Spytrend

Find related ads

find_similar_ads

Read-only

Find ads related to one source ad by an explicit overlap basis: fanpage (same Facebook page_id) or domain (same exact landing_domain). This is entity overlap, NOT visual similarity of the material; use find_similar_creatives for that. The source ad is excluded from data, but pagination.total remains the upstream overlap-candidate count before that exclusion; source_excluded and total_semantics make this explicit instead of fabricating an adjusted exact total. Metadata only, cursor-paginated. QUOTA: 1 MCP credit per delivered row (default page 20). PRICING: on paid plans ×1 after 500 MCP credits/month; one-time consent via accept_pricing_terms; before calling, get the maximum debit from estimate_cost (free) and tell the user.

Input Schema

Name	Required	Description
`ad_id`	Yes	source ad UUID from search_ads
`basis`	Yes	overlap basis: fanpage (same Facebook page_id) or domain (same exact landing_domain)
`limit`	No	maximum metadata rows (default 20, maximum 200; 1 MCP credit per delivered row)
`cursor`	No	pagination cursor returned by the previous call

Output Schema

Name	Required	Description
`data`	No
`error`	No	Present only when isError is true: machine-readable failure. The human explanation stays in content.
`params`	No	Request parameter echo: applied = parameters that shaped this result; normalized = parameters rewritten before applying (alias, type coercion, resolved id); ignored = parameters that were accepted but NOT applied, with the reason.
`pagination`	No
`addon_hints`	No	Add-on modules that have additional data for objects of this result (no prices, no paid values). subscription_status=active: the account has the module — use its normal path. Do not push a purchase the user did not ask about.
`basis_value`	No
`source_ad_id`	No
`source_excluded`	No
`total_semantics`	No
`similarity_basis`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed7 schema fields changedOct 23, 2026

changedInput schema / properties / limit / description

Previous value: -"maximum metadata rows (default 20, maximum 200; 1 token per delivered row)"New value: +"maximum metadata rows (default 20, maximum 200; 1 MCP credit per delivered row)"

addedOutput schema / properties / addon_hints

Added value: +{
+  "description": "Add-on modules that have additional data for objects of this result (no prices, no paid values). subscription_status=active: the account has the module — use its normal path. Do not push a purchase the user did not ask about.",
+  "items": {
+    "properties": {
+      "available_data_types": {
+        "description": "kinds of data the module confirmedly has for the object",
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "info_url": {
+        "description": "the object (or its limited breakdown) inside the module on spytrend.com",
+        "type": "string"
+      },
+      "module": {
+        "description": "nutra | crypto | web2app | search_arb | startups",
+        "type": "string"
+      },
+      "object_id": {
+        "description": "the ad id, or the site domain for site rows",
+        "type": "string"
+      },
+      "preland_downloadable": {
+        "description": "Nutra / Crypto: the saved pre-lander can be downloaded in the module",
+        "type": "boolean"
+      },
+      "subscription_status": {
+        "description": "active | not_connected",
+        "type": "string"
+      }
+    },
+    "type": "object"
+  },
+  "type": "array"
+}

addedOutput schema / properties / data / items / properties / also_in

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "type": [
+    "null",
+    "array"
+  ]
+}

addedOutput schema / properties / data / items / properties / multilang_black_unresolved
```
Added value: +{
+  "type": [
+    "null",
+    "boolean"
+  ]
+}
```
addedOutput schema / properties / data / items / properties / opening_price / properties / MCP credits
```
Added value: +{
+  "type": [
+    "null",
+    "integer"
+  ]
+}
```
removedOutput schema / properties / data / items / properties / opening_price / properties / tokens
```
Removed value: -{
-  "type": [
-    "null",
-    "integer"
-  ]
-}
```

changedOutput schema / properties / data / items / properties / opening_price / required

Previous value: -[
-  "status",
-  "tokens",
-  "unit",
-  "billing_basis"
-]New value: +[
+  "status",
+  "MCP credits",
+  "unit",
+  "billing_basis"
+]

Changed1 schema field changedOct 8, 2026
- addedOutput schema / properties / data / items / properties / multilang_black_missing
```
Added value: +{
+  "type": [
+    "null",
+    "boolean"
+  ]
+}
```
Changed1 schema field changedOct 3, 2026
- addedOutput schema / properties / data / items / properties / is_cloaked
```
Added value: +{
+  "type": "boolean"
+}
```

