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Postedly

by com.postedly
OverviewDiscussionsAdmin

postedly_services

Read-onlyIdempotent

Returns current channel availability and starting prices for fax, letters, certified mail, postcards and handwritten cards, plus the Make & send an object beta with custom pricing. Entries with quoteMode manual require personal review through quoteUrl; available false means automated ordering is unavailable. The object beta accepts ready STL/3MF models or paid design help for simple plastic objects. No purchase or order is created.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -{
-  "$schema": "https://json-schema.org/draft/2020-12/schema",
-  "anyOf": [
-    {
-      "additionalProperties": false,
-      "properties": {
-        "data": {
-          "items": {
-            "additionalProperties": false,
-            "properties": {
-              "available": {
-                "type": "boolean"
-              },
-              "description": {
-                "type": "string"
-              },
-              "documentRequirements": {
-                "additionalProperties": false,
-                "properties": {
-                  "artworkSizeInches": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "height": {
-                        "exclusiveMinimum": 0,
-                        "type": "number"
-                      },
-                      "width": {
-                        "exclusiveMinimum": 0,
-                        "type": "number"
-                      }
-                    },
-                    "required": [
-                      "width",
-                      "height"
-                    ],
-                    "type": "object"
-                  },
-                  "bleedInches": {
-                    "minimum": 0,
-                    "type": "number"
-                  },
-                  "contentType": {
-                    "const": "application/pdf"
-                  },
-                  "finishedSizeInches": {
-                    "additionalProperties": false,
-                    "properties": {
-                      "height": {
-                        "exclusiveMinimum": 0,
-                        "type": "number"
-                      },
-                      "width": {
-                        "exclusiveMinimum": 0,
-                        "type": "number"
-                      }
-                    },
-                    "required": [
-                      "width",
-                      "height"
-                    ],
-                    "type": "object"
-                  },
-                  "orientation": {
-                    "const": "landscape"
-                  },
-                  "pageCount": {
-                    "const": 2
-                  },
-                  "templateUrl": {
-                    "format": "uri",
-                    "type": "string"
-                  }
-                },
-                "required": [
-                  "contentType",
-                  "pageCount",
-                  "orientation",
-                  "bleedInches",
-                  "finishedSizeInches",
-                  "artworkSizeInches",
-                  "templateUrl"
-                ],
-                "type": "object"
-              },
-              "id": {
-                "enum": [
-                  "fax",
-                  "letter",
-                  "certified",
-                  "postcard",
-                  "handwritten"
-                ]
-              },
-              "name": {
-                "type": "string"
-              },
-              "priceType": {
-                "enum": [
-                  "fixed",
-                  "from",
-                  null
-                ]
-              },
-              "provider": {
-                "enum": [
-                  "telnyx",
-                  "postgrid",
-                  "click2mail",
-                  "prodigi",
-                  "goody",
-                  "floristone",
-                  "handwrytten"
-                ]
-              },
-              "requiresDocument": {
-                "type": "boolean"
-              },
-              "startingPriceCents": {
-                "minimum": 0,
-                "type": [
-                  "integer",
-                  "null"
-                ]
-              },
-              "unavailableReason": {
-                "type": [
-                  "string",
-                  "null"
-                ]
-              }
-            },
-            "required": [
-              "id",
-              "name",
-              "description",
-              "provider",
-              "requiresDocument",
-              "available",
-              "unavailableReason",
-              "startingPriceCents",
-              "priceType"
-            ],
-            "type": "object"
-          },
-          "type": "array"
-        }
-      },
-      "required": [
-        "data"
-      ],
-      "type": "object"
-    },
-    {
-      "additionalProperties": false,
-      "properties": {
-        "error": {
-          "additionalProperties": false,
-          "properties": {
-            "code": {
-              "minLength": 1,
-              "type": "string"
-            },
-            "details": {
-              "additionalProperties": false,
-              "properties": {
-                "addressRole": {
-                  "enum": [
-                    "recipient",
-                    "sender"
-                  ]
-                },
-                "canSendAsEntered": {
-                  "type": "boolean"
-                }
-              },
-              "required": [
-                "addressRole",
-                "canSendAsEntered"
-              ],
-              "type": "object"
-            },
-            "message": {
-              "type": "string"
-            }
-          },
-          "required": [
-            "code",
-            "message"
-          ],
-          "type": "object"
-        }
-      },
-      "required": [
-        "error"
-      ],
-      "type": "object"
-    }
-  ],
-  "type": "object"
-}New value: +null
  2. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "anyOf": [
+    {
+      "additionalProperties": false,
+      "properties": {
+        "data": {
+          "items": {
+            "additionalProperties": false,
+            "properties": {
+              "available": {
+                "type": "boolean"
+              },
+              "description": {
+                "type": "string"
+              },
+              "documentRequirements": {
+                "additionalProperties": false,
+                "properties": {
+                  "artworkSizeInches": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "height": {
+                        "exclusiveMinimum": 0,
+                        "type": "number"
+                      },
+                      "width": {
+                        "exclusiveMinimum": 0,
+                        "type": "number"
+                      }
+                    },
+                    "required": [
+                      "width",
+                      "height"
+                    ],
+                    "type": "object"
+                  },
+                  "bleedInches": {
+                    "minimum": 0,
+                    "type": "number"
+                  },
+                  "contentType": {
+                    "const": "application/pdf"
+                  },
+                  "finishedSizeInches": {
+                    "additionalProperties": false,
+                    "properties": {
+                      "height": {
+                        "exclusiveMinimum": 0,
+                        "type": "number"
+                      },
+                      "width": {
+                        "exclusiveMinimum": 0,
+                        "type": "number"
+                      }
+                    },
+                    "required": [
+                      "width",
+                      "height"
+                    ],
+                    "type": "object"
+                  },
+                  "orientation": {
+                    "const": "landscape"
+                  },
+                  "pageCount": {
+                    "const": 2
+                  },
+                  "templateUrl": {
+                    "format": "uri",
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "contentType",
+                  "pageCount",
+                  "orientation",
+                  "bleedInches",
+                  "finishedSizeInches",
+                  "artworkSizeInches",
+                  "templateUrl"
+                ],
+                "type": "object"
+              },
+              "id": {
+                "enum": [
+                  "fax",
+                  "letter",
+                  "certified",
+                  "postcard",
+                  "handwritten"
+                ]
+              },
+              "name": {
+                "type": "string"
+              },
+              "priceType": {
+                "enum": [
+                  "fixed",
+                  "from",
+                  null
+                ]
+              },
+              "provider": {
+                "enum": [
+                  "telnyx",
+                  "postgrid",
+                  "click2mail",
+                  "prodigi",
+                  "goody",
+                  "floristone",
+                  "handwrytten"
+                ]
+              },
+              "requiresDocument": {
+                "type": "boolean"
+              },
+              "startingPriceCents": {
+                "minimum": 0,
+                "type": [
+                  "integer",
+                  "null"
+                ]
+              },
+              "unavailableReason": {
+                "type": [
+                  "string",
+                  "null"
+                ]
+              }
+            },
+            "required": [
+              "id",
+              "name",
+              "description",
+              "provider",
+              "requiresDocument",
+              "available",
+              "unavailableReason",
+              "startingPriceCents",
+              "priceType"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        }
+      },
+      "required": [
+        "data"
+      ],
+      "type": "object"
+    },
+    {
+      "additionalProperties": false,
+      "properties": {
+        "error": {
+          "additionalProperties": false,
+          "properties": {
+            "code": {
+              "minLength": 1,
+              "type": "string"
+            },
+            "details": {
+              "additionalProperties": false,
+              "properties": {
+                "addressRole": {
+                  "enum": [
+                    "recipient",
+                    "sender"
+                  ]
+                },
+                "canSendAsEntered": {
+                  "type": "boolean"
+                }
+              },
+              "required": [
+                "addressRole",
+                "canSendAsEntered"
+              ],
+              "type": "object"
+            },
+            "message": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "code",
+            "message"
+          ],
+          "type": "object"
+        }
+      },
+      "required": [
+        "error"
+      ],
+      "type": "object"
+    }
+  ],
+  "type": "object"
+}
  3. First observed

