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Get an app's competitors

apps_get_competitors
Read-onlyIdempotent

Apps that compete with one app for the same store searches, with how many searches they share and how strongly each ranks.

Use when: "who competes with our app in the App Store", "which apps take our store searches", building a competitor set for an app. Not for: business competitors on the web, use seo_get_serp_competitors. The keywords two apps share, use apps_get_shared_keywords. Returns: List. rows[]: app_id, shared_keywords, avg_position, keywords (every store search it ranks for), top_3, keywords_volume. Ids only: call apps_get_app for a name. The app itself is left out. United States and English only. Cost: 5 + 5 per 100 rows. Default 100 rows = 10 credits. Cached 7 days. Example: {"store": "app_store", "app_id": "618783545", "limit": 20}

Input Schema

NameRequiredDescriptionDefault
limitNoMax rows. Default 100, cap 1000.
storeYesgoogle_play or app_store.
app_idYesGoogle Play package name (com.Slack, case as in the store URL) or the App Store number (618783545).
cursorNoFrom meta.cursor of the previous page.
dry_runNoReturn only meta with the estimate. Costs nothing.
max_creditsNoRefuse with BudgetExceeded if the estimate is higher.

Output Schema

NameRequiredDescriptionDefault
metaYes
rowsNo
errorNo
hintsYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / properties / meta / properties / credits_remaining / description
      Previous value: -"The workspace's credits left after this call. null when the call did not check the balance (free tools, cache hits, dry runs, tasks) or the balance has no limit."New value: +"The workspace's credits left after this call. null when the call did not check the balance (free tools, cache hits, dry runs, tasks) or the balance has no limit. Leaves out credits held for calls still running, so it can dip during parallel calls and come back; credits_charged is what this call cost."
  2. Changed1 schema field changed
    • addedOutput schema / properties / meta / properties / feedback_request
      Added value: +{
      +  "additionalProperties": false,
      +  "description": "Once per workspace: after the task, ask the user once for feedback and send any answer with submit_feedback.",
      +  "properties": {
      +    "message": {
      +      "type": "string"
      +    }
      +  },
      +  "required": [
      +    "message"
      +  ],
      +  "type": "object"
      +}
  3. Changed1 schema field changed
    • changedOutput schema / properties / meta / properties / credits_notice / description
      Previous value: -"A free workspace is low on credits, at most once a day. Tell the user once."New value: +"The workspace is low on credits, at most once a day. Tell the user once."
  4. Changed18 schema fields changed
    • removedInput schema / $schema
      Removed value: -"https://json-schema.org/draft/2020-12/schema"
    • removedInput schema / properties / max_credits / maximum
      Removed value: -9007199254740991
    • removedInput schema / properties / provider
      Removed value: -{
      -  "description": "Provider id. Defaults to the server default for the tool.",
      -  "type": "string"
      -}
    • removedOutput schema / $schema
      Removed value: -"https://json-schema.org/draft/2020-12/schema"
    • addedOutput schema / properties / error / additionalProperties
      Added value: +{}
    • removedOutput schema / properties / error / oneOf
      Removed value: -[
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "error": {
      -        "const": "BudgetExceeded",
      -        "type": "string"
      -      },
      -      "est_credits": {
      -        "type": "number"
      -      },
      -      "max_credits": {
      -        "type": "number"
      -      },
      -      "message": {
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "est_credits",
      -      "max_credits",
      -      "message"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "billing_url": {
      -        "type": "string"
      -      },
      -      "error": {
      -        "const": "InsufficientCredits",
      -        "type": "string"
      -      },
      -      "est_credits": {
      -        "type": "number"
      -      },
      -      "message": {
      -        "type": "string"
      -      },
      -      "upgrade_url": {
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "est_credits",
      -      "message"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "error": {
      -        "const": "NoData",
      -        "type": "string"
      -      },
      -      "message": {
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "message"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "error": {
      -        "const": "InvalidTarget",
      -        "type": "string"
      -      },
      -      "message": {
      -        "type": "string"
      -      },
      -      "target": {
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "target",
      -      "message"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "error": {
      -        "const": "InvalidProvider",
      -        "type": "string"
      -      },
      -      "message": {
      -        "type": "string"
      -      },
      -      "provider": {
      -        "type": "string"
      -      },
      -      "valid_providers": {
      -        "items": {
      -          "type": "string"
      -        },
      -        "type": "array"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "provider",
      -      "valid_providers",
      -      "message"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "error": {
      -        "const": "ProviderUnavailable",
      -        "type": "string"
      -      },
      -      "message": {
      -        "type": "string"
      -      },
      -      "provider": {
      -        "type": "string"
      -      },
      -      "retry_after_s": {
      -        "type": "number"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "provider",
      -      "retry_after_s",
      -      "message"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "error": {
      -        "const": "ConcurrencyLimit",
      -        "type": "string"
      -      },
      -      "limit": {
      -        "type": "number"
      -      },
      -      "message": {
      -        "type": "string"
      -      },
      -      "retry_after_s": {
      -        "type": "number"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "limit",
      -      "retry_after_s",
      -      "message"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "cap": {
      -        "type": "number"
      -      },
      -      "error": {
      -        "const": "SpendCapReached",
      -        "type": "string"
      -      },
      -      "est_credits": {
      -        "type": "number"
      -      },
      -      "message": {
      -        "type": "string"
      -      },
      -      "period": {
      -        "enum": [
