xctrace performance profiling execution via mcp, xcrun command execution with environment isolation, xcodebuild project compilation and testing orchestration, xcode simulator lifecycle management via mcp, xcode build log streaming and structured parsing, code signing and provisioning profile management via mcp, device and simulator discovery with runtime version querying

xctools

MCP ServerFree

** - 🍎 MCP server for Xcode's xctrace, xcrun, xcodebuild.

Open Source

/ 100

7 capabilities

Capabilities7 decomposed

xctrace performance profiling execution via mcp

Medium confidence

Executes Apple's xctrace command-line tool through an MCP server interface, enabling remote or programmatic invocation of Xcode's performance profiling capabilities. The MCP server wraps xctrace subprocess execution, marshaling arguments and capturing structured profiling output (CPU, memory, disk I/O traces) that can be consumed by LLM agents or automation workflows without direct Xcode GUI interaction.

Solves for

I need to profile iOS app performance metrics from a CI/CD pipeline without opening XcodeI want an LLM agent to automatically run performance traces and analyze bottlenecksI need to capture xctrace output programmatically and feed it into analysis tools

Best for

iOS/macOS developers automating performance testing in CI/CD

teams building LLM-powered development assistants for Apple platforms

DevOps engineers integrating Xcode tooling into headless build systems

Requires

macOS 10.15+

Xcode 11.0+ with command-line tools installed

MCP client compatible with stdio-based server transport

Limitations

xctrace requires macOS with Xcode installed; cannot run on Linux or Windows

Trace file output is binary (.trace) and requires additional parsing to extract metrics

Real-time streaming of trace data not supported; must wait for trace completion

What makes it unique

Provides MCP-native wrapping of xctrace with subprocess lifecycle management, allowing LLM agents and automation tools to trigger Apple's native profiling without Xcode GUI or direct shell access

vs alternatives

Enables headless xctrace execution in CI/CD and agent workflows where Xcode.app is unavailable, unlike GUI-only profiling tools

xcrun command execution with environment isolation

Medium confidence

Wraps Apple's xcrun utility through MCP, enabling execution of arbitrary Xcode-provided tools (simulators, compilers, code signing, etc.) with isolated environment variables and working directory context. The server marshals xcrun subprocess calls, capturing stdout/stderr and exit codes, allowing remote agents to invoke simulator management, device queries, and build tool chains without direct shell access.

Solves for

I need to launch iOS simulators and query their status from an LLM agentI want to run code signing and provisioning profile operations programmaticallyI need to execute Xcode build tools (clang, swiftc) from a remote build orchestrator

Best for

CI/CD pipeline builders integrating Xcode tooling into orchestration systems

LLM agents managing iOS simulator lifecycle and device provisioning

teams building cross-platform build systems that need Xcode tool access

Requires

macOS 10.12+

Xcode 8.0+ with command-line tools installed

MCP client with subprocess execution support

Limitations

xcrun behavior varies significantly across Xcode versions; no version compatibility layer

Interactive prompts (e.g., code signing dialogs) will block subprocess execution

Environment variable inheritance from MCP server process may leak sensitive credentials

What makes it unique

Provides MCP-native subprocess wrapping of xcrun with explicit environment isolation and exit code capture, enabling safe remote invocation of Xcode toolchain without shell injection risks

vs alternatives

Safer and more composable than raw shell execution for Xcode tools; integrates directly with MCP-aware agents and CI/CD systems without requiring SSH or shell scripting

xcodebuild project compilation and testing orchestration

Medium confidence

Executes xcodebuild commands through MCP to compile iOS/macOS projects, run unit/UI tests, and generate build artifacts. The server marshals xcodebuild subprocess invocation with scheme/target selection, build configuration (Debug/Release), and test filtering, capturing build logs and test results in structured formats (JSON, XML) for downstream analysis.

Solves for

I need to trigger full iOS app builds from a CI/CD pipeline and capture build artifactsI want an LLM agent to run unit tests and analyze test failures automaticallyI need to generate code coverage reports and feed them into analysis tools

Best for

iOS/macOS CI/CD engineers automating build and test workflows

LLM-powered code review agents that need to validate changes with test execution

teams building intelligent build orchestration systems with failure analysis

Requires

macOS 10.12+

Xcode 8.0+ with command-line tools installed

Valid Xcode project or workspace (.xcodeproj or .xcworkspace)

Limitations

xcodebuild output parsing is fragile; format changes across Xcode versions break parsing

No built-in support for parallel test execution across multiple simulators/devices

