Robot Actions — Remote Device Control

iOS swipe

ios_swipe

Swipe from (x1,y1) to (x2,y2) on an iOS device screen. Coordinates are in physical screen points. (On an Apple TV, use ios_tv_button arrows or ios_tv_swipe to move focus — a coordinate swipe is unavailable there.) Works without an automation session when the direct input path is available; falls back to one otherwise (see input).

Input Schema

TableJSON Schema

Name	Required	Description
`x1`	Yes	Start X coordinate
`x2`	Yes	End X coordinate
`y1`	Yes	Start Y coordinate
`y2`	Yes	End Y coordinate
`norm`	No	If true, x/y (and path points) are 0..1 FRACTIONS of the screen — pass `pixelInScreenshot ÷ screenshotSize` directly (scale-free, matches the frontend, avoids point-guessing). Default false = iOS screen points.
`udid`	Yes	iOS device UDID
`input`	No	Input path. 'auto' (default) tries the direct input path first — the one that needs no automation session — and falls back to the session only when the direct path is not usable right now (the response says which one ran). On a device set to direct-input-only, an unusable direct path is reported as an error instead of silently switching to the session. 'hid' forces the direct path with no fallback, reporting 'no HID available' on iOS 17.x or with no tunnel. 'session' forces the automation session even when the direct path would have worked.
`duration`	No	Swipe duration in ms (default: 500)

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedSep 28, 2026

changedInput schema / properties / input / description

Previous value: -"Input path. 'auto' (default) tries the direct input path first — the one that needs no automation session — and falls back to the session only when the direct path is not usable right now (the response says which one ran). 'hid' forces the direct path with no fallback, reporting 'no HID available' on iOS 17.x or with no tunnel. 'session' forces the automation session even when the direct path would have worked."New value: +"Input path. 'auto' (default) tries the direct input path first — the one that needs no automation session — and falls back to the session only when the direct path is not usable right now (the response says which one ran). On a device set to direct-input-only, an unusable direct path is reported as an error instead of silently switching to the session. 'hid' forces the direct path with no fallback, reporting 'no HID available' on iOS 17.x or with no tunnel. 'session' forces the automation session even when the direct path would have worked."

Changed2 schema fields changedSep 26, 2026

changedInput schema / properties / input / description

Previous value: -"Input path. 'auto' (default) drives the gesture through the automation session. 'hid' drives it through the direct input path instead, which needs no automation session — it reports 'no HID available' on iOS 17.x or with no tunnel."New value: +"Input path. 'auto' (default) tries the direct input path first — the one that needs no automation session — and falls back to the session only when the direct path is not usable right now (the response says which one ran). 'hid' forces the direct path with no fallback, reporting 'no HID available' on iOS 17.x or with no tunnel. 'session' forces the automation session even when the direct path would have worked."

changedInput schema / properties / input / enum

Previous value: -[
-  "auto",
-  "hid"
-]New value: +[
+  "auto",
+  "hid",
+  "session"
+]

Changed2 schema fields changedSep 17, 2026

addedInput schema / properties / input

Added value: +{
+  "description": "Input path. 'auto' (default) drives the gesture through the automation session. 'hid' drives it through the direct input path instead, which needs no automation session — it reports 'no HID available' on iOS 17.x or with no tunnel.",
+  "enum": [
+    "auto",
+    "hid"
+  ],
+  "type": "string"
+}

addedInput schema / properties / norm

Added value: +{
+  "description": "If true, x/y (and path points) are 0..1 FRACTIONS of the screen — pass `pixelInScreenshot ÷ screenshotSize` directly (scale-free, matches the frontend, avoids point-guessing). Default false = iOS screen points.",
+  "type": "boolean"
+}

First observedAug 4, 2026

TDQS

A4.1/5.0

Behavior4/5

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

Beyond the annotations (readOnly=false, destructive=false, idempotent=false), the description discloses the dual input-path behavior: it runs without an automation session when the direct path is available and falls back otherwise. That is genuinely useful operational context, though detail on failure modes is deferred to the schema's `input` param.

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

Conciseness4/5

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

Front-loads the core action and coordinate semantics before the TV caveat and input-path note. Three sentences, all earning their place, though the input-path sentence is slightly dense and references the schema rather than fully explaining.

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 an 8-param gesture tool with full schema coverage and no output schema, the description covers purpose, coordinate units, TV alternative, and the session-vs-direct input mechanism. Nothing critical is missing, though return-value and failure reporting are left to the schema.

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 100%, so the schema already documents all 8 parameters including norm, input, and duration. The description restates the coordinate meaning (physical screen points), which is a minor clarification over the schema's default, so the baseline 3 applies.

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?

States a specific verb (swipe) and resource (iOS device screen) with explicit from/to coordinate semantics. It also differentiates itself from the TV siblings by naming ios_tv_button and ios_tv_swipe as the correct tools when the target is an Apple TV.

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

Usage Guidelines4/5

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

Gives a clear when-not-to-use case (Apple TV, where coordinate swipes are unavailable) and points at the alternatives. It stops short of routing between other iOS swipe-like siblings such as ios_two_finger_swipe, ios_drag_drop, or device_swipe, so context is clear but not fully exhaustive.

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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