      -          "day",
      -          "month"
      -        ],
      -        "type": "string"
      -      },
      -      "resets_at": {
      -        "type": "string"
      -      },
      -      "spent": {
      -        "type": "number"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "period",
      -      "cap",
      -      "spent",
      -      "est_credits",
      -      "resets_at",
      -      "message"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "error": {
      -        "const": "TaskFailed",
      -        "type": "string"
      -      },
      -      "message": {
      -        "type": "string"
      -      },
      -      "task_id": {
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "task_id",
      -      "message"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "error": {
      -        "const": "TaskPending",
      -        "type": "string"
      -      },
      -      "message": {
      -        "type": "string"
      -      },
      -      "poll_after_s": {
      -        "type": "number"
      -      },
      -      "task_id": {
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "task_id",
      -      "poll_after_s",
      -      "message"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "connect_url": {
      -        "type": "string"
      -      },
      -      "engine": {
      -        "type": "string"
      -      },
      -      "error": {
      -        "const": "NotConnected",
      -        "type": "string"
      -      },
      -      "message": {
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "engine",
      -      "connect_url",
      -      "message"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "engine": {
      -        "type": "string"
      -      },
      -      "error": {
      -        "const": "EngineMisconfigured",
      -        "type": "string"
      -      },
      -      "message": {
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "engine",
      -      "message"
      -    ],
      -    "type": "object"
      -  }
      -]
    • addedOutput schema / properties / error / properties
      Added value: +{
      +  "error": {
      +    "enum": [
      +      "BudgetExceeded",
      +      "InsufficientCredits",
      +      "NoData",
      +      "InvalidTarget",
      +      "InvalidProvider",
      +      "ProviderUnavailable",
      +      "ConcurrencyLimit",
      +      "SpendCapReached",
      +      "TaskFailed",
      +      "TaskPending",
      +      "NotConnected",
      +      "EngineMisconfigured"
      +    ],
      +    "type": "string"
      +  },
      +  "message": {
      +    "type": "string"
      +  }
      +}
    • addedOutput schema / properties / error / required
      Added value: +[
      +  "error",
      +  "message"
      +]
    • addedOutput schema / properties / error / type
      Added value: +"object"
    • removedOutput schema / properties / errors
      Removed value: -{
      -  "description": "Per-input failures of a batch call.",
      -  "items": {
      -    "additionalProperties": false,
      -    "properties": {
      -      "error": {
      -        "oneOf": [
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "error": {
      -                "const": "BudgetExceeded",
      -                "type": "string"
      -              },
      -              "est_credits": {
      -                "type": "number"
      -              },
      -              "max_credits": {
      -                "type": "number"
      -              },
      -              "message": {
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "est_credits",
      -              "max_credits",
      -              "message"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "billing_url": {
      -                "type": "string"
      -              },
      -              "error": {
      -                "const": "InsufficientCredits",
      -                "type": "string"
      -              },
      -              "est_credits": {
      -                "type": "number"
      -              },
      -              "message": {
      -                "type": "string"
      -              },
      -              "upgrade_url": {
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "est_credits",
      -              "message"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "error": {
      -                "const": "NoData",
      -                "type": "string"
      -              },
      -              "message": {
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "message"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "error": {
      -                "const": "InvalidTarget",
      -                "type": "string"
      -              },
      -              "message": {
      -                "type": "string"
      -              },
      -              "target": {
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "target",
      -              "message"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "error": {
      -                "const": "InvalidProvider",
      -                "type": "string"
      -              },
      -              "message": {
      -                "type": "string"
      -              },
      -              "provider": {
      -                "type": "string"
      -              },
      -              "valid_providers": {
      -                "items": {
      -                  "type": "string"
      -                },
      -                "type": "array"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "provider",
      -              "valid_providers",
      -              "message"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "error": {
      -                "const": "ProviderUnavailable",
      -                "type": "string"
      -              },
      -              "message": {
      -                "type": "string"
      -              },
      -              "provider": {
      -                "type": "string"
      -              },
      -              "retry_after_s": {
      -                "type": "number"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "provider",
      -              "retry_after_s",
      -              "message"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "error": {
      -                "const": "ConcurrencyLimit",
      -                "type": "string"
      -              },
      -              "limit": {
      -                "type": "number"
      -              },
      -              "message": {
      -                "type": "string"
      -              },
      -              "retry_after_s": {
      -                "type": "number"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "limit",
      -              "retry_after_s",
      -              "message"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "cap": {
      -                "type": "number"
      -              },
