MCP MeasureMCP Measure

index observed

App Store data for agents

9 App Store endpoints. Pay per call in USDC via x402.

Should I use this

Quality & Safety

A
Description quality
81%
Schema completeness
94%
Naming quality
76%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Findings (9)

  • LOWTool 'appstore_apps' description lacks action verbin appstore_apps
  • LOWTool 'appstore_apps_appId' description lacks action verbin appstore_apps_appId
  • LOWTool 'appstore_apps_similar' description lacks action verbin appstore_apps_similar
  • LOWTool 'appstore_bundles' description lacks action verbin appstore_bundles
  • LOWTool 'appstore_bundles_bundleId' description lacks action verbin appstore_bundles_bundleId
  • LOWTool 'appstore_bundles_similar' description lacks action verbin appstore_bundles_similar
  • LOWTool 'appstore_developers' description lacks action verbin appstore_developers
  • LOWTool 'appstore_apps_appId' doesn't follow camelCase/snake_casein appstore_apps_appId
  • LOWTool 'appstore_bundles_bundleId' doesn't follow camelCase/snake_casein appstore_bundles_bundleId

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~1,423Tokens (tool definitions)
~967 BTypical response size
Moderate attention impact (1.11% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "mcp": {
      "url": "https://appstore.fetcher.sh/mcp"
    }
  }
}

Remote endpoints

https://appstore.fetcher.sh/mcpstreamable-http

What it can do

Tool inventory

Tools (11)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
⚪appstore_apps(term, page, country, lang)

Paid ($0.003). Apps — App Store. Live data as JSON. Pay with x402 or an Authorization: Bearer bby_live_... credits key.

Input Schema

{
  "type": "object",
  "properties": {
    "term": {
      "type": "string",
      "description": "Required."
    },
    "page": {
      "type": "string",
      "description": "Optional."
    },
    "country": {
      "type": "string",
      "description": "Optional."
    },
    "lang": {
      "type": "string",
      "description": "Optional."
    }
  },
  "required": [
    "term"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪appstore_apps_appId(appId, country, lang)

Paid ($0.003). Apps — App Store. Live data as JSON. Pay with x402 or an Authorization: Bearer bby_live_... credits key.

Input Schema

{
  "type": "object",
  "properties": {
    "appId": {
      "type": "string",
      "minLength": 1,
      "description": "Required. Path parameter."
    },
    "country": {
      "type": "string",
      "description": "Optional."
    },
    "lang": {
      "type": "string",
      "description": "Optional."
    }
  },
  "required": [
    "appId"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪appstore_apps_reviews(appId, page, country, sort)

Paid ($0.003). Apps reviews — App Store. Live data as JSON. Pay with x402 or an Authorization: Bearer bby_live_... credits key.

Input Schema

{
  "type": "object",
  "properties": {
    "appId": {
      "type": "string",
      "minLength": 1,
      "description": "Required. Path parameter."
    },
    "page": {
      "type": "string",
      "description": "Optional."
    },
    "country": {
      "type": "string",
      "description": "Optional."
    },
    "sort": {
      "type": "string",
      "enum": [
        "recent",
        "helpful"
      ],
      "description": "Optional. One of: recent, helpful."
    }
  },
  "required": [
    "appId"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪appstore_apps_similar(appId, country, lang)

Paid ($0.003). Apps similar — App Store. Live data as JSON. Pay with x402 or an Authorization: Bearer bby_live_... credits key.

Input Schema

{
  "type": "object",
  "properties": {
    "appId": {
      "type": "string",
      "minLength": 1,
      "description": "Required. Path parameter."
    },
    "country": {
      "type": "string",
      "description": "Optional."
    },
    "lang": {
      "type": "string",
      "description": "Optional."
    }
  },
  "required": [
    "appId"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪appstore_bundles(term, page, country, lang)

Paid ($0.003). Bundles — App Store. Live data as JSON. Pay with x402 or an Authorization: Bearer bby_live_... credits key.

Input Schema

{
  "type": "object",
  "properties": {
    "term": {
      "type": "string",
      "description": "Required."
    },
    "page": {
      "type": "string",
      "description": "Optional."
    },
    "country": {
      "type": "string",
      "description": "Optional."
    },
    "lang": {
      "type": "string",
      "description": "Optional."
    }
  },
  "required": [
    "term"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪appstore_bundles_bundleId(bundleId, country, lang)

Paid ($0.003). Bundles — App Store. Live data as JSON. Pay with x402 or an Authorization: Bearer bby_live_... credits key.

Input Schema

{
  "type": "object",
  "properties": {
    "bundleId": {
      "type": "string",
      "minLength": 1,
      "description": "Required. Path parameter."
    },
    "country": {
      "type": "string",
      "description": "Optional."
    },
    "lang": {
      "type": "string",
      "description": "Optional."
    }
  },
  "required": [
    "bundleId"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪appstore_bundles_reviews(bundleId, page, country, sort)

Paid ($0.003). Bundles reviews — App Store. Live data as JSON. Pay with x402 or an Authorization: Bearer bby_live_... credits key.

Input Schema

{
  "type": "object",
  "properties": {
    "bundleId": {
      "type": "string",
      "minLength": 1,
      "description": "Required. Path parameter."
    },
    "page": {
      "type": "string",
      "description": "Optional."
    },
    "country": {
      "type": "string",
      "description": "Optional."
    },
    "sort": {
      "type": "string",
      "enum": [
        "recent",
        "helpful"
      ],
      "description": "Optional. One of: recent, helpful."
    }
  },
  "required": [
    "bundleId"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪appstore_bundles_similar(bundleId, country, lang)

Paid ($0.003). Bundles similar — App Store. Live data as JSON. Pay with x402 or an Authorization: Bearer bby_live_... credits key.

Input Schema

{
  "type": "object",
  "properties": {
    "bundleId": {
      "type": "string",
      "minLength": 1,
      "description": "Required. Path parameter."
    },
    "country": {
      "type": "string",
      "description": "Optional."
    },
    "lang": {
      "type": "string",
      "description": "Optional."
    }
  },
  "required": [
    "bundleId"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪appstore_developers(developerId)

Paid ($0.003). Developers — App Store. Live data as JSON. Pay with x402 or an Authorization: Bearer bby_live_... credits key.

Input Schema

{
  "type": "object",
  "properties": {
    "developerId": {
      "type": "string",
      "minLength": 1,
      "description": "Required. Path parameter."
    }
  },
  "required": [
    "developerId"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢check_balance

Free. Show the remaining credit balance for the API key sent in this connection's Authorization header. Call this before a long run of paid requests.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪topup_credits(amount, rotate)

Paid (the amount you choose, minimum $1). Buy prepaid credits with x402 so later calls skip the per-call payment round trip. With an Authorization: Bearer bby_live_... header on this connection it recharges that key. Without one, the paying wallet becomes the account and a new API key is minted and returned once — store it as a secret, it cannot be recovered.

Input Schema

{
  "type": "object",
  "properties": {
    "amount": {
      "type": "number",
      "minimum": 1,
      "description": "Amount to add, in USD. Minimum 1."
    },
    "rotate": {
      "type": "boolean",
      "description": "Mint a replacement key for the paying wallet, invalidating the old one immediately. Only valid when no Authorization header is sent."
    }
  },
  "required": [
    "amount"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Community

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Evidence

Recent observations

verifiedversion not recorded11 tools
verifiedversion not recorded11 tools