Dekadans ASO

net.dekadans/asodekadans.netstreamable-httpv1.0.0Scanned 46 minutes ago

App Store keyword rankings, popularity, difficulty and keyword research across 175 storefronts.

13 tools: 3 change things and 10 only read.

Reads private data · 0
Reads text others write · 6
Can send data out · 0
No findings

Anlyon alternative

3 of these tools change something. Run those as governed actions.

Declare what an action changes, and Anlyon puts it under a shared limit, binds every approval to the exact request, and grades the outcome. It works on any HTTPS API you can describe as an action.

Anlyon does not run, proxy or govern this MCP server. A tool your own code calls directly is not routed through Anlyon and is not governed by it.

Import an OpenAPI spec →

Tools

Grouped by what each tool does, most consequential first. Open one for its reasons and full description; descriptions are the publisher's own words.

13 tools

Changes things 3Creates or changes something that can be changed back.Claude Code: ask

add_appTrack an app by App Store ID; its name is looked up automatically.No findings
Why it is in this group
- The name "add_app" says "add": a word for a change.
Description, as the server wrote it
Track an app by App Store ID; its name is looked up automatically. Omit appStoreId (and pass name) for a temporary app. Free plan: 1 app.
add_keywordsTrack up to 100 keywords for an app in a store and measure rank, popularity and difficulty.No findings
Why it is in this group
- The name "add_keywords" says "add": a word for a change.
Description, as the server wrote it
Track up to 100 keywords for an app in a store and measure rank, popularity and difficulty. Plan limit on total tracked keywords (free: 10); a batch over the limit is rejected entirely.
refresh_app_keywordsMeasure all tracked keywords of an app now and append to history.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it
Measure all tracked keywords of an app now and append to history.

Only reads 10Looks things up and changes nothing.Show 10 read-only tools

get_app_detailsApp Store details (developer, rating, price, description, screenshots) for up to 50 App Store IDs.Reads text others writeNo findings
Why it is in this group
- The name "get_app_details" says "get": a word for reading.
What it can reach
- untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
Description, as the server wrote it
App Store details (developer, rating, price, description, screenshots) for up to 50 App Store IDs. IDs not available in the store are omitted. Counts toward the research quota.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
get_app_keywordsTracked keywords of an app with latest metrics.No findings
Why it is in this group
- The name "get_app_keywords" says "get": a word for reading.
Description, as the server wrote it
Tracked keywords of an app with latest metrics.
Annotations the server declares
- readOnlyHint: true
get_competitor_keywordsDerives 1–3 word candidates from the top 10 competitors ranking for a keyword and returns those with popularity > 5, highest first.Reads text others writeNo findings
Why it is in this group
- The name "get_competitor_keywords" says "get": a word for reading.
What it can reach
- untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
Description, as the server wrote it
Derives 1–3 word candidates from the top 10 competitors ranking for a keyword and returns those with popularity > 5, highest first. Pass your appStoreId to exclude your own app. Counts toward the research quota.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
get_keyword_historyDaily rank, popularity and difficulty history of one tracked keyword (keywordId from get_app_keywords), oldest first; days without a measurement are omitted.No findings
Why it is in this group
- The name "get_keyword_history" says "get": a word for reading.
Description, as the server wrote it
Daily rank, popularity and difficulty history of one tracked keyword (keywordId from get_app_keywords), oldest first; days without a measurement are omitted. Free plan: last 7 days.
Annotations the server declares
- readOnlyHint: true
get_keyword_popularityPopularity scores for up to 100 keywords in a store, without tracking them.Reads text others writeNo findings
Why it is in this group
- The name "get_keyword_popularity" says "get": a word for reading.
What it can reach
- untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
Description, as the server wrote it
Popularity scores for up to 100 keywords in a store, without tracking them. Counts toward the research quota.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
get_keyword_suggestionsKeyword ideas for an App Store app with popularity and difficulty for the selected platform.Reads text others writeNo findings
Why it is in this group
- The name "get_keyword_suggestions" says "get": a word for reading.
What it can reach
- untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
Description, as the server wrote it
Keyword ideas for an App Store app with popularity and difficulty for the selected platform. Counts toward the research quota.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
get_most_searched_keywordsOne page of the most searched keywords in a store, optionally for an App Store category id (e.g.Reads text others writeNo findings
Why it is in this group
- The name "get_most_searched_keywords" says "get": a word for reading.
What it can reach
- untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
Description, as the server wrote it
One page of the most searched keywords in a store, optionally for an App Store category id (e.g. 6013). Check `month`: data can be from an earlier month. Counts toward the research quota.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
get_usageCurrent plan, tracked apps, keywords and research calls in the current quota period (free: month, pro: day).No findings
Why it is in this group
- The name "get_usage" says "get": a word for reading.
Description, as the server wrote it
Current plan, tracked apps, keywords and research calls in the current quota period (free: month, pro: day). A null limit means unlimited.
Annotations the server declares
- readOnlyHint: true
list_appsTracked apps of the user.No findings
Why it is in this group
- The name "list_apps" says "list": a word for reading.
Description, as the server wrote it
Tracked apps of the user.
Annotations the server declares
- readOnlyHint: true
search_app_storeLive App Store search for a keyword.Reads text others writeNo findings
Why it is in this group
- The name "search_app_store" says "search": a word for reading.
What it can reach
- untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
Description, as the server wrote it
Live App Store search for a keyword. Returns ranked apps and difficulty; with appStoreId also that app's ranking (null = not in the returned results). Counts toward the research quota.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Exfil surface

Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.

No private-data, untrusted-input, outbound path in this server alone: no tool is tagged private-data or outbound.

Reads private data0: Reads files, mail, messages, databases, secrets, calendars or repositories.
Reads text others write6: Brings in text someone else can write: web pages, inbound email, messages, issues and comments.; get_app_details
get_competitor_keywords
get_keyword_popularity
get_keyword_suggestions
get_most_searched_keywords
search_app_store
Can send data out0: Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.

Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.

Findings

Matches of fixed checks, with the text they matched.

No check matched anything in these tool definitions. That is not a safety guarantee.

History

Changes to its tool definitions and to its remote endpoint, newest first.

No change seen yet. Its tools are rescanned every day, and a remote endpoint is looked at once a week.

All changes to this server

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http aso https://dekadans.net/mcp --header 'Authorization: <your-authorization>'

claude mcp add --transport http aso https://dekadans.net/mcp --header 'Authorization: <your-authorization>'

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change or a way out, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json

{
  "permissions": {
    "allow": [
      "mcp__aso__list_apps",
      "mcp__aso__get_app_keywords",
      "mcp__aso__get_keyword_history",
      "mcp__aso__get_usage",
      "mcp__aso__search_app_store",
      "mcp__aso__get_keyword_popularity",
      "mcp__aso__get_keyword_suggestions",
      "mcp__aso__get_most_searched_keywords",
      "mcp__aso__get_competitor_keywords",
      "mcp__aso__get_app_details"
    ],
    "ask": [
      "mcp__aso__add_app",
      "mcp__aso__add_keywords",
      "mcp__aso__refresh_app_keywords"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as aso. Review it before you use it.

Capability tags behind 6 rules

mcp__aso__search_app_store untrusted-input
mcp__aso__get_keyword_popularity untrusted-input
mcp__aso__get_keyword_suggestions untrusted-input
mcp__aso__get_most_searched_keywords untrusted-input
mcp__aso__get_competitor_keywords untrusted-input
mcp__aso__get_app_details untrusted-input

Keep the decision: fail CI when the tools change, follow every change, or show a badge.

Pin in CI

Fail a build when the tools you reviewed are not the tools the server serves today.

curl -s "https://anlyon.dev/api/v1/servers/net.dekadans/aso/verify?hash=85746d7ae069ee844bbeade596149ace90c501b5871291469d4dd491f72bf4db" | jq -e '.changed == false'

Pinned hash 85746d7ae069, from Oct 25, 2026, 00:17 UTC.

Watch

Get told when its tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/net.dekadans/aso/changes.xml

An Atom feed. Works in any feed reader or Slack's RSS app.

Badge

[![anlyon.dev](https://anlyon.dev/badge/net.dekadans/aso.svg)](https://anlyon.dev/servers/net.dekadans/aso)

Source: MCP Registry. Synced Oct 25, 2026, 00:17 UTC.