Rafid Intelligence Network

portfolio_screen

Read-onlyIdempotent

Screen and rank a portfolio of 2–20 supplied properties using the shared rental-yield and income calculations. When: Use when an agent needs a first-pass ranking of multiple properties before deeper analysis. Selection: specialized; prefer for Use when an agent needs a first-pass ranking of multiple properties before deeper analysis.. Input is a strict JSON object; see the schema. Price: $0.50 USD per call. No free preview is advertised for this capability. Full execution is paid per call via x402; an unpaid MCP call returns payment instructions.

Input Schema

Name	Required	Description	Default
`properties`	Yes

Output Schema

Name	Required	Description	Default
No arguments

Schema Changelog

Changes observed during successful MCP inspections.

Changed4 schema fields changedNov 1, 2026

removedOutput schema / additionalProperties
```
Removed value: -false
```

addedOutput schema / anyOf

Added value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "limitations": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "result": {},
+      "workflow": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "workflow",
+      "result",
+      "limitations"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "nextAction": {
+        "additionalProperties": false,
+        "properties": {
+          "instruction": {
+            "type": "string"
+          },
+          "target": {
+            "enum": [
+              "x402_endpoint",
+              "mcp_credits_endpoint",
+              "payment_endpoint",
+              "unavailable"
+            ],
+            "type": "string"
+          },
+          "type": {
+            "enum": [
+              "pay_and_retry",
+              "authorize_and_use_mcp_credits",
+              "payment_unavailable"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "type",
+          "target",
+          "instruction"
+        ],
+        "type": "object"
+      },
+      "payment": {
+        "additionalProperties": false,
+        "properties": {
+          "endpoint": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "method": {
+            "const": "POST",
+            "type": "string"
+          },
+          "retrySameBody": {
+            "const": true,
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "endpoint",
+          "method",
+          "retrySameBody"
+        ],
+        "type": "object"
+      },
+      "paymentGuidance": {},
+      "preview": {
+        "additionalProperties": false,
+        "properties": {
+          "fullResultAvailable": {
+            "const": true,
+            "type": "boolean"
+          },
+          "inputAccepted": {
+            "const": true,
+            "type": "boolean"
+          },
+          "summary": {
+            "type": "string"
+          },
+          "useCases": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "inputAccepted",
+          "fullResultAvailable",
+          "summary",
+          "useCases"
+        ],
+        "type": "object"
+      },
+      "price": {
+        "additionalProperties": false,
+        "properties": {
+          "amount": {
+            "minimum": 0,
+            "type": "number"
+          },
+          "currency": {
+            "type": "string"
+          },
+          "protocol": {
+            "enum": [
+              "x402",
+              "api_credits",
+              "subscription",
+              "l402",
+              "mpp",
+              "unavailable"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "amount",
+          "currency",
+          "protocol"
+        ],
+        "type": "object"
+      },
+      "requestId": {
+        "type": "string"
+      },
+      "status": {
+        "const": "payment_required",
+        "type": "string"
+      },
+      "tool": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "tool",
+      "requestId",
+      "price",
+      "preview",
+      "payment",
+      "nextAction"
+    ],
+    "type": "object"
+  }
+]

removedOutput schema / properties

Removed value: -{
-  "limitations": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "result": {},
-  "workflow": {
-    "type": "string"
-  }
-}

removedOutput schema / required

Removed value: -[
-  "workflow",
-  "result",
-  "limitations"
-]

Changed4 schema fields changedOct 28, 2026

addedOutput schema / additionalProperties
```
Added value: +false
```

removedOutput schema / anyOf

Removed value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "limitations": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      },
-      "result": {},
-      "workflow": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "workflow",
-      "result",
-      "limitations"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "nextAction": {
-        "additionalProperties": false,
-        "properties": {
-          "instruction": {
-            "type": "string"
-          },
-          "target": {
-            "enum": [
-              "x402_endpoint",
-              "mcp_credits_endpoint",
-              "payment_endpoint",
-              "unavailable"
-            ],
-            "type": "string"
-          },
-          "type": {
-            "enum": [
-              "pay_and_retry",
-              "authorize_and_use_mcp_credits",
-              "payment_unavailable"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "type",
-          "target",
-          "instruction"
-        ],
-        "type": "object"
-      },
-      "payment": {
-        "additionalProperties": false,
-        "properties": {
-          "endpoint": {
-            "type": [
-              "string",
-              "null"
-            ]
-          },
-          "method": {
-            "const": "POST",
-            "type": "string"
-          },
-          "retrySameBody": {
-            "const": true,
-            "type": "boolean"
-          }
-        },
-        "required": [
-          "endpoint",
-          "method",
-          "retrySameBody"
-        ],
-        "type": "object"
-      },
-      "paymentGuidance": {},
-      "preview": {
-        "additionalProperties": false,
-        "properties": {
-          "fullResultAvailable": {
-            "const": true,
-            "type": "boolean"
-          },
-          "inputAccepted": {
-            "const": true,
-            "type": "boolean"
-          },
-          "summary": {
-            "type": "string"
-          },
-          "useCases": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          }
-        },
-        "required": [
-          "inputAccepted",
-          "fullResultAvailable",
-          "summary",
-          "useCases"
-        ],
-        "type": "object"
-      },
-      "price": {
-        "additionalProperties": false,
-        "properties": {
-          "amount": {
-            "minimum": 0,
-            "type": "number"
-          },
-          "currency": {
-            "type": "string"
-          },
-          "protocol": {
-            "enum": [
-              "x402",
-              "api_credits",
-              "subscription",
-              "l402",
-              "mpp",
-              "unavailable"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "amount",
-          "currency",
-          "protocol"
-        ],
-        "type": "object"
-      },
-      "requestId": {
-        "type": "string"
-      },
-      "status": {
-        "const": "payment_required",
-        "type": "string"
-      },
-      "tool": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "status",
-      "tool",
-      "requestId",
-      "price",
-      "preview",
-      "payment",
-      "nextAction"
-    ],
-    "type": "object"
-  }
-]

