-exporting *Schema constants#1906
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feat(compat): add /server/zod-schemas subpath re-exporting *Schema constants#1906felixweinberger wants to merge 1 commit intomainfrom
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🦋 Changeset detectedLatest commit: ab8b2ed The changes in this PR will be included in the next version bump. This PR includes changesets to release 5 packages
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Re-exports the internal *Schema Zod constants (CallToolRequestSchema, JSONRPCMessageSchema, etc.) from a deprecated /zod-schemas subpath so v1 code that imported schemas from @modelcontextprotocol/sdk/types.js has a single drop-in target. - packages/server/src/zodSchemas.ts: re-export barrel (deprecated module) - packages/server/package.json: ./zod-schemas exports entry - packages/server/tsdown.config.ts: build entry + dts path mapping - packages/server/tsconfig.json: path mappings for core/schemas and the self-reference subpath - packages/core/package.json: internal ./schemas subpath (core is private, consumed only by sibling packages) - compat test asserting the import resolves and schemas parse The schemas remain an internal implementation detail; their Zod major version is not covered by semver. Subpath will be removed in v3.
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Part of the v2 backwards-compatibility series — see reviewer guide.
v2 stopped exporting Zod schema constants (only TS types). Consumers using them for runtime validation at HTTP boundaries (token endpoints, OIDC discovery, custom transports) lose validators. This re-exports them under a
@deprecatedsubpath.Motivation and Context
v2 stopped exporting Zod schema constants (only TS types). Consumers using them for runtime validation at HTTP boundaries (token endpoints, OIDC discovery, custom transports) lose validators. This re-exports them under a
@deprecatedsubpath.v1 vs v2 pattern & evidence
v1 pattern:
`import { OAuthTokensSchema, CallToolRequestSchema } from '@modelcontextprotocol/sdk/types.js'`v2-native:
Evidence: Hits any consumer doing runtime validation of HTTP responses or implementing a custom transport.
How Has This Been Tested?
v2-bc-integrationvalidation branchpnpm typecheck:all && pnpm lint:all && pnpm test:allgreenBreaking Changes
None — additive
@deprecatedshim. Removed in v3.Types of changes
Checklist
Additional context
Stacks on: none