Swift Package IndexBuild Information
Failed to build mcp-template, reference main (2d43cd), with Swift 6.1 for macOS (SPM) on 1 Nov 2025 22:00:43 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/adamwulf/mcp-template.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/adamwulf/mcp-template
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 2d43cde Merge branch 'feature/passthrough-tools'
Cloned https://github.com/adamwulf/mcp-template.git
Revision (git rev-parse @):
2d43cdef886a329fbba994ff507b495fd7773670
SUCCESS checkout https://github.com/adamwulf/mcp-template.git at main
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/adamwulf/mcp-template.git
https://github.com/adamwulf/mcp-template.git
{
"dependencies" : [
{
"identity" : "swift-argument-parser",
"requirement" : {
"range" : [
{
"lower_bound" : "1.3.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-argument-parser"
},
{
"identity" : "swift-sdk",
"requirement" : {
"branch" : [
"main"
]
},
"type" : "sourceControl",
"url" : "https://github.com/modelcontextprotocol/swift-sdk"
}
],
"manifest_display_name" : "mcp-template",
"name" : "mcp-template",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "15.0"
},
{
"name" : "ios",
"version" : "17.0"
},
{
"name" : "maccatalyst",
"version" : "17.0"
}
],
"products" : [
{
"name" : "EasyMCP",
"targets" : [
"EasyMCP"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "EasyMacMCP",
"targets" : [
"EasyMacMCP"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "mcpexample",
"targets" : [
"mcpexample"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "mcpexample",
"module_type" : "SwiftTarget",
"name" : "mcpexample",
"path" : "Sources/mcpexample",
"product_dependencies" : [
"ArgumentParser"
],
"product_memberships" : [
"mcpexample"
],
"sources" : [
"MCPExample.swift"
],
"target_dependencies" : [
"EasyMCP"
],
"type" : "executable"
},
{
"c99name" : "EasyMacMCPTests",
"module_type" : "SwiftTarget",
"name" : "EasyMacMCPTests",
"path" : "Tests/EasyMacMCPTests",
"sources" : [
"MockPipe.swift"
],
"target_dependencies" : [
"EasyMacMCP"
],
"type" : "test"
},
{
"c99name" : "EasyMacMCP",
"module_type" : "SwiftTarget",
"name" : "EasyMacMCP",
"path" : "Sources/EasyMacMCP",
"product_memberships" : [
"EasyMacMCP"
],
"sources" : [
"EasyMCPHelper.swift",
"EasyMCPHost.swift",
"FileManager+Pipe.swift",
"HelperRequestPipe.swift",
"HelperResponsePipe.swift",
"HostRequestPipe.swift",
"HostResponsePipe.swift",
"Logging.swift",
"MCPProtocols.swift",
"PipeProtocols.swift",
"ReadPipe.swift",
"ResponseManager.swift",
"WritePipe.swift"
],
"target_dependencies" : [
"EasyMCP"
],
"type" : "library"
},
{
"c99name" : "EasyMCP",
"module_type" : "SwiftTarget",
"name" : "EasyMCP",
"path" : "Sources/EasyMCP",
"product_dependencies" : [
"MCP"
],
"product_memberships" : [
"EasyMCP",
"EasyMacMCP",
"mcpexample"
],
"sources" : [
"EasyMCP.swift",
"Logging.swift"
],
"type" : "library"
}
],
"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
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/17] Write sources
[6/17] Write mcpexample-entitlement.plist
[6/17] Write sources
[12/17] Compiling CSystem shims.c
[13/17] Write swift-version-2F0A5646E1D333AE.txt
[15/56] Compiling ArgumentParserToolInfo ToolInfo.swift
[16/56] Emitting module ArgumentParserToolInfo
[17/102] Emitting module SystemPackage
[18/105] Compiling Logging MetadataProvider.swift
[19/105] Compiling ArgumentParser Platform.swift
[20/105] Compiling ArgumentParser CommandConfiguration.swift
[21/105] Compiling ArgumentParser CommandGroup.swift
[22/105] Compiling ArgumentParser OptionGroup.swift
[23/105] Compiling ArgumentParser AsyncParsableCommand.swift
[24/105] Compiling ArgumentParser ArgumentDiscussion.swift
[25/105] Compiling ArgumentParser Errors.swift
[26/105] Compiling ArgumentParser ParserError.swift
[27/105] Compiling ArgumentParser SplitArguments.swift
[28/105] Compiling ArgumentParser ArgumentHelp.swift
[29/105] Compiling ArgumentParser ArgumentVisibility.swift
[30/105] Compiling ArgumentParser CompletionKind.swift
[31/105] Compiling ArgumentParser UsageGenerator.swift
[32/105] Compiling ArgumentParser CollectionExtensions.swift