TDQS

A4.3/5.0
Behavior4/5

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

Annotations already establish read-only, idempotent, non-destructive, non-open-world behavior, so the bar is lower. The description still adds real value: quoteMode manual requires personal review via quoteUrl, available false disables automated ordering, the object beta accepts STL/3MF or paid design help, and no order is created.

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?

Three sentences, front-loaded with the catalog contents, then the two decision-relevant flags (quoteMode manual, available false), then the beta detail and the no-order reassurance. Dense but every sentence carries information; only the beta sentence is slightly tangential.

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

Completeness4/5

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

With no parameters, no output schema, and annotations covering the safety profile, the description carries the burden of explaining what the response means — and it does, defining quoteMode and available semantics and the no-purchase guarantee. A brief note on rate limits or caching would make it complete, but nothing essential is missing for a read-only discovery call.

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?

The tool takes zero parameters and the schema is empty, so there is nothing for the description to disambiguate; baseline for a no-param tool is 4. The description appropriately spends its words on output semantics rather than phantom inputs.

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?

Starts with a concrete verb and resource: returns channel availability and starting prices, enumerating the channels (fax, letters, certified mail, postcards, handwritten cards) plus the object beta. This is clearly a discovery/catalog tool, distinct from siblings like postedly_products, postedly_quote, and postedly_checkout.

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

Usage Guidelines4/5

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

It tells the agent when a channel cannot be used automatically (available false) and routes manual-pricing cases to quoteUrl, and states that no purchase or order is created, implying this precedes ordering. It stops short of explicitly saying 'call this first before checkout/quote', so it is strong context without a full when/when-not matrix.

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

All Postedly toolsInspect
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