Build logs can exceed 100MB for large projects; no streaming or pagination

What makes it unique

Provides MCP-native orchestration of xcodebuild with structured result capture (JSON/XML test results, artifact paths), enabling LLM agents and CI systems to parse and act on build/test outcomes without log parsing

vs alternatives

Integrates xcodebuild into MCP-aware workflows with structured output, unlike raw shell invocation; enables agent-driven test analysis and failure remediation

xcode simulator lifecycle management via mcp

Medium confidence

Manages iOS/macOS simulator lifecycle (launch, shutdown, reset, device list queries) through MCP by wrapping xcrun simctl commands. The server provides structured queries of available simulators, their runtime versions, and device states, enabling remote agents to provision and manage simulator environments for testing without GUI interaction.

Solves for

I need to query available iOS simulators and their runtime versions from an agentI want to launch a specific simulator and wait for it to be ready for testingI need to reset simulator state between test runs to ensure clean environments

Best for

LLM agents automating iOS test environment setup and teardown

CI/CD systems managing simulator pools for parallel test execution

teams building intelligent test orchestration that adapts to available simulators

Requires

macOS 10.12+

Xcode 8.0+ with iOS Simulator runtime installed

MCP client with subprocess execution support

Limitations

Simulator launch times are unpredictable (30s-2m); no built-in readiness detection

Multiple simulators running simultaneously consume significant CPU/RAM; no resource management

Simulator state reset is destructive and cannot be undone; no snapshot/rollback mechanism

What makes it unique

Provides MCP-native wrapping of xcrun simctl with structured device enumeration and state queries, enabling agents to discover and manage simulator environments without parsing raw simctl output

vs alternatives

Integrates simulator management into MCP workflows with structured queries, unlike shell scripts that require fragile output parsing

xcode build log streaming and structured parsing

Medium confidence

Captures and parses xcodebuild output in real-time, converting unstructured build logs into structured events (compilation errors, warnings, test results) that can be consumed by agents. The server may implement log line parsing using regex or state machines to extract compiler diagnostics, test outcomes, and build phase transitions, enabling downstream analysis without manual log inspection.

Solves for

I need to extract compilation errors and warnings from build logs automaticallyI want an LLM agent to identify and suggest fixes for build failures in real-timeI need to correlate test failures with specific source files and line numbers

Best for

LLM-powered build failure analysis and remediation agents

CI/CD systems that need to parse and act on build diagnostics

teams building intelligent build monitoring with automated error categorization

Requires

macOS 10.12+

Xcode 8.0+

MCP client with streaming/event support

Limitations

Log format varies across Xcode versions; parsing rules require version-specific updates

Compiler diagnostics include file paths that may be relative or absolute; normalization is fragile

Test output format differs between XCTest, Quick, and third-party frameworks; no universal parser

What makes it unique

Provides structured event extraction from xcodebuild logs via regex/state machine parsing, converting unstructured text into actionable diagnostics (file, line, severity) for agent consumption

vs alternatives

Enables agents to act on build failures without manual log inspection; more reliable than raw log parsing because it normalizes Xcode version differences

code signing and provisioning profile management via mcp

Medium confidence

Wraps code signing and provisioning profile operations (xcrun security, codesign, provisioning profile queries) through MCP, enabling remote agents to manage signing identities, validate certificates, and query provisioning profiles. The server may parse provisioning profile metadata (entitlements, team ID, expiration) and provide structured queries for certificate validation.

Solves for

I need to query available code signing identities and provisioning profiles from an agentI want to validate that a provisioning profile is valid and not expired before buildingI need to extract entitlements from a provisioning profile for security analysis

Best for

CI/CD systems automating iOS app signing and deployment

LLM agents validating build prerequisites (signing identity, provisioning profile)

teams building intelligent release pipelines with signing validation

Requires

macOS 10.12+

Xcode 8.0+

Valid code signing identity in Keychain

Limitations

Provisioning profile parsing requires binary plist decoding; no built-in support

Code signing failures are often cryptic (certificate not found, expired); no automatic remediation

Keychain access requires user interaction or stored credentials; security implications

What makes it unique

Provides MCP-native wrapping of code signing tools with structured provisioning profile metadata extraction, enabling agents to validate signing prerequisites before build/deployment

vs alternatives

Integrates code signing validation into MCP workflows with structured queries, unlike manual certificate/profile inspection

device and simulator discovery with runtime version querying

Medium confidence

Queries connected iOS/macOS devices and available simulators with their runtime versions, architectures, and capabilities through MCP. The server wraps xcrun commands (xcrun xctrace list devices, simctl list) and parses output to provide structured device inventories, enabling agents to select appropriate targets for testing or profiling based on OS version and device type.

