# rankcusp [Health: Active]

**Category:** 💻 Developer Tools  
**Repository:** https://rankcusp.com/en/api  
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**Directory Page:** https://allmcps.com/mcp/rankcusp

## Description
App Store keyword ranks, the 11-30 cusp band, metadata audits and rival positions.

## Claude Desktop Quick Installation
No confirmed install details yet, so no config is published. Follow the setup steps in the repository above.

## Documentation

## What rankcusp MCP server does

The rankcusp MCP server focuses on App Store discoverability and competitive analysis. Its documented scope covers four related areas: keyword ranks, the 11–30 cusp band, metadata audits, and rival positions. Together, these capabilities support research into how apps appear for search terms, which terms fall within the specified rank range, whether app metadata needs review, and how competing apps are positioned.

The service is relevant to developers, app marketers, and agents working on App Store search analysis. It can help an agent organize ranking information or identify areas for further investigation. The available description does not specify whether the server reads a particular app, accepts keyword lists, or returns historical data, so those details should be confirmed from the API documentation before implementation.

The rankcusp MCP server is best matched to workflows where App Store search visibility is the subject of the task. It is not described as a general analytics, release-management, or app-submission service.

## Tools and capabilities

The listed capabilities are:

- App Store keyword-rank analysis
- Review of the 11–30 cusp band
- Metadata audits
- Rival-position analysis

Keyword-rank analysis addresses an app’s position for App Store search terms. The cusp-band capability narrows attention to ranks 11 through 30, which may be useful when an agent is examining terms in that specific range. The metadata-audit capability indicates that app listing metadata can be checked, but the available material does not define which metadata fields are inspected or what audit output looks like.

Rival-position analysis covers the positions of competing apps. The description does not identify the comparison inputs, ranking markets, supported storefronts, or the number of rivals that can be evaluated. Treat those as configuration and API questions rather than assumed behavior.

The rankcusp MCP server should therefore be selected for the stated App Store ranking and metadata use cases, not for capabilities that are absent from the supplied description. Its value in a broader agent workflow depends on the details exposed by the API at the listed source URL.

## Limitations and notes

No README is available in the supplied material. As a result, installation steps, transport details, authentication requirements, environment variables, formal tool names, response schemas, rate limits, and client-specific setup instructions cannot be documented reliably here.

The source is an API page at rankcusp.com/en/api, but the provided information does not state whether access requires an account or API key. It also does not confirm support for a particular MCP client. Developers should verify those points before selecting the server for production automation.

The description refers to the App Store without specifying storefront coverage, country or region handling, language support, update frequency, historical rank availability, or whether results are limited to a single platform. Those constraints may affect how ranking and rival-position data can be interpreted. Confirm them in the API documentation before building decisions or reports around the results.

_Full upstream README: https://allmcps.com/mcp/rankcusp/readme_