Sonar MCP Server

by trysonar Your server? Claim it

answering

Sonar is answering right now. Last checked 9 min ago. 390 installs a week from npm. It exposes 52 tools. Last commit 17 Aug 2026.

ASO tools for AI agents: keyword research, rank tracking, competitor analysis (iOS & Android).

Installs per day peak 225 · avg 52 · +210% w/w

a month agotoday

Uptime history 32 days of history · worst day 99%

32 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

521 ms

Response time

average over 24h

390

Installs / week

npm and PyPI

What changed 38

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 19 August 2026. No other catalogue keeps this.

15 Sep a tool description was rewritten sonar_app_rankings

15 Sep a tool changed version

13 Sep a tool changed the parameters it asks for sonar_app_reviews

11 Sep 23 tool descriptions were rewritten sonar_add_screenshot, sonar_analyze_competitors, sonar_create_product and 20 more

11 Sep a tool disappeared sonar_export_screenshots

11 Sep a tool changed version

5 Sep a tool description was rewritten sonar_keyword_metrics

23 Aug a tool description was rewritten sonar_top_charts

23 Aug a tool changed the parameters it asks for sonar_top_charts

19 Aug 6 tools appeared sonar_alert_events, sonar_app_overview, sonar_discovered_keywords and 3 more

and 1 more, back to 19 August 2026

Tools have disappeared from this server

A tool that vanishes takes a piece of your agent with it, and the change arrives silently. Watch this server and every such change lands in your inbox.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add sonar --transport http https://trysonar.app/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "sonar": {
      "url": "https://trysonar.app/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.sonar]
url = "https://trysonar.app/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "sonar": {
      "url": "https://trysonar.app/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "sonar": {
      "url": "https://trysonar.app/mcp"
    }
  }
}

This one needs environment variables set before it will start: SONAR_API_KEY (Your Sonar API key (aso_...). Create one at https://trysonar.app), SONAR_API_URL (API base URL. Defaults to https://trysonar.app.). The author declared them in the registry entry; get the values from the project itself.

Available tools 52

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

sonar

sonar_add_screenshot

Append a screen to a screenshot set (at the end; reorder with sonar_update_screenshot_set). Requires an authorized Sonar account or a write-scope API key.

sonar_alert_events

The detected alert events for your workspace, newest first — the same feed as the in-app Recent Alerts panel and the email digest: rank drops/gains, top-10 entries/exits, new rankings, rating drops, review spikes, and competitor changes, each with a type-specific payload (app/keyword names, old vs new values). Events only exist for alert types you've enabled rules for (sonar_set_alert); detection runs once daily. Poll with `since` to react to changes programmatically. Requires an Indie plan (trial counts).

sonar_analyze_competitors

WRITE tool — generates a fresh AI competitive insight for one of your own apps: clusters the keyword gaps vs your competitors into named opportunity themes (with a why-now narrative and per-keyword metrics), writes threat narratives for competitors climbing on your keywords, and diffs against the previous analysis. At most one analysis per app per 7 days (429 with the next available time while in cooldown — use sonar_competitor_landscape to read the current one). Requires a paid (non-trial) Indie plan and an authorized Sonar account or an API key with the write scope.

sonar_app_aso_score

Calculate an ASO (App Store Optimization) audit score (0-100) for an app. Returns the overall score plus an itemized breakdown of checks (title length, keyword usage, screenshots, ratings, etc.) so you can identify what to improve. Works without an API key (free tier, limited daily use per IP).

sonar_app_changes

Change history for a tracked app — detected releases, metadata edits, screenshot swaps, price changes, and category moves, newest first. Useful for correlating rank movements with what the app (or a competitor) changed. Requires an Indie plan (trial counts).

sonar_app_extract_keywords

Extract the most likely target keywords from an app's title and description, ranked by relevance. Useful for understanding what an app (yours or a competitor) is optimizing for. Works without an API key (free tier, limited daily use per IP).

sonar_app_keywords

List the keywords tracked for an app in the caller's Sonar workspace, with latest difficulty, popularity, results count, note, and starred_at (favorite/target marker) per keyword. Returns the tracked-keyword ids used by sonar_update_keyword_note and sonar_star_keyword, and the keyword_ids used by sonar_keyword_rankings. Cursor-paginated (default 50 per page). Requires an Indie plan (trial counts).

sonar_app_lookup

Look up a single app by its store ID. Returns app metadata including name, developer, category, rating, reviews, installs (Android), and price. Works without an API key (free tier, limited daily use per IP).

sonar_app_overview

The dashboard's computed scoreboard for one of your apps in a single call: visibility index and share of voice (with 7-day deltas and a daily spark), ranked / top-10 keyword counts with movement, best rank, the biggest 7-day improvements and drops, the rank-distribution trend, and the actionable opportunity list (near_page_one / top_three_push / easy_target). Read this FIRST when asked how an app is doing — it's the same numbers the dashboard renders, so you don't need to recompute anything from raw rank history. Requires an Indie plan (trial counts).

sonar_app_rankings

Rank history for an app's tracked keywords — daily ranks over the requested window, one history array per keyword. Prefer observations for daily status: ranked has a numeric rank; not_found means a completed search did not return the app (results_count is the returned search size); not_observed means no confirmed check, including legacy gaps. Never interpret an absent rank as a collection failure or assign a numeric rank to it. The legacy history array contains positive ranks only. Use this to check how rankings moved after a metadata change or to find keywords trending up or down. Cursor-paginated over keywords (default 50 per page). Requires an Indie plan (trial counts).

sonar_app_revenue

Estimate monthly revenue for an app, based on install counts, ratings, and category benchmarks. Returns the dollar estimate, a confidence grade (high/medium/low) with the factors behind it, and the methodology used — always communicate the confidence alongside the number.

sonar_app_reviews

Fetch user reviews for an app. Supports filtering by star rating range and sorting by recent or helpful. Useful for sentiment analysis, feature-request mining, and competitive research.

sonar_app_search

Search apps in the App Store or Google Play by keyword. Returns ranked list of apps with metadata (results are returned in store ranking order). Works without an API key (free tier, limited daily use per IP).

sonar_competitor_keywords

Keywords a tracked competitor currently ranks for (last 7 days of SERP data), with difficulty and popularity per keyword. Pass own_app_id for gap analysis: keywords where the competitor ranks but your app doesn't are marked gap=missing. Cursor-paginated (default 50 per page). Requires an Indie plan (trial counts).

sonar_competitor_landscape

The full competitive keyword picture for one of your own apps vs every tracked competitor, in one call: live stats (keyword gaps where competitors rank and you don't, winnable gaps, competitors climbing on your tracked keywords, keywords you lead), the top gap/threat/lead rows with metrics, and the latest AI insight if one was generated (opportunity clusters, threat narratives, strengths, posture). Read this before deciding which keywords to target next. Requires an Indie plan (trial counts).

sonar_create_product

WRITE tool — creates a product in the caller's Sonar workspace and starts tracking the given app(s). A product is the cross-store unit (one iOS + one Android app, or just one of either). Returns the product id and the Sonar app ids needed by sonar_track_keywords and sonar_track_competitor. Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_create_screenshot_set

Create an app-store screenshot set for a product. Read sonar_screenshot_layout_guide first, then author the screens array. The set is immediately visible/editable for humans in the Screenshot Studio (studio_url in the response). Requires an authorized Sonar account or a write-scope API key.

sonar_delete_alert

WRITE tool — delete an alert subscription in the caller's Sonar workspace. Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_delete_product

WRITE tool — delete a product and untrack its apps in the caller's Sonar workspace. Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_delete_screenshot

Delete one screen from a screenshot set. A set keeps at least one screen — deleting the last one is rejected. Requires an authorized Sonar account or a write-scope API key.

sonar_delete_screenshot_set

Permanently delete a screenshot set and everything in it (screens, translations). Irreversible — confirm with the user before deleting work they may want. Requires an authorized Sonar account or a write-scope API key.

sonar_delete_tracked_keyword

WRITE tool — stop tracking one keyword/app pair in the caller's Sonar workspace. Identify the pair by its tracked-keyword id (from sonar_app_keywords). Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_discovered_keywords

Keywords Sonar's discovery engine surfaced for one of your tracked apps but that aren't tracked yet — ranked finds (the app already ranks, unnoticed), competitor gaps, and AI/autocomplete-sourced ideas — each with popularity, difficulty, AI relevance, and an opportunity score (0-100, best first). This is Sonar's "what should I track next" answer: read it, pick the winners, then track them with sonar_track_keywords. Requires an Indie plan (trial counts).

sonar_generate_review_insights

WRITE tool — generates a fresh AI review analysis for a tracked app from its recent reviews (praise/complaint themes, sentiment, feature requests, trend vs the previous run). At most one analysis per app+country every 90 days (429 with the next available time while in cooldown — use sonar_review_insights to read the current one); needs at least 5 recent reviews. Requires a paid (non-trial) Indie plan and an authorized Sonar account or an API key with the write scope.

sonar_get_app

Get full details for one tracked app in the caller's Sonar workspace: store metadata plus up to 90 daily snapshots of rating, review count, version, and installs. Requires an Indie plan (trial counts).

sonar_get_screenshot_set

Fetch a screenshot set in full: every screen's layout JSON plus per-screen translation overrides keyed by locale. By default inline image data is replaced with placeholders to keep the response readable.

sonar_keyword_metrics

Difficulty + popularity for a specific keyword (or up to 25 in bulk). Use this when you already know which keywords you care about — costs 1 credit per keyword. Works without an API key for up to 5 keywords/day (free tier, per IP); an API key removes that cap. Use sonar_keyword_search instead when you want related keyword ideas alongside metrics. A keyword the API cannot compute right away comes back as `pending` (queued on the scrape fleet, not charged) — this tool already waits and re-checks briefly; if it is still pending, call again after `retry_after_seconds`.

sonar_keyword_rankings

SERP history for one tracked keyword — which apps ranked in the top results on each measured day, newest first. Use this to see who competes on a keyword and how the top spots shifted over time. The keyword must be tracked in the caller's Sonar workspace. Requires an Indie plan (trial counts).

sonar_keyword_search

Research a keyword and related terms. Returns difficulty (0-100), popularity score, and results count for the seed keyword plus related autocomplete suggestions. Use this to find keywords worth targeting.

sonar_keyword_suggestions

Get autocomplete suggestions for a seed keyword from the App Store or Google Play. Returns terms with a priority score (higher = more searched). Lighter and faster than sonar_keyword_search — use when you only need term ideas without difficulty/popularity scoring. Works without an API key (free tier, limited daily use per IP).

sonar_list_alerts

List your alert subscriptions — each rule defines a change type (rank drops, review spikes, etc.), its scope (a specific app or org-wide), threshold, and whether it's enabled. Requires an Indie plan (trial counts).

sonar_list_apps

List the apps tracked in the caller's Sonar workspace (own apps + competitors), each with its latest snapshot (rating, review count, version, installs). Returns the Sonar app UUIDs needed by sonar_get_app, sonar_app_keywords, sonar_app_rankings, and sonar_app_changes. Cursor-paginated (default 100 per page). Requires an Indie plan (trial counts).

sonar_list_products

List your products with their linked store versions and competitor counts. Use it to discover product/app UUIDs. Requires an Indie plan (trial counts).

sonar_list_screenshot_sets

List a product's app-store screenshot sets (metadata only: store, device size, locales, studio_url). Use sonar_get_screenshot_set for full layouts.

sonar_portfolio

The whole portfolio's health in one call — for orgs managing many apps: per-app KPIs (visibility + 7-day delta, ranked/top-10 counts, net rank movement, rating, review count), org-wide totals, the biggest keyword movers in both directions, a needs-attention triage list (visibility drops, rating drops, not-ranked apps), and the best discovered-keyword opportunities across all apps. Same numbers as the /portfolio page. Requires an Agency plan (403 on other plans).

sonar_remove_competitor

WRITE tool — remove a competitor from a product in the caller's Sonar workspace. Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_review_insights

The latest AI review analysis for a tracked app (your own or a competitor): what users praise and complain about as named themes with frequency, verbatim quotes, and trend movement (new / persisting / growing / improving / resolved), plus overall sentiment, surfaced feature requests, and what changed vs the previous analysis. `insight` is null if none has been generated yet — use sonar_generate_review_insights. Requires an Indie plan (trial counts).

sonar_scan_competitor

WRITE tool — runs an AI keyword discovery scan on a tracked competitor: generates the search terms the competitor's listing is optimized for (brand terms included), queues them for SERP verification, and verifies the first batch inline (~30s), recording both apps' ranks. Returns generated/queued/verified_now counts; the rest verify in the background over the following hours — read results with sonar_competitor_keywords. Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_screenshot_devices

List the device sizes supported for app-store screenshot sets, with their canvas dimensions (the pixel coordinate space all layouts use) and which store each belongs to. Pick a device here before sonar_create_screenshot_set.

sonar_screenshot_layout_guide

The layout-format reference for Sonar screenshot sets. Call this ONCE before creating or editing screenshot layouts — it documents the layout JSON schema, coordinate system, image handling (remote URLs), flowing background shapes, fonts, translation overrides, and the recommended workflow.

sonar_set_alert

WRITE tool — create or update an alert subscription in the caller's Sonar workspace. Upserts on (type + scope): re-submitting the same type/scope updates the existing rule. Omit `threshold` for the per-type default; omit `scope_app_id` for an org-wide rule. Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_set_screenshot_translations

Write a locale's translation overrides for screens in a screenshot set (text copy, localized captures/images). Geometry and styling always come from the source layout; anything not overridden falls back to it. The locale is auto-enabled on the set. Requires an authorized Sonar account or a write-scope API key.

sonar_star_keyword

WRITE tool — stars or unstars a tracked keyword in the caller's Sonar workspace. A star marks the keyword as a favorite/target the user is actively pursuing; starred keywords carry a starred_at timestamp in sonar_app_keywords results. Idempotent: re-starring refreshes the timestamp, unstarring a non-starred keyword is a no-op. Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_top_charts

Get a store top chart (free / paid / grossing, overall or by category) with day-over-day movement: per-app rank delta, apps new to the chart, biggest movers and apps that dropped out. Use to see what's rising in a market or category. Note: summary, movers and droppedApps always describe the full top 200 — `limit` truncates the returned entries only. Movement is empty on the first day a chart is requested (no previous snapshot yet). Works without an API key (free tier, limited daily use per IP).

sonar_track_app

WRITE tool — links the second-store version of an existing Sonar product (e.g. the product already tracks the iOS app and you want to add the Android version, or vice versa). Each product holds at most one iOS + one Android app; to start tracking a brand-new app, use sonar_create_product instead. Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_track_competitor

WRITE tool — adds a competitor app under a Sonar product so its keywords and rankings get tracked alongside the product's own app. The product must already have its own app linked in the same store as the competitor. Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_track_keywords

WRITE tool — starts daily rank tracking for one or more keywords on an app in the caller's Sonar workspace. Idempotent: re-posting the same terms reports them as already_tracked instead of creating duplicates. Returns per-keyword outcomes (created / already_tracked / failed). Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_untrack_app

WRITE tool — untrack an app and its associated tracking data in the caller's Sonar workspace. Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_untrack_keywords

WRITE tool — bulk-untrack keywords for an app in the caller's Sonar workspace. Pass `all: true` to remove every tracked keyword, OR `ids: [...]` to remove specific ones (exactly one of the two). Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_update_keyword_note

WRITE tool — sets or clears the note on a tracked keyword in the caller's Sonar workspace (e.g. why it's tracked, an optimization hypothesis, a reminder). Idempotent: re-sending the same note is a no-op. Requires an Indie plan (trial counts) and an authorized Sonar account or an API key with the write scope.

sonar_update_screenshot

Replace one screen's layout in a screenshot set. Whole-document replace — fetch the current layout, modify it, send it back. The change shows up immediately in the Screenshot Studio for human review. Requires an authorized Sonar account or a write-scope API key.

sonar_update_screenshot_set

Rename a screenshot set, replace its extra-locale list, and/or reorder its screens. Returns the updated set (with image data stripped). Requires an authorized Sonar account or a write-scope API key.

Tools removed

Tools this server used to expose. Anything built against them stopped working on the day they went.

sonar_export_screenshots

removed 11 Sep 2026

Endpoints

URL	Transport	State	Latency	Checked
https://trysonar.app/mcp	streamable-http	answering	556 ms	9 min ago

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Sonar — questions

Answers built from our own checks of this server.

What can Sonar do?

It exposes 52 tools, read directly from the server on our last check. Among them: sonar_add_screenshot, sonar_alert_events, sonar_analyze_competitors, sonar_app_aso_score, sonar_app_changes, sonar_app_extract_keywords and 46 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Sonar working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 521 ms. The bar chart above shows every period we have measured.

Did Sonar ever remove tools?

Yes. sonar_export_screenshots is no longer exposed — we recorded the date each one disappeared. A tool vanishing usually means a breaking change for anything that depended on it.

How do I connect Sonar?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Sonar need an API key?

No. Sonar completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 52 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Sonar?

It answers our handshake in 521 ms on average, which is faster than 27% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

How many people use Sonar?

The npm package @sonarapp/mcp was installed 390 times in the last week. Week over week that is +210%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Sonar open source?

Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.