Solves for

I need to discover all available iOS simulators and their runtime versions for test selectionI want to query connected physical devices and their iOS versions before deployingI need to select the best device/simulator for a specific test based on OS version compatibility

Best for

LLM agents selecting optimal test targets based on OS version and device type

CI/CD systems discovering available simulators for parallel test execution

teams building intelligent test orchestration with device capability matching

Requires

macOS 10.12+

Xcode 8.0+

MCP client with subprocess execution support

Limitations

Device discovery is point-in-time; no change notifications when devices connect/disconnect

Runtime version strings vary across Xcode versions; no normalization

Physical device queries require USB connection and may timeout if device is unresponsive

What makes it unique

Provides MCP-native device/simulator discovery with structured runtime version and capability queries, enabling agents to make informed target selection without manual device inspection

vs alternatives

Integrates device discovery into MCP workflows with structured queries, unlike shell scripts that require fragile output parsing

Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.

Related Artifactssharing capabilities

Artifacts that share capabilities with xctools, ranked by overlap. Discovered automatically through the match graph.

MCP Server29

XcodeBuildMCP

** -  Popular MCP server that enables AI agents to scaffold, build, run and test iOS, macOS, visionOS and watchOS apps or simulators and wired and wireless devices. It has powerful UI-automation capabilities like controlling the simulator, capturing run-time logs, as well as taking screenshots and

test execution and result reportingxcode build execution with target and configuration selectionapp performance profiling and metrics collectionios/macos/visionos/watchos app scaffolding and project generation

4 shared capabilities

MCP Server43

XcodeBuildMCP

A Model Context Protocol (MCP) server and CLI that provides tools for agent use when working on iOS and macOS projects.

test execution and result aggregationcode coverage analysis and reportingdual-mode tool invocation (mcp server + cli)build execution with xcodemake abstraction layer

4 shared capabilities

MCP Server43

XcodeBuildMCP

A Model Context Protocol (MCP) server and CLI that provides tools for agent use when working on iOS and macOS projects.

test execution with coverage and result aggregationbuild execution with structured output and error capturedual-mode tool invocation with unified implementation

3 shared capabilities

Repository21

xcodebuild

** - 🍎 Build iOS Xcode workspace/project and feed back errors to llm.

ios xcode workspace/project build orchestrationmulti-scheme and multi-configuration build matrix execution

2 shared capabilities

MCP Server23

AWS Core

** - Core AWS MCP server providing prompt understanding and server management capabilities.

execution tracing and observability instrumentation

1 shared capability

MCP Server33

@browserstack/mcp-server

BrowserStack's Official MCP Server

test execution and result collection through mcp

1 shared capability

Best For

✓iOS/macOS developers automating performance testing in CI/CD
✓teams building LLM-powered development assistants for Apple platforms
✓DevOps engineers integrating Xcode tooling into headless build systems
✓CI/CD pipeline builders integrating Xcode tooling into orchestration systems
✓LLM agents managing iOS simulator lifecycle and device provisioning
✓teams building cross-platform build systems that need Xcode tool access
✓iOS/macOS CI/CD engineers automating build and test workflows
✓LLM-powered code review agents that need to validate changes with test execution

Known Limitations

⚠xctrace requires macOS with Xcode installed; cannot run on Linux or Windows
⚠Trace file output is binary (.trace) and requires additional parsing to extract metrics
⚠Real-time streaming of trace data not supported; must wait for trace completion
⚠No built-in filtering or aggregation of trace results — raw output requires post-processing
⚠xcrun behavior varies significantly across Xcode versions; no version compatibility layer
⚠Interactive prompts (e.g., code signing dialogs) will block subprocess execution

Requirements

macOS 10.15+Xcode 11.0+ with command-line tools installedMCP client compatible with stdio-based server transportmacOS 10.12+Xcode 8.0+ with command-line tools installedMCP client with subprocess execution supportValid Xcode project or workspace (.xcodeproj or .xcworkspace)MCP client with long-running subprocess support

Input / Output

Accepts: command arguments (strings), trace template names (e.g., 'System Trace', 'App Launch'), target process identifiers or bundle IDs, xcrun tool names (string), command arguments (array of strings), environment variable overrides (key-value pairs), working directory path (string), project/workspace path (string), scheme name (string), build configuration (Debug/Release/Custom), destination specifier (simulator/device identifier), test target filter (optional string), simulator UDID or device name (string), runtime version filter (optional string), device type filter (optional string), xcodebuild output stream (text), log format version/Xcode version hint (optional string), provisioning profile path or UUID (string), code signing identity name (string), team ID filter (optional string), device type filter (optional string, e.g., 'iPhone', 'iPad'), runtime version filter (optional string, e.g., '16.0')

