Swift Package IndexBuild Information
Successful build of mcp-stdio-swift, reference main (1a5e0b), with Swift 6.1 for macOS (SPM) on 8 Jan 2026 17:53:07 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .statsBuild Log
========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/xbill9/mcp-stdio-swift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/xbill9/mcp-stdio-swift
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 1a5e0bc add settings.json for gemini cli
Cloned https://github.com/xbill9/mcp-stdio-swift.git
Revision (git rev-parse @):
1a5e0bc4601b79bafc196f7e1bd4bca79d0a8227
SUCCESS checkout https://github.com/xbill9/mcp-stdio-swift.git at main
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/xbill9/mcp-stdio-swift.git
https://github.com/xbill9/mcp-stdio-swift.git
{
"dependencies" : [
{
"identity" : "swift-sdk",
"requirement" : {
"range" : [
{
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"type" : "sourceControl",
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"type" : "sourceControl",
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{
"identity" : "swift-log",
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},
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],
"manifest_display_name" : "mcp-stdio-swift",
"name" : "mcp-stdio-swift",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "13.0"
}
],
"products" : [
{
"name" : "mcp-stdio-swift",
"targets" : [
"mcp-stdio-swift"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "mcp_stdio_swiftTests",
"module_type" : "SwiftTarget",
"name" : "mcp-stdio-swiftTests",
"path" : "Tests/mcp-stdio-swiftTests",
"sources" : [
"HandlersTests.swift"
],
"target_dependencies" : [
"mcp-stdio-swift"
],
"type" : "test"
},
{
"c99name" : "mcp_stdio_swift",
"module_type" : "SwiftTarget",
"name" : "mcp-stdio-swift",
"path" : "Sources/mcp-stdio-swift",
"product_dependencies" : [
"MCP",
"ServiceLifecycle",
"Logging"
],
"product_memberships" : [
"mcp-stdio-swift"
],
"sources" : [
"Handlers.swift",
"JSONLogHandler.swift",
"MCPService.swift",
"main.swift"
],
"type" : "executable"
}
],
"tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
Building for debugging...
[0/18] Write sources
[7/18] Write mcp-stdio-swift-entitlement.plist
[7/18] Write sources
[13/18] Compiling CSystem shims.c
[14/18] Write swift-version-2F0A5646E1D333AE.txt
[16/75] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[17/75] Compiling InternalCollectionsUtilities Debugging.swift
[18/75] Compiling InternalCollectionsUtilities Descriptions.swift
[19/75] Compiling InternalCollectionsUtilities LifetimeOverride.swift
[20/75] Compiling InternalCollectionsUtilities UnsafeMutableRawBufferPointer+Extras.swift
[21/76] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[22/76] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[23/76] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[24/76] Emitting module InternalCollectionsUtilities
[25/76] Compiling InternalCollectionsUtilities UnsafeRawBufferPointer+Extras.swift
[26/76] Compiling SystemPackage FilePathComponentView.swift
[27/76] Compiling SystemPackage FilePathComponents.swift
[28/76] Compiling SystemPackage FileDescriptor.swift
[29/76] Compiling SystemPackage FileHelpers.swift
[30/76] Compiling SystemPackage Errno.swift
[31/76] Compiling SystemPackage ErrnoWindows.swift
[32/76] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[33/76] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[34/148] Compiling DequeModule _DequeSlot.swift
[35/149] Compiling DequeModule _DequeBuffer.swift
[36/149] Compiling DequeModule _DequeBufferHeader.swift
[37/149] Compiling OrderedCollections OrderedDictionary+Deprecations.swift
[38/149] Compiling OrderedCollections OrderedDictionary+Descriptions.swift
[39/149] Compiling DequeModule _UnsafeWrappedBuffer.swift
[40/149] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formIntersection.swift
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[47/155] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSuperset.swift
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[54/155] Compiling OrderedCollections OrderedSet+Partial SetAlgebra+Basics.swift
[55/155] Compiling OrderedCollections OrderedSet+RandomAccessCollection.swift
[56/155] Compiling OrderedCollections OrderedSet+ReserveCapacity.swift
[57/155] Compiling OrderedCollections OrderedSet+Sendable.swift
[58/155] Compiling OrderedCollections _HashTable+Testing.swift
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[62/155] Compiling OrderedCollections _HashTable.swift
