feat(core): custom-method support (3-arg setRequestHandler + request schema overload) by felixweinberger · Pull Request #1974 · modelcontextprotocol/typescript-sdk

feat(core): 3-arg setRequestHandler/setNotificationHandler and request()/mcpReq.send schema overloads for custom methods

felixweinberger

committed

690af0d

fix: address review — setNotificationHandler 3-arg passes raw notification as 2nd arg; export StandardSchemaV1; fix example headers

felixweinberger

committed

10a7878

fix: address review — assertCapability* params as RequestMethod|string for discoverability (KKonstantinov)

felixweinberger

committed

34a4fd5

fix: address review — guard cancel() once response received (abort race during async result validation); add core to changeset; setNotificationHandler JSDoc notes 2nd arg

felixweinberger

committed

dc09b1d

fix: response result-schema mismatch throws SdkError(InvalidResult) instead of ProtocolError(InternalError)

felixweinberger

committed

614dbe8

docs: add SdkErrorCode.InvalidResult to migration-guide enumerations and §5 scenario table

felixweinberger

committed

d49a02b

fix: apply RequestMethod|string discoverability hint to public removeRequestHandler/removeNotificationHandler/assertCanSetRequestHandler

felixweinberger

committed

35a9628

Merge branch 'main' into fweinberger/custom-methods-minimal

felixweinberger

authored

9df35c2

fix: import stdio transports from /stdio subpath in customMethodExample (after #1871 merge)

felixweinberger

committed

a2f2f8a

Merge branch 'main' into fweinberger/custom-methods-minimal

felixweinberger

authored

5568303

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feat(core): custom-method support (3-arg setRequestHandler + request schema overload) - #1974

feat(core): custom-method support (3-arg setRequestHandler + request schema overload)#1974
felixweinberger merged 10 commits into
mainfrom
fweinberger/custom-methods-minimal

Commits on Apr 29, 2026

feat(core): 3-arg setRequestHandler/setNotificationHandler and request()/mcpReq.send schema overloads for custom methods

fix: address review — setNotificationHandler 3-arg passes raw notification as 2nd arg; export StandardSchemaV1; fix example headers

fix: address review — assertCapability* params as RequestMethod|string for discoverability (KKonstantinov)

fix: address review — guard cancel() once response received (abort race during async result validation); add core to changeset; setNotificationHandler JSDoc notes 2nd arg

fix: response result-schema mismatch throws SdkError(InvalidResult) instead of ProtocolError(InternalError)

docs: add SdkErrorCode.InvalidResult to migration-guide enumerations and §5 scenario table

fix: apply RequestMethod|string discoverability hint to public removeRequestHandler/removeNotificationHandler/assertCanSetRequestHandler

Merge branch 'main' into fweinberger/custom-methods-minimal

fix: import stdio transports from /stdio subpath in customMethodExample (after #1871 merge)

Merge branch 'main' into fweinberger/custom-methods-minimal