MCPKit – Build Information – Swift Package Index

Build Information

Successful build of MCPKit, reference 0.6.0 (c038b0), with Swift 6.4 for macOS (SPM) on 28 Sep 2026 03:39:01 UTC.

Swift 6 data race errors: 0

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.
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Checkout
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Clone URL: https://github.com/adamtheturtle/MCPKit.git
Reference: 0.6.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/adamtheturtle/MCPKit
 * tag               0.6.0      -> FETCH_HEAD
HEAD is now at c038b06 Prepare 0.6.0 release (#110)
Cloned https://github.com/adamtheturtle/MCPKit.git
Revision (git rev-parse @):
c038b066c9dbf9132e4433984e02b4912291f5c1
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/adamtheturtle/MCPKit.git at 0.6.0
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/adamtheturtle/MCPKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 303]
[Planning deferred tasks]
[60 / 125]
[64 / 128] CSystem
[70 / 137]
[71 / 162]
[82 / 176]
[90 / 199]
[92 / 199]
[94 / 199]
[108 / 199] SystemPackage
[109 / 199]
[112 / 199] Logging
[121 / 199] SystemPackage
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[127 / 199] SystemPackage
[136 / 199]
[140 / 199] Logging-product
[142 / 199] SystemPackage
[145 / 199] Logging
[145 / 199]
[146 / 199] SystemPackage
[153 / 199] EventSource
[160 / 200] MCP
[165 / 216]
[175 / 216] MCP
[177 / 216] EventSource
[178 / 216] MCP
[185 / 217] MCP
[185 / 217] MCPKit
[194 / 227] MCPKit
[207 / 227] JSONLLogAppendFixture-product
[210 / 230] MCPKit
[217 / 236] MCPKitExample-product
[223 / 236] MCP
[230 / 236] MCPKit-product
[230 / 236] JSONLLogAppendFixture-product
Build complete! (9.84 sec)
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Computed https://github.com/modelcontextprotocol/swift-sdk.git at 0.12.1 (2.11s)
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Computed https://github.com/apple/swift-nio.git at 2.103.0 (0.69s)
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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
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Working copy of https://github.com/apple/swift-system.git resolved at 1.8.1
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Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
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/Users/admin/builder/spi-builder-workspace/Sources/MCPKit/StdioBootstrap.swift:30:5: [1;33mwarning: [1;39m'public' modifier is redundant for static property declared in a public extension[0;0m
 [0;36m28 |[0;0m     /// ``runOverStdioUntilExit(name:version:capabilities:isEnabled:disabledMessage:onLaunch:provider:)``:
 [0;36m29 |[0;0m     /// tools only, without prompt or resource advertisements.
 [0;36m30 |[0;0m     public static let stdioDefaultCapabilities = Server.Capabilities(
    [0;36m|[0;0m     `- [1;33mwarning: [1;39m'public' modifier is redundant for static property declared in a public extension[0;0m
 [0;36m31 |[0;0m         tools: .init(listChanged: false)
 [0;36m32 |[0;0m     )
/Users/admin/builder/spi-builder-workspace/Sources/MCPKit/StdioBootstrap.swift:30:5: [1;33mwarning: [1;39m'public' modifier is redundant for static property declared in a public extension[0;0m
 [0;36m28 |[0;0m     /// ``runOverStdioUntilExit(name:version:capabilities:isEnabled:disabledMessage:onLaunch:provider:)``:
 [0;36m29 |[0;0m     /// tools only, without prompt or resource advertisements.
 [0;36m30 |[0;0m     public static let stdioDefaultCapabilities = Server.Capabilities(
    [0;36m|[0;0m     `- [1;33mwarning: [1;39m'public' modifier is redundant for static property declared in a public extension[0;0m
 [0;36m31 |[0;0m         tools: .init(listChanged: false)
 [0;36m32 |[0;0m     )
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-sdk",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.12.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/modelcontextprotocol/swift-sdk.git"
    },
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.5",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "MCPKit",
  "name" : "MCPKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "16.0"
    },
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "watchos",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "16.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "MCPKit",
      "targets" : [
        "MCPKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "MCPKitStdioFailureFixture",
      "targets" : [
        "MCPKitStdioFailureFixture"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "MCPKitExample",
      "targets" : [
        "MCPKitExample"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "JSONLLogAppendFixture",
      "targets" : [
        "JSONLLogAppendFixture"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MCPKitTests",
      "module_type" : "SwiftTarget",
      "name" : "MCPKitTests",
      "path" : "Tests/MCPKitTests",
      "sources" : [
        "JSONLLogLockingTests.swift",
        "JSONLLogPerformanceTests.swift",
        "JSONLLogTailTests.swift",
        "JSONLLogTests.swift",
        "MCPKitTests.swift",
        "PromptTests.swift"
      ],
      "target_dependencies" : [
        "MCPKit",
        "MCPKitStdioFailureFixture",
        "JSONLLogAppendFixture"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MCPKitStdioFailureFixture",
      "module_type" : "SwiftTarget",
      "name" : "MCPKitStdioFailureFixture",
      "path" : "Tests/StdioFailureFixture",
      "product_memberships" : [
        "MCPKitStdioFailureFixture"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "MCPKit"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "MCPKitExample",
      "module_type" : "SwiftTarget",
      "name" : "MCPKitExample",
      "path" : "Examples/HostApp",
      "product_memberships" : [
        "MCPKitExample"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "MCPKit"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "MCPKit",
      "module_type" : "SwiftTarget",
      "name" : "MCPKit",
      "path" : "Sources/MCPKit",
      "product_dependencies" : [
        "MCP"
      ],
      "product_memberships" : [
        "MCPKit",
        "MCPKitStdioFailureFixture",
        "MCPKitExample",
        "JSONLLogAppendFixture"
      ],
      "sources" : [
        "Arguments.swift",
        "JSONLLog.swift",
        "MCPServer.swift",
        "MCPToolProvider.swift",
        "Prompts.swift",
        "Results.swift",
        "StdioBootstrap.swift",
        "ToolSchema.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "JSONLLogAppendFixture",
      "module_type" : "SwiftTarget",
      "name" : "JSONLLogAppendFixture",
      "path" : "Tests/JSONLLogAppendFixture",
      "product_memberships" : [
        "JSONLLogAppendFixture"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "MCPKit"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "6.1"
}
Done.