      -              "error": {
      -                "const": "SpendCapReached",
      -                "type": "string"
      -              },
      -              "est_credits": {
      -                "type": "number"
      -              },
      -              "message": {
      -                "type": "string"
      -              },
      -              "period": {
      -                "enum": [
      -                  "day",
      -                  "month"
      -                ],
      -                "type": "string"
      -              },
      -              "resets_at": {
      -                "type": "string"
      -              },
      -              "spent": {
      -                "type": "number"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "period",
      -              "cap",
      -              "spent",
      -              "est_credits",
      -              "resets_at",
      -              "message"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "error": {
      -                "const": "TaskFailed",
      -                "type": "string"
      -              },
      -              "message": {
      -                "type": "string"
      -              },
      -              "task_id": {
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "task_id",
      -              "message"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "error": {
      -                "const": "TaskPending",
      -                "type": "string"
      -              },
      -              "message": {
      -                "type": "string"
      -              },
      -              "poll_after_s": {
      -                "type": "number"
      -              },
      -              "task_id": {
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "task_id",
      -              "poll_after_s",
      -              "message"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "connect_url": {
      -                "type": "string"
      -              },
      -              "engine": {
      -                "type": "string"
      -              },
      -              "error": {
      -                "const": "NotConnected",
      -                "type": "string"
      -              },
      -              "message": {
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "engine",
      -              "connect_url",
      -              "message"
      -            ],
      -            "type": "object"
      -          },
      -          {
      -            "additionalProperties": false,
      -            "properties": {
      -              "engine": {
      -                "type": "string"
      -              },
      -              "error": {
      -                "const": "EngineMisconfigured",
      -                "type": "string"
      -              },
      -              "message": {
      -                "type": "string"
      -              }
      -            },
      -            "required": [
      -              "error",
      -              "engine",
      -              "message"
      -            ],
      -            "type": "object"
      -          }
      -        ]
      -      },
      -      "input": {
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "input",
      -      "error"
      -    ],
      -    "type": "object"
      -  },
      -  "type": "array"
      -}
    • changedOutput schema / properties / meta / properties / rows_available / anyOf
      Previous value: -[
      -  {
      -    "maximum": 9007199254740991,
      -    "minimum": -9007199254740991,
      -    "type": "integer"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "type": "integer"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • removedOutput schema / properties / meta / properties / rows_returned / maximum
      Removed value: -9007199254740991
    • removedOutput schema / properties / meta / properties / rows_returned / minimum
      Removed value: --9007199254740991
    • changedOutput schema / properties / rows / items / properties / keywords / anyOf
      Previous value: -[
      -  {
      -    "maximum": 9007199254740991,
      -    "minimum": -9007199254740991,
      -    "type": "integer"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "type": "integer"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • changedOutput schema / properties / rows / items / properties / keywords_volume / anyOf
      Previous value: -[
      -  {
      -    "maximum": 9007199254740991,
      -    "minimum": -9007199254740991,
      -    "type": "integer"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "type": "integer"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • removedOutput schema / properties / rows / items / properties / shared_keywords / maximum
      Removed value: -9007199254740991
    • removedOutput schema / properties / rows / items / properties / shared_keywords / minimum
      Removed value: --9007199254740991
    • changedOutput schema / properties / rows / items / properties / top_3 / anyOf
      Previous value: -[
      -  {
      -    "maximum": 9007199254740991,
      -    "minimum": -9007199254740991,
      -    "type": "integer"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "type": "integer"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
  5. Changed3 schema fields changed
    • addedOutput schema / properties / meta / properties / credits_notice
      Added value: +{
      +  "additionalProperties": false,
      +  "description": "A free workspace is low on credits, at most once a day. Tell the user once.",
      +  "properties": {
      +    "message": {
      +      "type": "string"
      +    },
      +    "resets_at": {
      +      "type": [
      +        "string",
      +        "null"
      +      ]
      +    },
      +    "upgrade_url": {
      +      "type": "string"
      +    }
      +  },
      +  "required": [
      +    "upgrade_url",
      +    "resets_at",
      +    "message"
      +  ],
      +  "type": "object"
      +}
    • addedOutput schema / properties / meta / properties / credits_remaining
      Added value: +{
      +  "description": "The workspace's credits left after this call. null when the call did not check the balance (free tools, cache hits, dry runs, tasks) or the balance has no limit.",
      +  "type": [
      +    "number",
      +    "null"
      +  ]
      +}
    • changedOutput schema / properties / meta / required
      Previous value: -[
      -  "provider",
      -  "credits_charged",
      -  "est_credits",
      -  "cached",
      -  "data_as_of",
      -  "rows_returned",
      -  "rows_available",
      -  "cursor",
      -  "request_id"
      -]New value: +[
      +  "provider",
      +  "credits_charged",
      +  "est_credits",
      +  "cached",
      +  "data_as_of",
      +  "rows_returned",
      +  "rows_available",
      +  "cursor",
      +  "request_id",
      +  "credits_remaining"
      +]
  6. Added