addedOutput schema / properties

Added value: +{
+  "limitations": {
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  },
+  "result": {},
+  "workflow": {
+    "type": "string"
+  }
+}

addedOutput schema / required

Added value: +[
+  "workflow",
+  "result",
+  "limitations"
+]

Changed1 schema field changedOct 10, 2026

changedOutput schema / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "limitations": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      },
-      "result": {},
-      "workflow": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "workflow",
-      "result",
-      "limitations"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "nextAction": {
-        "additionalProperties": false,
-        "properties": {
-          "instruction": {
-            "type": "string"
-          },
-          "target": {
-            "const": "x402_endpoint",
-            "type": "string"
-          },
-          "type": {
-            "const": "pay_and_retry",
-            "type": "string"
-          }
-        },
-        "required": [
-          "type",
-          "target",
-          "instruction"
-        ],
-        "type": "object"
-      },
-      "payment": {
-        "additionalProperties": false,
-        "properties": {
-          "endpoint": {
-            "type": "string"
-          },
-          "method": {
-            "const": "POST",
-            "type": "string"
-          },
-          "retrySameBody": {
-            "const": true,
-            "type": "boolean"
-          }
-        },
-        "required": [
-          "endpoint",
-          "method",
-          "retrySameBody"
-        ],
-        "type": "object"
-      },
-      "preview": {
-        "additionalProperties": false,
-        "properties": {
-          "fullResultAvailable": {
-            "const": true,
-            "type": "boolean"
-          },
-          "inputAccepted": {
-            "const": true,
-            "type": "boolean"
-          },
-          "summary": {
-            "type": "string"
-          },
-          "useCases": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          }
-        },
-        "required": [
-          "inputAccepted",
-          "fullResultAvailable",
-          "summary",
-          "useCases"
-        ],
-        "type": "object"
-      },
-      "price": {
-        "additionalProperties": false,
-        "properties": {
-          "amount": {
-            "minimum": 0,
-            "type": "number"
-          },
-          "currency": {
-            "type": "string"
-          },
-          "protocol": {
-            "const": "x402",
-            "type": "string"
-          }
-        },
-        "required": [
-          "amount",
-          "currency",
-          "protocol"
-        ],
-        "type": "object"
-      },
-      "requestId": {
-        "type": "string"
-      },
-      "status": {
-        "const": "payment_required",
-        "type": "string"
-      },
-      "tool": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "status",
-      "tool",
-      "requestId",
-      "price",
-      "preview",
-      "payment",
-      "nextAction"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "limitations": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "result": {},
+      "workflow": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "workflow",
+      "result",
+      "limitations"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "nextAction": {
+        "additionalProperties": false,
+        "properties": {
+          "instruction": {
+            "type": "string"
+          },
+          "target": {
+            "enum": [
+              "x402_endpoint",
+              "mcp_credits_endpoint",
+              "payment_endpoint",
+              "unavailable"
+            ],
+            "type": "string"
+          },
+          "type": {
+            "enum": [
+              "pay_and_retry",
+              "authorize_and_use_mcp_credits",
+              "payment_unavailable"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "type",
+          "target",
+          "instruction"
+        ],
+        "type": "object"
+      },
+      "payment": {
+        "additionalProperties": false,
+        "properties": {
+          "endpoint": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "method": {
+            "const": "POST",
+            "type": "string"
+          },
+          "retrySameBody": {
+            "const": true,
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "endpoint",
+          "method",
+          "retrySameBody"
+        ],
+        "type": "object"
+      },
+      "paymentGuidance": {},
+      "preview": {
+        "additionalProperties": false,
+        "properties": {
+          "fullResultAvailable": {
+            "const": true,
+            "type": "boolean"
+          },
+          "inputAccepted": {
+            "const": true,
+            "type": "boolean"
+          },
+          "summary": {
+            "type": "string"
+          },
+          "useCases": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "inputAccepted",
+          "fullResultAvailable",
+          "summary",
+          "useCases"
+        ],
+        "type": "object"
+      },
+      "price": {
+        "additionalProperties": false,
+        "properties": {
+          "amount": {
+            "minimum": 0,
+            "type": "number"
+          },
+          "currency": {
+            "type": "string"
+          },
+          "protocol": {
+            "enum": [
+              "x402",
+              "api_credits",
+              "subscription",
+              "l402",
+              "mpp",
+              "unavailable"
+            ],
+            "type": "string"
+          }
+        },
+        "required": [
+          "amount",
+          "currency",
+          "protocol"
+        ],
+        "type": "object"
+      },
+      "requestId": {
+        "type": "string"
+      },
+      "status": {
+        "const": "payment_required",
+        "type": "string"
+      },
+      "tool": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "tool",
+      "requestId",
+      "price",
+      "preview",
+      "payment",
+      "nextAction"
+    ],
+    "type": "object"
+  }
+]