[63/155] Compiling OrderedCollections _Hashtable+Header.swift
[64/155] Compiling OrderedCollections OrderedSet+Codable.swift
[65/155] Compiling OrderedCollections OrderedSet+CustomReflectable.swift
[66/155] Compiling OrderedCollections OrderedSet+Descriptions.swift
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[76/155] Compiling OrderedCollections OrderedDictionary+Elements.swift
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[96/155] Compiling OrderedCollections _HashTable+Constants.swift
[97/155] Compiling OrderedCollections _HashTable+CustomStringConvertible.swift
[98/155] Emitting module DequeModule
[99/155] Compiling ConcurrencyHelpers LockedValueBox.swift
[107/155] Compiling OrderedCollections OrderedSet+SubSequence.swift
[108/155] Compiling OrderedCollections OrderedSet+Testing.swift
[109/155] Compiling OrderedCollections OrderedSet+UnorderedView.swift
[110/155] Compiling OrderedCollections OrderedSet+UnstableInternals.swift
[111/155] Compiling OrderedCollections OrderedSet.swift
[112/155] Compiling OrderedCollections _UnsafeBitset.swift
[113/155] Emitting module ConcurrencyHelpers
[114/155] Compiling ConcurrencyHelpers Lock.swift
[115/155] Compiling Logging MetadataProvider.swift
[125/158] Emitting module OrderedCollections
[138/161] Compiling Logging LogHandler.swift
[139/161] Compiling Logging Locks.swift
[140/161] Compiling Logging Logging.swift
[141/161] Emitting module Logging
[142/162] Emitting module SystemPackage
[149/211] Compiling AsyncAlgorithms MergeStorage.swift
[150/211] Compiling AsyncAlgorithms AsyncThrowingInclusiveReductionsSequence.swift
[151/211] Compiling AsyncAlgorithms AsyncTimerSequence.swift
[152/211] Compiling AsyncAlgorithms AsyncJoinedSequence.swift
[153/211] Compiling AsyncAlgorithms AsyncRemoveDuplicatesSequence.swift
[154/211] Compiling AsyncAlgorithms AsyncShareSequence.swift
[155/211] Compiling AsyncAlgorithms AsyncSyncSequence.swift
[156/211] Compiling AsyncAlgorithms AsyncThrottleSequence.swift
[157/211] Compiling AsyncAlgorithms AsyncThrowingExclusiveReductionsSequence.swift
[158/216] Compiling UnixSignals UnixSignal.swift
[159/216] Compiling UnixSignals UnixSignalsSequence.swift
[160/216] Emitting module UnixSignals
[161/216] Emitting module AsyncAlgorithms
[162/216] Compiling AsyncAlgorithms AsyncCombineLatest2Sequence.swift
[163/216] Compiling AsyncAlgorithms AsyncCombineLatest3Sequence.swift
[164/216] Compiling AsyncAlgorithms CombineLatestStateMachine.swift
[165/216] Compiling AsyncAlgorithms CombineLatestStorage.swift
[166/216] Compiling AsyncAlgorithms AsyncDebounceSequence.swift
[167/216] Compiling AsyncAlgorithms UnboundedBufferStorage.swift
[168/216] Compiling AsyncAlgorithms AsyncChannel.swift
[169/216] Compiling AsyncAlgorithms AsyncThrowingChannel.swift
[170/216] Compiling AsyncAlgorithms ChannelStateMachine.swift
[171/216] Compiling AsyncAlgorithms ChannelStorage.swift
[172/216] Compiling AsyncAlgorithms Locking.swift
[173/216] Compiling AsyncAlgorithms AsyncMerge2Sequence.swift
[174/216] Compiling AsyncAlgorithms AsyncMerge3Sequence.swift
[175/216] Compiling AsyncAlgorithms MergeStateMachine.swift
[179/216] Compiling AsyncAlgorithms AsyncBufferSequence.swift
[180/216] Compiling AsyncAlgorithms BoundedBufferStateMachine.swift
[181/216] Compiling AsyncAlgorithms BoundedBufferStorage.swift
[182/216] Compiling AsyncAlgorithms UnboundedBufferStateMachine.swift
[183/216] Compiling AsyncAlgorithms DebounceStateMachine.swift
[184/216] Compiling AsyncAlgorithms DebounceStorage.swift
[185/216] Compiling AsyncAlgorithms Dictionary.swift
[186/216] Compiling AsyncAlgorithms _TinyArray.swift
[187/216] Compiling AsyncAlgorithms AsyncInterspersedSequence.swift
[188/216] Compiling AsyncAlgorithms AsyncAdjacentPairsSequence.swift
[189/216] Compiling AsyncAlgorithms AsyncBufferedByteIterator.swift
[190/216] Compiling AsyncAlgorithms AsyncChain2Sequence.swift
[191/216] Compiling AsyncAlgorithms AsyncChain3Sequence.swift
[192/216] Compiling AsyncAlgorithms AsyncChunkedByGroupSequence.swift
[193/216] Compiling AsyncAlgorithms AsyncChunkedOnProjectionSequence.swift
[194/216] Compiling AsyncAlgorithms AsyncChunksOfCountOrSignalSequence.swift
[195/216] Compiling AsyncAlgorithms AsyncChunksOfCountSequence.swift
[196/216] Compiling AsyncAlgorithms AsyncCompactedSequence.swift
[197/216] Compiling AsyncAlgorithms AsyncExclusiveReductionsSequence.swift
[198/216] Compiling AsyncAlgorithms AsyncInclusiveReductionsSequence.swift
[199/216] Compiling AsyncAlgorithms AsyncJoinedBySeparatorSequence.swift
