42matters

live MarketingDeveloper Tools

42matters MCP — mobile app-store intelligence: app lookup, search, top charts, and SDK-usage discovery across Google Play & the App Store. BYO 42matters token.

4 tools

0ms auth

free tier 50 calls/day

Tools

fortytwo_app_lookup

Look up full details for a single mobile app — title, developer, ratings, downloads/installs, category, price, and more. For Android pass the package name via `app_id` (e.g. "com.facebook.katana"); fo

No parameters required.

▶ Try it

Response

fortytwo_app_search

Search the app store by keyword and return matching apps with pagination. Example: fortytwo_app_search({ platform: "ios", query: "racing games", limit: 20, page: 1, _apiKey: "your-token" })

No parameters required.

▶ Try it

Response

fortytwo_top_charts

Get a ranked top-chart list (top free, top paid, top grossing, etc.) for a country and category. Android uses `cat_key` (e.g. "OVERALL"); iOS uses `genre_id` (e.g. "36" for the overall/all-apps genre)

No parameters required.

▶ Try it

Response

fortytwo_apps_by_sdk

Find apps that integrate a given SDK. Pass one or more SDK ids via `sdk` (e.g. "google-ads-admob"). Useful for competitive/market-share analysis of ad networks, analytics, and other SDKs. Example: for

No parameters required.

▶ Try it

Response

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools

bash

curl -X POST https://gateway.pipeworx.io/42matters/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'

Call a tool

bash

curl -X POST https://gateway.pipeworx.io/42matters/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"fortytwo_app_lookup","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript

import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("fortytwo_app_lookup", {});

ask_pipeworx

// Or ask in plain English:
const answer = await px.ask("42matters mcp — mobile app-store intelligence: app lookup, search, top charts, and sdk-usage discovery across google play & the app store");

Related packs

Other Pipeworx packs in the same categories (Marketing, Developer Tools):

MCP Config

claude_desktop_config.json

{
  "mcpServers": {
    "pipeworx-42matters": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://gateway.pipeworx.io/42matters/mcp"
      ]
    }
  }
}