[33/105] Compiling ArgumentParser Mutex.swift
[34/105] Compiling ArgumentParser SequenceExtensions.swift
[35/105] Compiling ArgumentParser StringExtensions.swift
[36/105] Compiling ArgumentParser SwiftExtensions.swift
[37/105] Compiling ArgumentParser Tree.swift
[38/105] Compiling ArgumentParser CodingKeyValidator.swift
[39/105] Compiling ArgumentParser MessageInfo.swift
[40/105] Compiling ArgumentParser DumpHelpGenerator.swift
[41/105] Compiling ArgumentParser HelpCommand.swift
[42/105] Compiling ArgumentParser HelpGenerator.swift
[43/105] Compiling ArgumentParser Flag.swift
[44/105] Compiling ArgumentParser NameSpecification.swift
[45/105] Compiling ArgumentParser Option.swift
[46/105] Compiling Logging LogHandler.swift
[47/105] Compiling Logging Locks.swift
[48/105] Emitting module Logging
[49/105] Compiling Logging Logging.swift
[50/105] Compiling SystemPackage Util+StringArray.swift
[51/105] Compiling SystemPackage Util.swift
[52/105] Compiling SystemPackage UtilConsumers.swift
[53/105] Emitting module EventSource
[54/105] Compiling ArgumentParser InputKey.swift
[55/105] Compiling ArgumentParser InputOrigin.swift
[56/105] Compiling ArgumentParser Name.swift
[57/105] Compiling ArgumentParser Parsed.swift
[58/105] Compiling ArgumentParser ParsedValues.swift
[64/109] Emitting module ArgumentParser
[70/109] Compiling ArgumentParser NonsenseFlagsValidator.swift
[71/109] Compiling ArgumentParser ParsableArgumentsValidation.swift
[72/109] Compiling ArgumentParser PositionalArgumentsValidator.swift
[73/109] Compiling ArgumentParser UniqueNamesValidator.swift
[74/109] Compiling ArgumentParser BashCompletionsGenerator.swift
[75/109] Compiling ArgumentParser CompletionsGenerator.swift
[76/109] Compiling ArgumentParser FishCompletionsGenerator.swift
[77/109] Compiling ArgumentParser ZshCompletionsGenerator.swift
[78/109] Compiling ArgumentParser Argument.swift
[79/109] Compiling EventSource AsyncEventsSequence.swift
[80/109] Compiling EventSource AsyncSequence+Events.swift
[81/109] Compiling EventSource EventSource.swift
[97/109] Compiling ArgumentParser ParsableCommand.swift
[98/109] Compiling ArgumentParser ArgumentDecoder.swift
[99/109] Compiling ArgumentParser ArgumentDefinition.swift
[100/109] Compiling ArgumentParser ArgumentSet.swift
[101/109] Compiling ArgumentParser CommandParser.swift
[107/128] Compiling MCP Lifecycle.swift
[108/128] Compiling MCP Messages.swift
[109/128] Emitting module MCP
[110/128] Compiling MCP InMemoryTransport.swift
[111/128] Compiling MCP NetworkTransport.swift
[112/130] Compiling MCP Versioning.swift
[113/130] Compiling MCP Client.swift
[114/130] Compiling MCP Prompts.swift
[115/130] Compiling MCP Resources.swift
[116/130] Compiling MCP Ping.swift
[117/130] Compiling MCP Value.swift
[118/130] Compiling MCP Transport.swift
[119/130] Compiling MCP HTTPClientTransport.swift
[120/130] Compiling MCP Error.swift
[121/130] Compiling MCP ID.swift
[122/130] Compiling MCP Sampling.swift
[123/130] Compiling MCP Data+Extensions.swift
[124/130] Compiling MCP StdioTransport.swift
[125/130] Compiling MCP UnitInterval.swift
[126/130] Compiling MCP Server.swift
[127/130] Compiling MCP Tools.swift
[128/133] Compiling EasyMCP Logging.swift
[129/133] Compiling EasyMCP EasyMCP.swift
[130/133] Emitting module EasyMCP
[131/148] Emitting module mcpexample
[132/148] Compiling mcpexample MCPExample.swift
/Users/admin/builder/spi-builder-workspace/Sources/mcpexample/MCPExample.swift:51:67: error: missing argument for parameter 'inputSchema' in call
49 | try await mcp.register(tool: Tool(
50 | name: "helloWorld",
51 | description: "Returns a friendly greeting message"
| `- error: missing argument for parameter 'inputSchema' in call
52 | )) { _ in
53 | return Result(content: [.text(helloworld())], isError: false)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Server/Tools.swift:86:12: note: 'init(name:description:inputSchema:annotations:)' declared here
84 |
85 | /// Initialize a tool with a name, description, input schema, and annotations
86 | public init(
| `- note: 'init(name:description:inputSchema:annotations:)' declared here
87 | name: String,
