MaxMind minFraud MCP by usefulapi

Server Details

MCP server for MaxMind minFraud — score transactions for fraud risk from your AI assistant.

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Status: Healthy
Uptime: 81.4% over 58 days
Last Tested: 2026-10-14 01:29
Transport: Streamable HTTP · MCP 2025-06-18
URL
Repository: m190/usefulapi-mcp
GitHub Stars: 0

TDQS

A4.1/5.0

Scored 2026-07-29 04:40 across 4 tools

Disambiguation5/5

Each tool targets a distinct level of fraud analysis (score, insights, factors) plus a separate write operation for feedback. No overlap in purpose.

Naming Consistency5/5

All tools use the consistent 'minfraud_' prefix with descriptive snake_case nouns (score, insights, factors, report_transaction).

Tool Count5/5

Four tools cover the core functionality of a fraud scoring service: three read levels of increasing detail and one write feedback operation. Well-scoped.

Completeness4/5

The tool surface covers the main fraud scoring lifecycle (score, insights, factors, feedback). Missing administrative or listing tools, but these are not core to the domain.

Available Tools

4 tools

minfraud_factorsminFraud Factors (risk reasons + subscores)

Read-only

Inspect

The most detailed assessment: everything in Insights PLUS risk_score_reasons and per-factor subscores explaining WHY the score is what it is. Same request body as minfraud_score. API: POST /minfraud/v2.0/factors.

ParametersJSON Schema

Name	Required	Description
`email`	No
`event`	No
`order`	No
`device`	No	Info about the device/connection. device.ip_address is the most important input.
`account`	No
`billing`	No
`payment`	No
`shipping`	No
`credit_card`	No
`custom_inputs`	No	Custom inputs configured in your minFraud account.
`shopping_cart`	No

minfraud_insightsminFraud Insights (detailed risk)

Read-only

Inspect

Score a transaction AND get detailed risk insights: IP geolocation, email/address/device attributes, and per-component risk on top of the risk_score. Same request body as minfraud_score. API: POST /minfraud/v2.0/insights.

ParametersJSON Schema

Name	Required	Description
`email`	No
`event`	No
`order`	No
`device`	No	Info about the device/connection. device.ip_address is the most important input.
`account`	No
`billing`	No
`payment`	No
`shipping`	No
`credit_card`	No
`custom_inputs`	No	Custom inputs configured in your minFraud account.
`shopping_cart`	No

minfraud_report_transactionReport a transaction outcome

Destructive

Inspect

WRITE — submits fraud feedback to MaxMind. Report the real-world outcome of a transaction (e.g. it was a chargeback or confirmed fraud) so minFraud can improve future scoring. This mutates MaxMind's model of your traffic; it is not a read. Requires a tag and at least one identifier (ip_address, maxmind_id, minfraud_id, or transaction_id). API: POST /minfraud/v2.0/transactions/report (returns HTTP 204).

ParametersJSON Schema

Name	Required	Description
`tag`	Yes	REQUIRED. The outcome you are reporting for this transaction.
`notes`	No	Free-form notes about the transaction.
`ip_address`	No	Identifier: the IP address of the reported transaction.
`maxmind_id`	No	Identifier: the 8-character maxmind_id from a prior response.
`minfraud_id`	No	Identifier: the minfraud_id (UUID) from a prior response.
`transaction_id`	No	Identifier: your own transaction_id sent at scoring time.
`chargeback_code`	No	The chargeback reason code, if tag=chargeback.

minfraud_scoreminFraud risk score

Read-only

Inspect

Score a transaction for fraud risk. Returns the overall risk_score (0.01–99), IP risk, disposition, and remaining query funds — the lightest, cheapest assessment. Send at least device.ip_address (plus email/billing/order for a better score). API: POST /minfraud/v2.0/score.

ParametersJSON Schema

Name	Required	Description
`email`	No
`event`	No
`order`	No
`device`	No	Info about the device/connection. device.ip_address is the most important input.
`account`	No
`billing`	No
`payment`	No
`shipping`	No
`credit_card`	No
`custom_inputs`	No	Custom inputs configured in your minFraud account.
`shopping_cart`	No

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

4 tool updatesOct 9, 2026

Changedminfraud_factors3 fields changed

changedInput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

removedInput schema / properties / custom_inputs / additionalProperties / anyOf

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "number"
-  },
-  {
-    "type": "boolean"
-  }
-]

addedInput schema / properties / custom_inputs / additionalProperties / type
```
Added value: +[
+  "string",
+  "number",
+  "boolean"
+]
```

Changedminfraud_insights3 fields changed

changedInput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

removedInput schema / properties / custom_inputs / additionalProperties / anyOf

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "number"
-  },
-  {
-    "type": "boolean"
-  }
-]

addedInput schema / properties / custom_inputs / additionalProperties / type
```
Added value: +[
+  "string",
+  "number",
+  "boolean"
+]
```

Changedminfraud_report_transaction1 field changed

changedInput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Changedminfraud_score3 fields changed

changedInput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

removedInput schema / properties / custom_inputs / additionalProperties / anyOf

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "number"
-  },
-  {
-    "type": "boolean"
-  }
-]

addedInput schema / properties / custom_inputs / additionalProperties / type
```
Added value: +[
+  "string",
+  "number",
+  "boolean"
+]
```

4 tool updatesJul 18, 2026
- First observedminfraud_factors
- First observedminfraud_insights
- First observedminfraud_report_transaction
- First observedminfraud_score

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