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already mark it read-only, idempotent and non-destructive, but the description adds what they cannot: a credit formula (5 + 5 per 100 rows, default 10 credits), 7-day caching, a US/English-only data restriction, that the queried app is excluded from results, and that rows carry ids only. Those are exactly the facts that change how an agent plans a call.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Labeled sections (Use when / Not for / Returns / Cost / Example) make it scannable and front-loaded with purpose. The opening sentence is dense and the Returns line is a run-on field dump, so a little trimming is possible, but almost every clause carries information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

An output schema exists, yet the description still supplies the things it doesn't cover: cost, caching, geographic/language coverage, id-only rows and the apps_get_app follow-up, plus a dry_run path. For a 6-parameter paid tool, nothing an agent needs in order to call correctly is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the baseline is 3, but the worked example pins down the enum value and id format in combination and makes the limit-to-cost tradeoff concrete ('limit': 20). It stops short of explaining cursor paging or max_credits interplay beyond what the schema already says.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource plus the ranking basis: 'Apps that compete with one app for the same store searches, with how many searches they share and how strongly each ranks.' It also explicitly separates itself from apps_get_shared_keywords and seo_get_serp_competitors, so an agent can pick it without opening a schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Has an explicit 'Use when' block with three natural-language triggers and a 'Not for' block naming both the web-SEO alternative (seo_get_serp_competitors) and the near-sibling (apps_get_shared_keywords) with the condition that selects each.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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