88 | description: String?,
/Users/admin/builder/spi-builder-workspace/Sources/mcpexample/MCPExample.swift:98:90: error: missing argument for parameter 'inputSchema' in call
96 | try await mcp.register(tool: Tool(
97 | name: "helloEveryone",
98 | description: "Returns a friendly greeting message to everyone around"
| `- error: missing argument for parameter 'inputSchema' in call
99 | )) { _ in
100 | return Result(content: [.text(helloworld())], isError: false)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Server/Tools.swift:86:12: note: 'init(name:description:inputSchema:annotations:)' declared here
84 |
85 | /// Initialize a tool with a name, description, input schema, and annotations
86 | public init(
| `- note: 'init(name:description:inputSchema:annotations:)' declared here
87 | name: String,
88 | description: String?,
Fetching https://github.com/modelcontextprotocol/swift-sdk
[1/2274] Fetching swift-sdk
Fetched https://github.com/modelcontextprotocol/swift-sdk from cache (0.98s)
Fetching https://github.com/mattt/eventsource.git
Fetching https://github.com/apple/swift-system.git from cache
Fetching https://github.com/apple/swift-log.git from cache
Fetching https://github.com/apple/swift-argument-parser from cache
[1/199] Fetching eventsource
Fetched https://github.com/apple/swift-log.git from cache (0.75s)
Fetched https://github.com/mattt/eventsource.git from cache (0.85s)
Fetched https://github.com/apple/swift-system.git from cache (0.86s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.22s)
Computing version for https://github.com/mattt/eventsource.git
Computed https://github.com/mattt/eventsource.git at 1.3.0 (1.74s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.6.2 (0.54s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.4 (0.49s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.3 (0.55s)
Creating working copy for https://github.com/mattt/eventsource.git
Working copy of https://github.com/mattt/eventsource.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.3
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.6.2
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.4
Creating working copy for https://github.com/modelcontextprotocol/swift-sdk
Working copy of https://github.com/modelcontextprotocol/swift-sdk resolved at main (c0407a0)
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/6] Write swift-version-2F0A5646E1D333AE.txt
[4/45] Compiling ArgumentParserToolInfo ToolInfo.swift
[5/45] Emitting module ArgumentParserToolInfo
[6/45] Compiling Logging MetadataProvider.swift
[7/45] Compiling Logging LogHandler.swift
[8/45] Compiling Logging Locks.swift
[9/45] Compiling Logging Logging.swift
[10/45] Emitting module Logging
[11/91] Compiling ArgumentParser BashCompletionsGenerator.swift
[12/91] Compiling ArgumentParser CompletionsGenerator.swift
[13/91] Compiling ArgumentParser FishCompletionsGenerator.swift
[14/94] Compiling ArgumentParser ArgumentVisibility.swift
[15/94] Compiling ArgumentParser CompletionKind.swift
[16/94] Compiling ArgumentParser Errors.swift
[17/94] Compiling ArgumentParser CommandParser.swift
[18/94] Compiling ArgumentParser ArgumentDiscussion.swift
[19/94] Compiling ArgumentParser ArgumentHelp.swift
[20/94] Emitting module SystemPackage
[21/94] Compiling EventSource AsyncSequence+Events.swift
[22/94] Compiling EventSource AsyncEventsSequence.swift
[23/94] Emitting module EventSource
[24/94] Compiling EventSource EventSource.swift
[25/94] Compiling ArgumentParser ZshCompletionsGenerator.swift
[26/94] Compiling ArgumentParser Argument.swift
[27/94] Compiling ArgumentParser SequenceExtensions.swift
[28/94] Compiling ArgumentParser StringExtensions.swift
[29/94] Compiling ArgumentParser SwiftExtensions.swift
[30/94] Compiling ArgumentParser Tree.swift
[31/94] Compiling ArgumentParser CodingKeyValidator.swift
[32/94] Compiling ArgumentParser CommandConfiguration.swift
[33/94] Compiling ArgumentParser CommandGroup.swift
[34/94] Compiling ArgumentParser Parsed.swift
[35/94] Compiling ArgumentParser ParsedValues.swift
[36/94] Compiling ArgumentParser ParsableCommand.swift
[37/94] Compiling ArgumentParser InputKey.swift
[38/94] Compiling ArgumentParser InputOrigin.swift
[39/94] Compiling ArgumentParser Name.swift
[40/94] Compiling ArgumentParser ArgumentDecoder.swift
[41/94] Compiling ArgumentParser ArgumentDefinition.swift
[42/94] Compiling ArgumentParser ArgumentSet.swift
[43/94] Compiling SystemPackage Util+StringArray.swift
[44/94] Compiling SystemPackage Util.swift
[45/94] Compiling SystemPackage UtilConsumers.swift
[46/113] Emitting module ArgumentParser
[47/113] Compiling MCP Versioning.swift
[48/113] Compiling MCP Client.swift
[49/113] Compiling MCP Ping.swift
[50/113] Compiling MCP Value.swift
[51/113] Compiling MCP Sampling.swift
[52/117] Compiling MCP Data+Extensions.swift
[53/117] Compiling MCP Prompts.swift
[54/117] Compiling MCP Resources.swift
[57/117] Compiling ArgumentParser MessageInfo.swift
[58/117] Compiling ArgumentParser UsageGenerator.swift
[59/117] Compiling ArgumentParser CollectionExtensions.swift
[60/117] Compiling ArgumentParser Mutex.swift
[61/117] Compiling ArgumentParser Platform.swift
[62/117] Compiling ArgumentParser Flag.swift
[63/117] Compiling ArgumentParser NameSpecification.swift
[64/117] Compiling ArgumentParser Option.swift
[65/117] Compiling ArgumentParser OptionGroup.swift
[66/117] Compiling ArgumentParser AsyncParsableCommand.swift
[77/117] Compiling ArgumentParser ParserError.swift
[78/117] Compiling ArgumentParser SplitArguments.swift
[79/117] Compiling ArgumentParser DumpHelpGenerator.swift
[80/117] Compiling ArgumentParser HelpCommand.swift
[81/117] Compiling ArgumentParser HelpGenerator.swift
[82/117] Compiling MCP Lifecycle.swift
[83/117] Compiling MCP Messages.swift
[84/117] Compiling MCP Error.swift
[85/117] Compiling MCP ID.swift
[86/117] Compiling MCP InMemoryTransport.swift
[87/117] Compiling MCP NetworkTransport.swift
[88/117] Compiling MCP Transport.swift
[89/117] Compiling MCP HTTPClientTransport.swift
[90/117] Compiling MCP StdioTransport.swift
[91/117] Compiling MCP UnitInterval.swift
[92/117] Compiling ArgumentParser NonsenseFlagsValidator.swift
[93/117] Compiling ArgumentParser ParsableArgumentsValidation.swift
[94/117] Compiling ArgumentParser PositionalArgumentsValidator.swift
[95/117] Compiling ArgumentParser UniqueNamesValidator.swift
[96/117] Emitting module MCP
[103/119] Compiling MCP Server.swift
[104/119] Compiling MCP Tools.swift
[117/122] Compiling EasyMCP Logging.swift
[118/122] Emitting module EasyMCP
[119/122] Compiling EasyMCP EasyMCP.swift
[120/137] Emitting module mcpexample
[121/137] Compiling mcpexample MCPExample.swift
/Users/admin/builder/spi-builder-workspace/Sources/mcpexample/MCPExample.swift:51:67: error: missing argument for parameter 'inputSchema' in call
49 | try await mcp.register(tool: Tool(
50 | name: "helloWorld",
51 | description: "Returns a friendly greeting message"
| `- error: missing argument for parameter 'inputSchema' in call
52 | )) { _ in
53 | return Result(content: [.text(helloworld())], isError: false)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Server/Tools.swift:86:12: note: 'init(name:description:inputSchema:annotations:)' declared here
84 |
85 | /// Initialize a tool with a name, description, input schema, and annotations
86 | public init(
| `- note: 'init(name:description:inputSchema:annotations:)' declared here
87 | name: String,
88 | description: String?,
/Users/admin/builder/spi-builder-workspace/Sources/mcpexample/MCPExample.swift:98:90: error: missing argument for parameter 'inputSchema' in call
96 | try await mcp.register(tool: Tool(
97 | name: "helloEveryone",
98 | description: "Returns a friendly greeting message to everyone around"
| `- error: missing argument for parameter 'inputSchema' in call
99 | )) { _ in
100 | return Result(content: [.text(helloworld())], isError: false)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Server/Tools.swift:86:12: note: 'init(name:description:inputSchema:annotations:)' declared here
84 |
85 | /// Initialize a tool with a name, description, input schema, and annotations
86 | public init(
| `- note: 'init(name:description:inputSchema:annotations:)' declared here
87 | name: String,
88 | description: String?,
BUILD FAILURE 6.1 macosSpm