Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
Server Sentinel
Server Sentinel is a native server monitoring and administration app for iPhone, iPad, and Mac.
$3.99
PRICE
$3.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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Make it yours Optional
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Server Sentinel: map the core Developer Tools workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Provide more detailed metrics and insights.
Assumption to check: Limited server monitoring capabilities.
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to set custom alerts based on thresholds.
Assumption to check: Lack of custom alert settings.
Validate with people who use this workflow before building.
Hypothesis 3
Implement options to export logs and alerts.
Assumption to check: No data export functionality.
Validate with people who use this workflow before building.
Hypothesis 4
Create a step-by-step onboarding process for new users.
Assumption to check: Poor user onboarding experience.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Server Sentinel is a native server monitoring and administration app for iPhone, iPad, and Mac. Connect only to servers you add, then keep important operational information in one focused dashboard. MONITOR AT A GLANCE • View CPU, memory, disk, network, uptime, load, and health status • Follow recent trends and critical alerts • Inspect running processes and review local action history WORK DIRECTLY WITH YOUR SERVERS • Connect with DirectSSH using password or private-key authentication • Pin SSH host public keys to verify server identity • Open a remote terminal and run commands on the selected server • Optionally connect through an HTTPS Agent Relay that you deploy and control PRIVATE BY DESIGN • No Server Sentinel account required • No developer-operated backend • No advertising, analytics, crash reporting, or tracking • Credentials are stored in the device Keychain • Monitoring and terminal history remain in the local app container Server Sentinel is designed for developers, system administrators, and anyone who manages servers from Apple devices. Background monitoring is not supported; collection runs while the app is in the foreground.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
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zustand
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
