swift-mcp-toolkit – Build Information

Build Information

Failed to build swift-mcp-toolkit, reference v0.3.0 (ea47d6), with Swift 6.4 for macOS (SPM) on 25 Sep 2026 03:04:28 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ajevans99/swift-mcp-toolkit.git
Reference: v0.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ajevans99/swift-mcp-toolkit
 * tag               v0.3.0     -> FETCH_HEAD
HEAD is now at ea47d61 Migrate structured output to official Swift SDK (#4)
Cloned https://github.com/ajevans99/swift-mcp-toolkit.git
Revision (git rev-parse @):
ea47d6182f84d694daeee683a242a1fb84940c89
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ajevans99/swift-mcp-toolkit.git at v0.3.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ajevans99/swift-mcp-toolkit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 422]
[Planning deferred tasks]
[1 / 191]
[102 / 191]
[108 / 196] CSystem
[113 / 205] InternalCollectionsUtilities
[123 / 218]
[126 / 255]
[130 / 255]
[135 / 319]
[141 / 319]
[154 / 320]
[166 / 331] OrderedCollections
[174 / 331] OrderedCollections
[178 / 331]
[183 / 331] InternalCollectionsUtilities
[183 / 331] OrderedCollections
[191 / 331] SystemPackage
[195 / 331] SystemPackage
[198 / 331]
[209 / 331] OrderedCollections
[219 / 331]
[221 / 331]
[235 / 331] Logging
[239 / 331]
[245 / 331] Logging-product
[253 / 332]
[256 / 332] Logging
[256 / 332]
[258 / 342]
[259 / 342]
[260 / 342]
[265 / 342] EventSource
[274 / 343]
[283 / 343] OrderedJSON
[289 / 343] JSONSchemaMacro
[293 / 357] OrderedJSON
[302 / 357]
[304 / 357] JSONSchemaMacro
[306 / 357] MCP
[309 / 357] MCP
[310 / 357] MCP
[315 / 357] OrderedJSON
[317 / 357] MCP
[318 / 357] JSONSchemaMacro
[329 / 358]
[329 / 358] JSONSchemaMacro
[336 / 369] JSONSchema
[338 / 369] MCP
[340 / 369] JSONSchema
[341 / 369] JSONSchema
[349 / 370]
[349 / 370] JSONSchema
[357 / 381] JSONSchemaBuilder
[358 / 381] JSONSchemaBuilder
[364 / 381] JSONSchema
[364 / 381] JSONSchemaBuilder
[371 / 382] JSONSchemaBuilder
[373 / 382] MCPToolkit
[384 / 393] MCPToolkit
Fetching https://github.com/ajevans99/swift-json-schema.git
Fetching https://github.com/modelcontextprotocol/swift-sdk.git
[1/10672] Fetching swift-json-schema
[108/14511] Fetching swift-json-schema, swift-sdk
Fetched https://github.com/modelcontextprotocol/swift-sdk.git (34.79s)
Fetched https://github.com/ajevans99/swift-json-schema.git (34.79s)
Computing version for https://github.com/modelcontextprotocol/swift-sdk.git
Computed https://github.com/modelcontextprotocol/swift-sdk.git at 0.12.1 (35.67s)
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/mattt/eventsource.git
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-system.git
[1/303] Fetching eventsource
[98/8468] Fetching eventsource, swift-log
[353/15420] Fetching eventsource, swift-log, swift-system
[15352/101511] Fetching eventsource, swift-log, swift-system, swift-nio
Fetched https://github.com/apple/swift-system.git (7.85s)
Fetched https://github.com/apple/swift-nio.git (7.85s)
Fetched https://github.com/mattt/eventsource.git (7.85s)
Fetched https://github.com/apple/swift-log.git (7.85s)
Computing version for https://github.com/mattt/eventsource.git
Computed https://github.com/mattt/eventsource.git at 1.5.1 (8.52s)
Computing version for https://github.com/ajevans99/swift-json-schema.git
Computed https://github.com/ajevans99/swift-json-schema.git at 0.14.1 (0.58s)
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/swiftlang/swift-syntax.git
[1/27702] Fetching swift-collections
[18008/107769] Fetching swift-collections, swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git (5.54s)
Fetched https://github.com/apple/swift-collections.git (5.54s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 604.0.0 (8.42s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.0 (0.64s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.55s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.57s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.103.0 (0.68s)
Fetching https://github.com/apple/swift-atomics.git
[1/1881] Fetching swift-atomics
Fetched https://github.com/apple/swift-atomics.git (1.20s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (1.78s)
Creating working copy for https://github.com/modelcontextprotocol/swift-sdk.git
Working copy of https://github.com/modelcontextprotocol/swift-sdk.git resolved at 0.12.1
Creating working copy for https://github.com/mattt/eventsource.git
Working copy of https://github.com/mattt/eventsource.git resolved at 1.5.1
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.7.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 604.0.0
Creating working copy for https://github.com/ajevans99/swift-json-schema.git
Working copy of https://github.com/ajevans99/swift-json-schema.git resolved at 0.14.1
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.8.1
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.103.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/604.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/604.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip (1.29s)
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/Extensions/JSONSchema+MCP.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile JSONSchema+MCP.swift
/Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/Extensions/JSONSchema+MCP.swift:17:24: [1;31merror: [1;39mcannot convert value of type 'Dictionary<String, JSONValue>' to expected argument type 'OrderedDictionary<String, JSONValue>'[0;0m
[0;36m15 |[0;0m       self = .array(a.map { JSONValue(value: $0) })
[0;36m16 |[0;0m     case .object(let o):
[0;36m17 |[0;0m       self = .object(o.mapValues { JSONValue(value: $0) })
   [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot convert value of type 'Dictionary<String, JSONValue>' to expected argument type 'OrderedDictionary<String, JSONValue>'[0;0m
[0;36m18 |[0;0m     case .data(let mimeType, let data):
[0;36m19 |[0;0m       self = .object([
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c -primary-file /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/Exports.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/Extensions/JSONSchema+MCP.swift /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/Extensions/MCP+JSONSchema.swift /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/Extensions/MCPResource+MCP.swift /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/Extensions/MCPTool+MCP.swift /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/Extensions/Server+registerResources.swift /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/Extensions/Server+registerTools.swift /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/MCPResource.swift /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/MCPTool.swift /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/MCPToolWithStructuredOutput.swift /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/ResponseMessaging.swift /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/Shared/ContentBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/MCPToolkit/Shared/ContentGroup.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/Exports.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/Exports.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/Exports.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/Exports.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/JSONSchema+MCP.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/JSONSchema+MCP.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/JSONSchema+MCP.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/JSONSchema+MCP.dia -emit-localized-strings -emit-localized-strings-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64 -target arm64-apple-macos14.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin \#/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/JSONSchemaMacro\#JSONSchemaMacro -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/MCPToolkit-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -load-plugin-executable /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/JSONSchemaMacro\#JSONSchemaMacro -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-system/Sources/CSystem/include/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-system/Sources/CSystem/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name MCPToolkit -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/MCPToolkit_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/Exports.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/JSONSchema+MCP.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/MCPToolkit.swiftmodule -index-unit-output-path /swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/Exports.o -index-unit-output-path /swift-mcp-toolkit.build/Debug/MCPToolkit-t.build/Objects-normal/arm64/JSONSchema+MCP.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm