# AppTail – ASO & Keyword Research (io.apptail/apptail): tool descriptions scored

- tools/list taken: 2026-11-02 (UTC)
- From: [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.apptail%2Fapptail/versions/latest)
- Connected to: https://mcp.apptail.io/mcp
- Homepage: https://apptail.io/mcp
- Scoring rules: v2
- Tools: 25
- Average: 67.0 / 100 (Cloudy)
- Near-identical pairs: 0

This page shows how AppTail – ASO & Keyword Research (io.apptail/apptail)'s tool descriptions scored, the issues found and the names of its tools and parameters. The descriptions are the server's own: read them where the copy came from.

Forecall asked the URL this server lists in the official MCP Registry for its tools/list once, on the date above, without calling any tool. The server may have changed since.

## Across the server

- Minor: The server's instructions are 14074 characters. Claude Code reads only the first 2,048 by default (Codex 0.154.0 reads them whole). Put what the server is for first.

## Tools

- `get_top_charts`: 54 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
- `list_markets`: 58 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
- `remove_market`: 58 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Required identifiers whose description does not say where the value comes from: market_id. Name the tool or the place that returns it, or models look it up first.
- `remove_keywords`: 61 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Required identifiers whose description does not say where the value comes from: app_id. Name the tool or the place that returns it, or models look it up first.
- `get_account`: 62 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
- `get_keyword_serp`: 62 / 100
  - Minor: No `required` list, so every argument is optional.
- `get_market`: 62 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
- `add_app`: 63 / 100
- `explain_period`: 63 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
- `get_keywords`: 63 / 100
  - Minor: No `required` list, so every argument is optional.
- `get_signals`: 63 / 100
  - Minor: No `required` list, so every argument is optional.
- `get_reviews`: 65 / 100
  - Minor: Required identifiers whose description does not say where the value comes from: app_id. Name the tool or the place that returns it, or models look it up first.
- `get_competitors`: 68 / 100
  - Minor: Required identifiers whose description does not say where the value comes from: app_id. Name the tool or the place that returns it, or models look it up first.
- `get_landscape`: 68 / 100
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Required identifiers whose description does not say where the value comes from: app_id. Name the tool or the place that returns it, or models look it up first.
- `get_performance`: 68 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
- `search_apps`: 68 / 100
- `get_app`: 70 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Required identifiers whose description does not say where the value comes from: app_id. Name the tool or the place that returns it, or models look it up first.
- `tag_keywords`: 70 / 100
  - Minor: Required identifiers whose description does not say where the value comes from: app_id. Name the tool or the place that returns it, or models look it up first.
- `add_competitors`: 73 / 100
  - Minor: Required identifiers whose description does not say where the value comes from: app_id. Name the tool or the place that returns it, or models look it up first.
- `remove_competitors`: 73 / 100
  - Minor: Required identifiers whose description does not say where the value comes from: app_id. Name the tool or the place that returns it, or models look it up first.
- `reply_to_reviews`: 73 / 100
- `save_market`: 73 / 100
- `discover_keywords`: 75 / 100
- `add_keywords`: 76 / 100
- `edit_market_corpus`: 85 / 100
  - Minor: Required identifiers whose description does not say where the value comes from: market_id. Name the tool or the place that returns it, or models look it up first.

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