fix: pass empty args to registerToolTask handler when no inputSchema#1509
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fix: pass empty args to registerToolTask handler when no inputSchema#1509corvid-agent wants to merge 1 commit intomodelcontextprotocol:mainfrom
corvid-agent wants to merge 1 commit intomodelcontextprotocol:mainfrom
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🦋 Changeset detectedLatest commit: 16ff78a The changes in this PR will be included in the next version bump. This PR includes changesets to release 4 packages
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@modelcontextprotocol/client
@modelcontextprotocol/server
@modelcontextprotocol/express
@modelcontextprotocol/hono
@modelcontextprotocol/node
commit: |
…nputSchema
When registerToolTask is used without inputSchema, the createTask handler
should receive an empty object as its first argument when the handler
expects two arguments (args, ctx). This fixes the case where users define
a two-argument handler but omit inputSchema - previously the second
argument (ctx) would be passed as the first argument instead.
Uses Function.length to detect handler arity: single-arg handlers
continue to receive just ctx, while two-arg handlers get ({}, ctx).
Closes modelcontextprotocol#1471
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
registerToolTaskto correctly pass({}, ctx)tocreateTaskhandlers that use a two-argument(args, ctx)signature when noinputSchemais providedFunction.lengthto detect handler arity: single-arg(ctx)handlers continue working as before, while two-arg(args, ctx)handlers receive an empty object as the first argumentCloses #1471
Test plan
registerToolTasktests with both single-arg and two-arg patterns)pnpm build:all)🤖 Generated with Claude Code