Changed3 schema fields changedSep 25, 2026

addedOutput schema / properties / error

Added value: +{
+  "description": "Present only when isError is true: machine-readable failure. The human explanation stays in content.",
+  "properties": {
+    "code": {
+      "description": "fine-grained, stable failure code (e.g. invalid_arguments, backend_busy)",
+      "type": "string"
+    },
+    "kind": {
+      "description": "failure class: invalid_argument, not_found, permission_denied, unauthenticated, quota_exceeded, rate_limited, temporarily_unavailable, unavailable_until_ready, unsupported, internal",
+      "type": "string"
+    },
+    "message": {
+      "description": "the same human text as content[0]",
+      "type": "string"
+    },
+    "outcome": {
+      "description": "activity-feed outcome class",
+      "type": "string"
+    },
+    "param": {
+      "description": "the request parameter the failure is about, when known",
+      "type": "string"
+    },
+    "retry_after_seconds": {
+      "description": "wait this long before retrying",
+      "type": "integer"
+    },
+    "retryable": {
+      "description": "true when repeating the SAME call can succeed (after retry_after_seconds when present)",
+      "type": "boolean"
+    }
+  },
+  "type": "object"
+}

addedOutput schema / properties / params

Added value: +{
+  "description": "Request parameter echo: applied = parameters that shaped this result; normalized = parameters rewritten before applying (alias, type coercion, resolved id); ignored = parameters that were accepted but NOT applied, with the reason.",
+  "properties": {
+    "applied": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "ignored": {
+      "items": {
+        "properties": {
+          "param": {
+            "type": "string"
+          },
+          "reason": {
+            "type": "string"
+          },
+          "to": {
+            "description": "the parameter it was applied as, when renamed",
+            "type": "string"
+          },
+          "value": {
+            "description": "the value actually applied, when rewritten",
+            "type": "string"
+          }
+        },
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "normalized": {
+      "items": {
+        "properties": {
+          "param": {
+            "type": "string"
+          },
+          "reason": {
+            "type": "string"
+          },
+          "to": {
+            "description": "the parameter it was applied as, when renamed",
+            "type": "string"
+          },
+          "value": {
+            "description": "the value actually applied, when rewritten",
+            "type": "string"
+          }
+        },
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "type": "object"
+}

removedOutput schema / required

Removed value: -[
-  "source_ad_id",
-  "similarity_basis",
-  "basis_value",
-  "source_excluded",
-  "total_semantics",
-  "data",
-  "pagination"
-]

Changed1 schema field changedSep 18, 2026

addedOutput schema / properties / data / items / properties / webmasters

Added value: +{
+  "items": {
+    "additionalProperties": false,
+    "properties": {
+      "id": {
+        "type": "string"
+      },
+      "matched_by": {
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "id"
+    ],
+    "type": "object"
+  },
+  "type": [
+    "null",
+    "array"
+  ]
+}

Changed1 schema field changedSep 18, 2026

addedOutput schema / properties / data / items / properties / eu_transparency

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "age_max": {
+      "type": "integer"
+    },
+    "age_min": {
+      "type": "integer"
+    },
+    "beneficiary": {
+      "type": "string"
+    },
+    "breakdown": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "age_range": {
+            "type": "string"
+          },
+          "country": {
+            "type": "string"
+          },
+          "female": {
+            "maximum": 4294967295,
+            "minimum": 0,
+            "type": "integer"
+          },
+          "male": {
+            "maximum": 4294967295,
+            "minimum": 0,
+            "type": "integer"
+          },
+          "unknown": {
+            "maximum": 4294967295,
+            "minimum": 0,
+            "type": "integer"
+          }
+        },
+        "required": [
+          "country",
+          "age_range",
+          "female",
+          "male",
+          "unknown"
+        ],
+        "type": "object"
+      },
+      "type": [
+        "null",
+        "array"
+      ]
+    },
+    "checked_at": {
+      "type": "string"
+    },
+    "eu_total_reach": {
+      "minimum": 0,
+      "type": "integer"
+    },
+    "excluded_locations": {
+      "items": {
+        "type": "string"
+      },
+      "type": [
+        "null",
+        "array"
+      ]
+    },
+    "gender_audience": {
+      "type": "string"
+    },
+    "has_data": {
+      "type": "boolean"
+    },
+    "payer": {
+      "type": "string"
+    },
+    "reach_countries": {
+      "items": {
+        "type": "string"
+      },
+      "type": [
+        "null",
+        "array"
+      ]
+    },
+    "targeted_locations": {
+      "items": {
+        "type": "string"
+      },
+      "type": [
+        "null",
+        "array"
+      ]
+    }
+  },
+  "required": [
+    "has_data",
+    "eu_total_reach"
+  ],
+  "type": [
+    "null",
+    "object"
+  ]
+}

