AppSkyline MCP

Drive your app store rank tracking from your own code: a REST API with scoped keys and per-key rate limits over the apps and search terms you track across the iOS App Store, Google Play and the Microsoft Store, plus signed webhooks when something changes.

The AppSkyline REST API lets your own backend work with what the dashboard shows: the apps your organization tracks, the search terms tracked for each of them across the iOS App Store, Google Play and the Microsoft Store, and the store engagement rows behind the stats pages.

Open the AppSkyline dashboard and create an API key under API keys. The secret is shown once, when the key is created, and never again — store it somewhere safe. A key belongs to a single organization, so the organization is implied by the key and never has to be sent.

Authenticate every request with HTTP Basic auth carrying only the key secret, base64-encoded, in the Authorization header.

# The Authorization header is HTTP Basic auth carrying only the key secret, # with no username and no colon. Authorization: Basic $(printf %s YOUR_API_KEY_SECRET | base64)

Every endpoint lives underhttps://api.appskyline.com. Requests made with a key are rate limited per key; going over the limit returns 429.

List your tracked apps, start tracking a new search term for one of them, then read the terms tracked for that app.

# List the apps your organization tracks curl https://api.appskyline.com/api/apps \ -H "Authorization: Basic $(printf %s YOUR_API_KEY_SECRET | base64)" # Track a new search term for one of them. country is a two-letter ISO code and # language a two-letter ISO code; the pair is the storefront the term is # ranked in. curl -X POST https://api.appskyline.com/api/keywords \ -H "Authorization: Basic $(printf %s YOUR_API_KEY_SECRET | base64)" \ -H "Content-Type: application/json" \ -d '{ "appId": "APP_ID", "searchTerms": "dental practice software", "country": "us", "language": "en" }' # Read back the terms tracked for that app curl "https://api.appskyline.com/api/keywords?appId=APP_ID&limit=50" \ -H "Authorization: Basic $(printf %s YOUR_API_KEY_SECRET | base64)"

Browse the full API reference— every endpoint with its parameters, request body, responses and required scope.

The CLI is open source atgithub.com/appskyline/cliand published asappskyline on npm. Run any command with --help to see its options.

# Any MCP client that supports remote servers uses the same URL: https://mcp.appskyline.com/mcp # Codex CLI codex mcp add appskyline --url https://mcp.appskyline.com/mcp codex mcp login appskyline # VS Code code --add-mcp '{"name":"appskyline","type":"http","url":"https://mcp.appskyline.com/mcp"}' # Cursor, Windsurf and other editors: add to their MCP config file { "mcpServers": { "appskyline": { "type": "http", "url": "https://mcp.appskyline.com/mcp" } } } # Clients that only support local (stdio) servers can bridge: npx mcp-remote https://mcp.appskyline.com/mcp

The openAgent Plugins standardpackages the AppSkyline MCP server and its ASO research skill together. Install one repository and your agent learns the workflow, connects to the remote tools, and sends you through the same AppSkyline OAuth approval flow — no API key or client secret is bundled in the plugin.

# Portable Agent Plugins package (Kiro, Cursor, Copilot-compatible hosts) https://github.com/appskyline/claude-plugin # Gemini CLI gemini extensions install https://github.com/appskyline/claude-plugin # Google Antigravity uses its native adapter from the same repository git clone https://github.com/appskyline/claude-plugin.git agy plugin install ./claude-plugin/com.google.antigravity

Agents and registries can discover the same package fromthe well-known Agent Plugin manifestor from AppSkyline’sAI Catalog.

AppSkyline ships Agent Skills — guides following theagentskills.io standardthat teach coding agents how to run ASO research with the appskyline CLI and the MCP connector, instead of guessing at commands and tools.

# Install the AppSkyline skills into your coding agent npx skills add appskyline/skills

The skills are open source atgithub.com/appskyline/skills. Claude users can also install the AppSkyline Claude plugin, which bundles the connector together with the skills:github.com/appskyline/claude-plugin.

POST https://your-server.com/appskyline-webhook { "event": "keyword.created", "timestamp": 1719000000, "data": { "...": "..." } }

import crypto from 'node:crypto' // body must be the RAW request body, byte for byte function verify(header, body, secret) { const [t, v1] = (header || '').split(',').map(part => part.split('=')[1]) if (!t || !v1) return false const expected = crypto .createHmac('sha256', secret) .update(\${t}.${body}\) .digest('hex') // timingSafeEqual throws on a length mismatch, so a malformed signature // has to be rejected before the comparison rather than by it. if (v1.length !== expected.length) return false return crypto.timingSafeEqual(Buffer.from(v1), Buffer.from(expected)) }

Delivery is one best-effort attempt with a five second timeout and no retries, so respond 2xx quickly and do the work asynchronously. An endpoint that fails twenty times in a row is disabled automatically and has to be re-enabled in the dashboard.

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