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TypeScript
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debug

Symbolicate Apple crash artifacts using matching dSYM UUIDs to produce readable crash reports. Provide the crash artifact and optional dSYM path for accurate symbolication.

Instructions

Symbolicate Apple crash artifacts with matching dSYM UUIDs. This debug namespace is intentionally narrow: use logs for app logs, network for HTTP evidence, perf for performance samples, record/trace for media and traces, and react-devtools for React Native profiles. Times out after 90s.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
outNoOutput path for the symbolicated artifact.
dsymNoPath to a matching .dSYM bundle.
udidNoApple device or simulator UDID; the selector that pins one device when several share a name.
debugNoEnable debug diagnostics.
runIdNoLease run identifier.
actionYes
deviceNoDevice name selector (a UDID belongs in udid, a serial in serial).
serialNoAndroid, HarmonyOS, or Vega VVD serial selector.
targetNoAlias for deviceTarget on commands without a UI target field. Interaction commands reserve target for the UI element.
tenantNoRemote tenant identifier.
leaseIdNoExisting lease identifier.
sessionNoAgent-device session name.
artifactYesApple crash artifact path (.ips, .crash, or .log).
platformNoPlatform selector used to resolve a device.
searchPathNoDirectory to scan for matching .dSYM bundles.
includeCostNoInclude per-command agent-cost (cost.wallClockMs, …) in structuredContent. Defaults to off; the default response shape is unchanged.
deviceTargetNoDevice target form. Maps to the CLI --target flag.
responseLevelNoResponse verbosity: token-cheap digest / default (today) / full. Defaults to default; the default response shape is unchanged.
mcpOutputFormatNoMCP text content format. Defaults to optimized agent-friendly text; use json for JSON text. Structured content is always returned separately.
androidDeviceAllowlistNoAndroid serial allowlist used for device resolution.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changedv0.21.0
    • changedInput schema / properties / device / description
      Previous value: -"Device name selector."New value: +"Device name selector (a UDID belongs in udid, a serial in serial)."
    • changedInput schema / properties / serial / description
      Previous value: -"Android device or Vega VVD serial selector."New value: +"Android, HarmonyOS, or Vega VVD serial selector."
    • changedInput schema / properties / udid / description
      Previous value: -"iOS device UDID selector."New value: +"Apple device or simulator UDID; the selector that pins one device when several share a name."
  2. Changed8 schema fields changedv0.20.10
    • removedInput schema / properties / cwd
      Removed value: -{
-  "description": "Working directory for command execution.",
-  "type": "string"
-}
    • removedInput schema / properties / daemonAuthToken
      Removed value: -{
-  "description": "Remote daemon auth token.",
-  "type": "string"
-}
    • removedInput schema / properties / daemonBaseUrl
      Removed value: -{
-  "description": "Remote daemon base URL.",
-  "type": "string"
-}
    • removedInput schema / properties / iosSimulatorDeviceSet
      Removed value: -{
-  "description": "iOS simulator device-set path used for device resolution.",
-  "type": "string"
-}
    • removedInput schema / properties / iosXctestDerivedDataPath
      Removed value: -{
-  "description": "Derived data path for external iOS XCTest runner execution.",
-  "type": "string"
-}
    • removedInput schema / properties / iosXctestEnvDir
      Removed value: -{
-  "description": "Writable directory for iOS XCTest runner env overlays.",
-  "type": "string"
-}
    • removedInput schema / properties / iosXctestrunFile
      Removed value: -{
-  "description": "Externally built iOS XCTest runner .xctestrun artifact path.",
-  "type": "string"
-}
    • removedInput schema / properties / stateDir
      Removed value: -{
-  "description": "Agent-device state directory.",
-  "type": "string"
-}
  3. Changed1 schema field changedv0.20.9
    • changedInput schema / properties / platform / enum
      Previous value: -[
-  "apple",
-  "android",
-  "vega",
-  "linux",
-  "web",
-  "ios",
-  "macos"
-]New value: +[
+  "apple",
+  "android",
+  "harmonyos",
+  "vega",
+  "linux",
+  "web",
+  "ios",
+  "macos"
+]
  4. Changed2 schema fields changedv0.20.2
    • changedInput schema / properties / platform / enum
      Previous value: -[
-  "apple",
-  "android",
-  "linux",
-  "web",
-  "ios",
-  "macos"
-]New value: +[
+  "apple",
+  "android",
+  "vega",
+  "linux",
+  "web",
+  "ios",
+  "macos"
+]
    • changedInput schema / properties / serial / description
      Previous value: -"Android serial selector."New value: +"Android device or Vega VVD serial selector."
  5. Changed3 schema fields changedv0.17.11
    • addedInput schema / properties / includeCost
      Added value: +{
+  "description": "Include per-command agent-cost (cost.wallClockMs, …) in structuredContent. Defaults to off; the default response shape is unchanged.",
+  "type": "boolean"
+}
    • changedInput schema / properties / platform / enum
      Previous value: -[
-  "ios",
-  "macos",
-  "android",
-  "linux",
-  "web",
-  "apple"
-]New value: +[
+  "apple",
+  "android",
+  "linux",
+  "web",
+  "ios",
+  "macos"
+]
    • addedInput schema / properties / responseLevel
      Added value: +{
+  "description": "Response verbosity: token-cheap digest / default (today) / full. Defaults to default; the default response shape is unchanged.",
+  "enum": [
+    "digest",
+    "default",
+    "full"
+  ],
+  "type": "string"
+}
  6. Changed1 schema field changedv0.17.7
    • changedInput schema / properties / platform / enum
      Previous value: -[
-  "ios",
-  "macos",
-  "android",
-  "linux",
-  "apple"
-]New value: +[
+  "ios",
+  "macos",
+  "android",
+  "linux",
+  "web",
+  "apple"
+]
  7. Addedv0.17.6

TDQS

A4.2/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden of behavioral disclosure. It adds the useful 90-second timeout and the narrow-scope behavior, but it does not disclose side effects, output behavior, or failure modes beyond that. Some meaningful behavioral context is present, but not enough for a tool with zero annotation coverage.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is three sentences with no filler. It front-loads the core purpose, then provides sibling routing, and ends with the timeout constraint. Every sentence contributes information an agent needs.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 20-parameter tool with no annotations and no output schema, the description is relatively complete: it clarifies purpose, sibling boundaries, and a key operational limit. It leaves some details such as output path defaults or multi-dSYM matching behavior to the schema, but the schema picks up most of that burden.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 95%, so the schema already documents nearly all parameters. The description adds the key conceptual detail that dSYM matching is done by UUID, which helps make sense of dsym and searchPath, but it does not need to add more and does not go beyond that.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description opens with a specific verb and resource: 'Symbolicate Apple crash artifacts with matching dSYM UUIDs.' It clearly distinguishes this tool from sibling tools by stating the debug namespace is intentionally narrow and naming what each sibling should be used for.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly routes an agent to alternatives: 'use logs for app logs, network for HTTP evidence, perf for performance samples, record/trace for media and traces, and react-devtools for React Native profiles.' This makes the selection boundary between debug and neighboring tools explicit.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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