Asonix

ASO for your AI: keywords, rankings, competitors and ads across 2.5M+ App Store apps.

View on asonix.io

Hosted MCP Server

npx add-mcp 'https://api.asonix.io/mcp'

Installs into Claude Code, Codex, Cursor and more

Documentation

MCP server for ASO

The App Store intelligence your AI agent is missing.

Connect Asonix to Codex, Claude Code, Cursor, or any MCP client. Your agent can then research keywords, study competitors, and track rankings for you.

https://api.asonix.io/mcp

claude · asonix mcp

which keywords should my habit app target in the US?

  1. asonix.evaluate_keywords(16 keywords, "US") keywordpopularitydifficulty habit tracker6171 streak tracker2728 habit streak1712
  2. asonix.get_keyword_top_apps("streak tracker", "US") #1 StreakUp · 215 ratings · < 5k downloads last month
  3. asonix.get_keyword_top_advertisers("streak tracker", "US") Grit · ad seen in 6 of 6 checks
  4. asonix.get_app_meta_ads("Grit") 33 active Meta ads, one running since Dec 2025
  5. asonix.add_keywords("streak tracker", "habit streak") Added 2 tracked keywords and queued a ranking refresh.

“habit tracker” is too hard. Start with “streak tracker”: its #1 app has only 215 ratings. Grit buys the search ad and runs Meta ads too.

  • Popularity history
  • Rank history by country
  • Downloads and revenue
  • Apple Ads advertisers
  • Meta ads
  • Rating history
  • AI Visibility

App Store intelligence built on millions of real observations

App Store apps indexed

2.5M+

search keywords discovered

1.8M+

Meta ads collected

150K+

Apple Search Ads collected

540K+

What your agent can do

Real App Store data, not your agent’s guesses.

Ask in plain words, and your agent picks the right tools for the question.

See every tool and its inputs

01

Find keywords with real demand

Your agent checks popularity, difficulty, and relevancy before it suggests a keyword.

  • search_keywords
  • evaluate_keywords
  • get_keyword_relevance
  • get_keyword_suggestions_for_app

02

See what competitors do

See the keywords competitors rank for, the top apps on any search with their downloads and revenue, and the ads they run.

  • extract_competitor_keywords
  • get_keyword_top_apps
  • get_keyword_top_advertisers
  • get_app_search_ads_keywords
  • get_app_meta_ads

03

Track what moves

Read rank, rating, and visibility history to see which changes worked.

  • get_app_rank_history
  • get_keyword_history
  • get_app_rating_history
  • get_app_visibility_history

04

Find countries to grow next

Compare keyword opportunity across storefronts and draft local metadata.

  • get_localization_opportunities
  • get_public_app_rankings

05

Check if AI recommends your app

See how often AI assistants mention your app, and read the answers they gave.

  • get_ai_visibility_overview
  • get_ai_visibility_reasons
  • get_ai_visibility_evidence

06

Act on what it finds

Your agent adds apps and keywords, stars the winners, and refreshes rankings in your workspace.

  • add_app
  • add_keywords
  • star_keyword
  • refresh_app_rankings

Prompt library

Start with a useful ASO prompt

Copy one into your agent. Replace the highlighted parts with your app, store, or keyword.

Pick keywords to target

Use Asonix MCP to find which keywords ==[app name]== should target in ==[country/store]==. Check who ranks, who buys the search ads, and their Meta ads, then add the best two to my workspace.

Find keyword opportunities

Use Asonix MCP to find 20 keyword opportunities for ==[app name]== in ==[country/store]==. Prioritize high popularity, lower difficulty, and keywords where competitors rank but my app does not. Explain why each keyword is worth tracking.

Compare competitors

Use Asonix MCP to compare my app against the top apps for ==[keyword]== in ==[country/store]==. Summarize metadata patterns, ranking strengths, and gaps I can use in my title, subtitle, and keywords.

Localize metadata

Use Asonix MCP to localize my app metadata for ==[country/store]==. Find local keyword opportunities, compare them with my current metadata, then draft title, subtitle, and keyword field options.

Add and star winners

Use Asonix MCP to research ==[topic/category]== keywords for ==[app name]==, add the best keywords to my tracked list and star the strongest 5. Keep a short note explaining the reason for each starred keyword.

Find your edge in a crowded App Store.

$8.25/month

$99 billed annually

Unlimited apps and unlimited keywords.

Everything included

  • Keyword demand
  • Keyword relevancy
  • Ranking difficulty
  • AI keyword suggestions
  • Keyword translations
  • Country opportunity
  • Top advertisers by keyword
  • Competitor Meta ads
  • Download and revenue estimates
  • Worldwide ratings, velocity & history
  • Rank tracking
  • App Store chart tracking
  • AI Visibility
  • MCP server for AI agents

No App Store Connect access needed. Prices in USD. Taxes may apply.