Changed4 schema fields changedOct 7, 2026

removedOutput schema / additionalProperties
```
Removed value: -false
```

addedOutput schema / anyOf

Added value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "limitations": {
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "result": {},
+      "workflow": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "workflow",
+      "result",
+      "limitations"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "nextAction": {
+        "additionalProperties": false,
+        "properties": {
+          "instruction": {
+            "type": "string"
+          },
+          "target": {
+            "const": "x402_endpoint",
+            "type": "string"
+          },
+          "type": {
+            "const": "pay_and_retry",
+            "type": "string"
+          }
+        },
+        "required": [
+          "type",
+          "target",
+          "instruction"
+        ],
+        "type": "object"
+      },
+      "payment": {
+        "additionalProperties": false,
+        "properties": {
+          "endpoint": {
+            "type": "string"
+          },
+          "method": {
+            "const": "POST",
+            "type": "string"
+          },
+          "retrySameBody": {
+            "const": true,
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "endpoint",
+          "method",
+          "retrySameBody"
+        ],
+        "type": "object"
+      },
+      "preview": {
+        "additionalProperties": false,
+        "properties": {
+          "fullResultAvailable": {
+            "const": true,
+            "type": "boolean"
+          },
+          "inputAccepted": {
+            "const": true,
+            "type": "boolean"
+          },
+          "summary": {
+            "type": "string"
+          },
+          "useCases": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "inputAccepted",
+          "fullResultAvailable",
+          "summary",
+          "useCases"
+        ],
+        "type": "object"
+      },
+      "price": {
+        "additionalProperties": false,
+        "properties": {
+          "amount": {
+            "minimum": 0,
+            "type": "number"
+          },
+          "currency": {
+            "type": "string"
+          },
+          "protocol": {
+            "const": "x402",
+            "type": "string"
+          }
+        },
+        "required": [
+          "amount",
+          "currency",
+          "protocol"
+        ],
+        "type": "object"
+      },
+      "requestId": {
+        "type": "string"
+      },
+      "status": {
+        "const": "payment_required",
+        "type": "string"
+      },
+      "tool": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "tool",
+      "requestId",
+      "price",
+      "preview",
+      "payment",
+      "nextAction"
+    ],
+    "type": "object"
+  }
+]

removedOutput schema / properties

Removed value: -{
-  "limitations": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "result": {},
-  "workflow": {
-    "type": "string"
-  }
-}

removedOutput schema / required

Removed value: -[
-  "workflow",
-  "result",
-  "limitations"
-]

AddedSep 29, 2026

TDQS

B3.3/5.0

Behavior4/5

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

Annotations already cover the safety profile (readOnly, idempotent, non-destructive, closed-world), and the description still adds genuine value: cost ($0.50/call), the x402 payment model, no free preview, and that an unpaid call returns payment instructions. It does not explain what the rental-yield/income calculations actually consume, but the paid-execution behavior is disclosed clearly.

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

Conciseness3/5

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

The purpose is well front-loaded, but the 'Selection:' sentence is broken boilerplate that duplicates the 'When' clause verbatim, and the pricing sentences are verbose ('No free preview is advertised for this capability' could be folded in). Useful content is present but padded.

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

Completeness3/5

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

An output schema exists, so return values need not be explained, and pricing/when-to-use are covered. Still, for a tool whose entire input is a structured array of property objects, the description adds nothing about range constraints beyond the conflicting '2–20' claim and no field-level guidance.

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

Parameters2/5

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

Schema description coverage is 0%, so the description must carry the parameter burden and does not. It says 'see the schema' and never describes the per-property fields (propertyValue, annualRent, vacancyRatePct, maintenanceCost, etc.). Worse, it states a '2–20' range while the schema allows minItems 2 / maxItems 100 — a conflicting signal.

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

Purpose4/5

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

States a specific verb+resource+scope: 'Screen and rank a portfolio of 2–20 supplied properties using the shared rental-yield and income calculations.' This clearly separates it from single-property siblings like analyze_property and compare_properties, but it never names the sibling it displaces, so differentiation is by inference.

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

Usage Guidelines3/5

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

The 'When:' clause gives a real trigger ('first-pass ranking of multiple properties before deeper analysis'). However, the 'Selection:' line is garbled boilerplate that just repeats the 'When' text, and no alternative tool is named or excluded, so guidance is only partial.

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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