Changed15 schema fields changedSep 10, 2026

addedOutput schema / properties / data / items / properties / creative_destination_domain
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / data / items / properties / creative_destination_url
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / data / items / properties / is_multilang
```
Added value: +{
+  "type": [
+    "null",
+    "boolean"
+  ]
+}
```
addedOutput schema / properties / data / items / properties / media / items / properties / body
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / data / items / properties / media / items / properties / carousel_position
```
Added value: +{
+  "type": [
+    "null",
+    "integer"
+  ]
+}
```
addedOutput schema / properties / data / items / properties / media / items / properties / claimed_domain
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / data / items / properties / media / items / properties / cloaking_detected
```
Added value: +{
+  "type": "boolean"
+}
```

addedOutput schema / properties / data / items / properties / media / items / properties / fallback_urls

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "type": [
+    "null",
+    "array"
+  ]
+}

addedOutput schema / properties / data / items / properties / media / items / properties / is_alive
```
Added value: +{
+  "type": [
+    "null",
+    "boolean"
+  ]
+}
```
addedOutput schema / properties / data / items / properties / media / items / properties / link_url
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / data / items / properties / media / items / properties / title
```
Added value: +{
+  "type": "string"
+}
```

addedOutput schema / properties / data / items / properties / opening_price

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "billing_basis": {
+      "type": "string"
+    },
+    "status": {
+      "type": "string"
+    },
+    "tokens": {
+      "type": [
+        "null",
+        "integer"
+      ]
+    },
+    "unit": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "status",
+    "tokens",
+    "unit",
+    "billing_basis"
+  ],
+  "type": [
+    "null",
+    "object"
+  ]
+}

addedOutput schema / properties / data / items / properties / original_landing_domain
```
Added value: +{
+  "type": "string"
+}
```

addedOutput schema / properties / data / items / properties / primary_creative

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "body": {
+      "type": "string"
+    },
+    "carousel_position": {
+      "type": [
+        "null",
+        "integer"
+      ]
+    },
+    "claimed_domain": {
+      "type": "string"
+    },
+    "cloaking_detected": {
+      "type": "boolean"
+    },
+    "expiring": {
+      "type": "boolean"
+    },
+    "fallback_urls": {
+      "items": {
+        "type": "string"
+      },
+      "type": [
+        "null",
+        "array"
+      ]
+    },
+    "is_alive": {
+      "type": [
+        "null",
+        "boolean"
+      ]
+    },
+    "link_url": {
+      "type": "string"
+    },
+    "media_type": {
+      "type": "string"
+    },
+    "snapshot_url": {
+      "type": "string"
+    },
+    "thumbnail_url": {
+      "type": "string"
+    },
+    "title": {
+      "type": "string"
+    },
+    "url": {
+      "type": "string"
+    }
+  },
+  "type": [
+    "null",
+    "object"
+  ]
+}

addedOutput schema / properties / data / items / properties / primary_creative_selection

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "carousel_position": {
+      "type": [
+        "null",
+        "integer"
+      ]
+    },
+    "reason": {
+      "type": "string"
+    },
+    "status": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "status"
+  ],
+  "type": [
+    "null",
+    "object"
+  ]
+}

First observedSep 2, 2026

TDQS

A4.6/5.0

Behavior5/5

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

Annotations only cover the safety profile (readOnly/openWorld/non-destructive); the description adds quota cost per delivered row, tiered pricing, consent requirement, and a non-obvious pagination caveat. The total-semantics disclosure (total is the upstream candidate count, source ad excluded, source_excluded/total_semantics fields expose that) is exactly the kind of behavior annotations cannot convey.

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?

Front-loaded with purpose and the sibling distinction, then behavioral caveats, then commercial terms — a sensible order. Slightly dense and the fanpage/domain basis is restated a second time, but nearly every clause carries decision-relevant 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?

Output schema exists so return values need not be explained, and the description still covers the one return-value subtlety that would mislead (the unadjusted total). For a paginated, quota-metered read tool with four simple params, nothing an agent needs before calling is missing.

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

Parameters3/5

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

Schema coverage is 100% and already documents ad_id, basis, limit and cursor including the enum meanings, so the description's restatement of the fanpage/domain basis adds little. It does not explain the interaction between limit and credit cost beyond what the schema row says. Baseline 3 is appropriate.

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 ('find ads related to one source ad') plus the exact overlap bases (fanpage page_id, exact landing_domain), and explicitly separates itself from find_similar_creatives ('entity overlap, NOT visual similarity'). An agent can route between the two siblings without opening either 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?

Gives an explicit alternative ('use find_similar_creatives for that'), a pre-call prerequisite chain (estimate_cost for the max debit, accept_pricing_terms for consent, inform the user), and when-not-to-use via the visual-similarity exclusion. This is the full when/when-not/alternatives package.

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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