[200/216] Compiling AsyncAlgorithms MultiProducerSingleConsumerAsyncChannel+Internal.swift
[201/216] Compiling AsyncAlgorithms MultiProducerSingleConsumerAsyncChannel.swift
[202/216] Compiling AsyncAlgorithms RangeReplaceableCollection.swift
[203/216] Compiling AsyncAlgorithms Rethrow.swift
[204/216] Compiling AsyncAlgorithms SetAlgebra.swift
[205/216] Compiling AsyncAlgorithms UnsafeTransfer.swift
[206/216] Compiling AsyncAlgorithms AsyncZip2Sequence.swift
[207/216] Compiling AsyncAlgorithms AsyncZip3Sequence.swift
[208/216] Compiling AsyncAlgorithms ZipStateMachine.swift
[209/216] Compiling AsyncAlgorithms ZipStorage.swift
[210/225] Compiling ServiceLifecycle Service.swift
[211/225] Compiling ServiceLifecycle AsyncGracefulShutdownSequence.swift
[212/225] Compiling ServiceLifecycle AsyncCancelOnGracefulShutdownSequence.swift
[213/225] Emitting module ServiceLifecycle
[214/225] Compiling ServiceLifecycle CancellationWaiter.swift
[215/225] Compiling ServiceLifecycle GracefulShutdown.swift
[216/225] Compiling ServiceLifecycle ServiceRunnerError.swift
[217/225] Compiling ServiceLifecycle ServiceGroupConfiguration.swift
[218/225] Compiling ServiceLifecycle ServiceGroup.swift
[219/225] Compiling EventSource AsyncSequence+Events.swift
[220/225] Compiling EventSource AsyncEventsSequence.swift
[221/225] Emitting module EventSource
[222/225] Compiling EventSource EventSource.swift
[223/244] Compiling MCP Versioning.swift
[224/244] Compiling MCP Client.swift
[225/246] Compiling MCP StdioTransport.swift
[226/246] Compiling MCP UnitInterval.swift
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[228/246] Compiling MCP Value.swift
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[233/246] Compiling MCP InMemoryTransport.swift
[234/246] Compiling MCP NetworkTransport.swift
[235/246] Compiling MCP Lifecycle.swift
[236/246] Compiling MCP Messages.swift
[237/246] Emitting module MCP
[238/246] Compiling MCP Sampling.swift
[239/246] Compiling MCP Data+Extensions.swift
[240/246] Compiling MCP Transport.swift
[241/246] Compiling MCP HTTPClientTransport.swift
[242/246] Compiling MCP Server.swift
[243/246] Compiling MCP Tools.swift
[244/251] Compiling mcp_stdio_swift MCPService.swift
[245/251] Compiling mcp_stdio_swift Handlers.swift
[246/251] Emitting module mcp_stdio_swift
[247/251] Compiling mcp_stdio_swift main.swift
[248/251] Compiling mcp_stdio_swift JSONLogHandler.swift
[248/251] Write Objects.LinkFileList
[249/251] Linking mcp-stdio-swift
[250/251] Applying mcp-stdio-swift
Build complete! (22.77s)
Fetching https://github.com/swift-server/swift-service-lifecycle.git
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[1/2582] Fetching swift-sdk
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Fetched https://github.com/modelcontextprotocol/swift-sdk from cache (1.09s)
Fetched https://github.com/swift-server/swift-service-lifecycle.git from cache (1.09s)
Fetched https://github.com/apple/swift-log.git from cache (1.10s)
Computing version for https://github.com/modelcontextprotocol/swift-sdk
Computed https://github.com/modelcontextprotocol/swift-sdk at 0.10.2 (1.59s)
Fetching https://github.com/mattt/eventsource.git
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Computed https://github.com/mattt/eventsource.git at 1.3.0 (1.44s)
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Computed https://github.com/apple/swift-log.git at 1.8.0 (0.53s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
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Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.1 (1.67s)
Fetching https://github.com/apple/swift-collections.git from cache
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Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.3.0 (2.02s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.3 (0.47s)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.3.0
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Working copy of https://github.com/apple/swift-log.git resolved at 1.8.0
Creating working copy for https://github.com/mattt/eventsource.git
Working copy of https://github.com/mattt/eventsource.git resolved at 1.3.0
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Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.1
Creating working copy for https://github.com/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.9.1
Creating working copy for https://github.com/modelcontextprotocol/swift-sdk
Working copy of https://github.com/modelcontextprotocol/swift-sdk resolved at 0.10.2
Build complete.
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Done.