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nemanjavlahovic

InstrumentsMCP

sim_push_notification

Send a simulated push notification to a specified app on an iOS simulator, using a title and body or a custom APS payload.

Instructions

Send a simulated push notification to an app on a simulator. Constructs an APS payload from title/body, or accepts a full custom payload.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
bundle_idYesTarget app bundle identifier
deviceNoDevice UDID, name, or 'booted'booted
titleNoNotification title
bodyNoNotification body text
payloadNoFull APS JSON payload string (overrides title/body if provided)
Behavior3/5

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

The description explains the construction of APS payloads from title/body or custom payload, but does not describe any side effects, permissions, rate limits, or return value. With no annotations provided, more detail on what happens after sending (e.g., success/error) would improve transparency.

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?

Two sentences, no unnecessary words, and the key functional behavior (payload construction vs custom) is front-loaded. Efficient and well-structured.

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

Completeness3/5

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

Given the tool has no output schema and no annotations, the description covers the core functionality but omits prerequisites (e.g., simulator must be booted, app must be installed) and does not specify the output format. For a simple mutation tool this is adequate but not fully complete.

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

Parameters4/5

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

All parameters have schema descriptions (100% coverage), so baseline is 3. The description adds value by explaining that title/body are used to construct an APS payload and that 'payload' overrides them, clarifying the interaction between parameters.

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 clearly states the tool sends a simulated push notification to a simulator app, and explains the payload construction mode. This uniquely identifies the tool among siblings which are about profiling, tracing, and UI actions.

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?

The description clearly implies the tool is for testing push notifications on a simulator. No explicit when-not-to-use or alternatives are given, but the context is clear as no sibling tool serves the same purpose.

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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