Produces: trace file paths (.trace binary format), structured profiling metadata (JSON or text), stderr/stdout from xctrace subprocess, stdout text (string), stderr text (string), exit code (integer), execution duration (milliseconds), build log text (string), test results (JSON/XML from xcodebuild -resultBundlePath), build artifacts (binary paths, .app bundles), code coverage reports (optional), simulator list (JSON with UDID, name, runtime, state), device state (Booted/Shutdown/Creating), stdout/stderr from simctl commands, structured build events (JSON with type, severity, file, line, message), compilation error/warning list (array of diagnostics), test result events (pass/fail/skip with duration), build phase transitions (Compiling, Linking, Testing), provisioning profile metadata (JSON with team ID, entitlements, expiration), code signing identity list (array of certificate names), certificate validity status (valid/expired/revoked), device list (JSON with UDID, name, model, OS version, architecture), device capabilities (array of supported features)

UnfragileRank

Adoption15%(30% weight)

Quality16%(25% weight)

Ecosystem30%(25% weight)

Match Graph10%(15% weight)

Freshness75%(5% weight)

UnfragileRank is computed from adoption signals, documentation quality, ecosystem connectivity, match graph feedback, and freshness. No artifact can pay for a higher rank.

Type: MCP Server

7 capabilities

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** - 🍎 MCP server for Xcode's xctrace, xcrun, xcodebuild.

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Capabilities7 decomposed

xctrace performance profiling execution via mcp

Medium confidence

Solves for

Best for

iOS/macOS developers automating performance testing in CI/CD

teams building LLM-powered development assistants for Apple platforms

DevOps engineers integrating Xcode tooling into headless build systems

Requires

macOS 10.15+

Xcode 11.0+ with command-line tools installed

MCP client compatible with stdio-based server transport

Limitations

xctrace requires macOS with Xcode installed; cannot run on Linux or Windows

Trace file output is binary (.trace) and requires additional parsing to extract metrics

Real-time streaming of trace data not supported; must wait for trace completion

What makes it unique

Provides MCP-native wrapping of xctrace with subprocess lifecycle management, allowing LLM agents and automation tools to trigger Apple's native profiling without Xcode GUI or direct shell access

vs alternatives

Enables headless xctrace execution in CI/CD and agent workflows where Xcode.app is unavailable, unlike GUI-only profiling tools

xcrun command execution with environment isolation

Medium confidence

Solves for

Best for

CI/CD pipeline builders integrating Xcode tooling into orchestration systems

LLM agents managing iOS simulator lifecycle and device provisioning

teams building cross-platform build systems that need Xcode tool access

Requires

macOS 10.12+

Xcode 8.0+ with command-line tools installed

MCP client with subprocess execution support

Limitations

xcrun behavior varies significantly across Xcode versions; no version compatibility layer

Interactive prompts (e.g., code signing dialogs) will block subprocess execution

Environment variable inheritance from MCP server process may leak sensitive credentials

What makes it unique

Provides MCP-native subprocess wrapping of xcrun with explicit environment isolation and exit code capture, enabling safe remote invocation of Xcode toolchain without shell injection risks

vs alternatives

Safer and more composable than raw shell execution for Xcode tools; integrates directly with MCP-aware agents and CI/CD systems without requiring SSH or shell scripting

xcodebuild project compilation and testing orchestration

Medium confidence

Solves for

Best for

iOS/macOS CI/CD engineers automating build and test workflows

LLM-powered code review agents that need to validate changes with test execution

teams building intelligent build orchestration systems with failure analysis

Requires

macOS 10.12+

Xcode 8.0+ with command-line tools installed

Valid Xcode project or workspace (.xcodeproj or .xcworkspace)

Limitations

xcodebuild output parsing is fragile; format changes across Xcode versions break parsing

No built-in support for parallel test execution across multiple simulators/devices

Build logs can exceed 100MB for large projects; no streaming or pagination

What makes it unique

vs alternatives

Integrates xcodebuild into MCP-aware workflows with structured output, unlike raw shell invocation; enables agent-driven test analysis and failure remediation

xcode simulator lifecycle management via mcp

Medium confidence

Solves for

Best for

LLM agents automating iOS test environment setup and teardown

CI/CD systems managing simulator pools for parallel test execution

teams building intelligent test orchestration that adapts to available simulators

Requires

macOS 10.12+

Xcode 8.0+ with iOS Simulator runtime installed

MCP client with subprocess execution support

Limitations

Simulator launch times are unpredictable (30s-2m); no built-in readiness detection

Multiple simulators running simultaneously consume significant CPU/RAM; no resource management

Simulator state reset is destructive and cannot be undone; no snapshot/rollback mechanism

What makes it unique

Provides MCP-native wrapping of xcrun simctl with structured device enumeration and state queries, enabling agents to discover and manage simulator environments without parsing raw simctl output

vs alternatives

Integrates simulator management into MCP workflows with structured queries, unlike shell scripts that require fragile output parsing

xcode build log streaming and structured parsing

Medium confidence

Solves for

Best for

LLM-powered build failure analysis and remediation agents

CI/CD systems that need to parse and act on build diagnostics

teams building intelligent build monitoring with automated error categorization

Requires

macOS 10.12+

Xcode 8.0+

MCP client with streaming/event support

Limitations

Log format varies across Xcode versions; parsing rules require version-specific updates

Compiler diagnostics include file paths that may be relative or absolute; normalization is fragile

Test output format differs between XCTest, Quick, and third-party frameworks; no universal parser

What makes it unique

Provides structured event extraction from xcodebuild logs via regex/state machine parsing, converting unstructured text into actionable diagnostics (file, line, severity) for agent consumption

vs alternatives

Enables agents to act on build failures without manual log inspection; more reliable than raw log parsing because it normalizes Xcode version differences

code signing and provisioning profile management via mcp

Medium confidence

Solves for

Best for

CI/CD systems automating iOS app signing and deployment

LLM agents validating build prerequisites (signing identity, provisioning profile)

teams building intelligent release pipelines with signing validation

Requires

macOS 10.12+

Xcode 8.0+

Valid code signing identity in Keychain

Limitations

Provisioning profile parsing requires binary plist decoding; no built-in support

Code signing failures are often cryptic (certificate not found, expired); no automatic remediation

Keychain access requires user interaction or stored credentials; security implications

What makes it unique

Provides MCP-native wrapping of code signing tools with structured provisioning profile metadata extraction, enabling agents to validate signing prerequisites before build/deployment

vs alternatives

Integrates code signing validation into MCP workflows with structured queries, unlike manual certificate/profile inspection

device and simulator discovery with runtime version querying

Medium confidence

Solves for

Best for

LLM agents selecting optimal test targets based on OS version and device type

CI/CD systems discovering available simulators for parallel test execution

teams building intelligent test orchestration with device capability matching

Requires

macOS 10.12+

Xcode 8.0+

MCP client with subprocess execution support

Limitations

Device discovery is point-in-time; no change notifications when devices connect/disconnect

Runtime version strings vary across Xcode versions; no normalization

Physical device queries require USB connection and may timeout if device is unresponsive

What makes it unique

Provides MCP-native device/simulator discovery with structured runtime version and capability queries, enabling agents to make informed target selection without manual device inspection

vs alternatives

Integrates device discovery into MCP workflows with structured queries, unlike shell scripts that require fragile output parsing

Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.

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xctools

Capabilities7 decomposed

xctrace performance profiling execution via mcp

xcrun command execution with environment isolation

xcodebuild project compilation and testing orchestration

xcode simulator lifecycle management via mcp

xcode build log streaming and structured parsing

code signing and provisioning profile management via mcp

device and simulator discovery with runtime version querying

Related Artifactssharing capabilities

XcodeBuildMCP

XcodeBuildMCP

XcodeBuildMCP

xcodebuild

AWS Core

@browserstack/mcp-server

Best For

Known Limitations

Requirements

Input / Output

UnfragileRank

About

Categories

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Data Sources

xctools

Capabilities7 decomposed

xctrace performance profiling execution via mcp

xcrun command execution with environment isolation

xcodebuild project compilation and testing orchestration

xcode simulator lifecycle management via mcp

xcode build log streaming and structured parsing

code signing and provisioning profile management via mcp

device and simulator discovery with runtime version querying

Related Artifactssharing capabilities

XcodeBuildMCP

XcodeBuildMCP

XcodeBuildMCP

xcodebuild

AWS Core

@browserstack/mcp-server

Best For

Known Limitations

Requirements

Input / Output

UnfragileRank

About

Categories

Alternatives to xctools

Are you the builder of xctools?

Get the weekly brief

Data Sources