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Origami Tutor

by com.origamitutor
OverviewDiscussionsAdmin

Find a paper project

find_origami
Read-onlyIdempotent

Searches public paper crafts by query, difficulty and category, returning ranked projects, paper requirements, lesson links and pagination.

Input Schema

NameRequiredDescriptionDefault
queryYesWhat the user wants to make, for example paper plane or easy animals for kids. Empty means browse.
cursorNoOpaque nextCursor from a previous page with identical filters and pageSize; absent on the first page.
categoryNoOptional subject or craft family, for example Animals, Boxes, Origami or Paper cutting.
pageSizeNoProjects per page, default 8. The widget may request 4 for compact inline displays.
difficultyNoDifficulty: "Easy", "Intermediate", "Medium" or "Advanced". "Beginner" also means Easy.

Output Schema

NameRequiredDescriptionDefault
viewYes
queryYes
totalYes
modelsYes
messageYes
requestYes
pageSizeYes
nextCursorYes
toolRequestYes
continuationNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "additionalProperties": false,
+  "properties": {
+    "continuation": {
+      "type": "boolean"
+    },
+    "message": {
+      "type": "string"
+    },
+    "models": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "ages": {
+            "items": {
+              "type": "number"
+            },
+            "type": "array"
+          },
+          "airplane": {
+            "type": "boolean"
+          },
+          "category": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          },
+          "difficulty": {
+            "type": "string"
+          },
+          "estimatedMinutes": {
+            "type": "integer"
+          },
+          "family": {
+            "type": "string"
+          },
+          "familyName": {
+            "type": "string"
+          },
+          "glue": {
+            "type": "boolean"
+          },
+          "holidayFacts": {
+            "items": {
+              "additionalProperties": false,
+              "properties": {
+                "age": {
+                  "anyOf": [
+                    {
+                      "type": "number"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ]
+                },
+                "idea": {
+                  "type": "string"
+                },
+                "name": {
+                  "type": "string"
+                },
+                "slug": {
+                  "type": "string"
+                },
+                "tools": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "slug",
+                "name",
+                "age",
+                "idea",
+                "tools"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "id": {
+            "type": "string"
+          },
+          "materials": {
+            "type": "string"
+          },
+          "name": {
+            "type": "string"
+          },
+          "occasions": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "pageUrl": {
+            "format": "uri",
+            "type": "string"
+          },
+          "paper": {
+            "type": "string"
+          },
+          "paperGuidance": {
+            "additionalProperties": false,
+            "properties": {
+              "fromStandardSheet": {
+                "items": {
+                  "additionalProperties": false,
+                  "properties": {
+                    "dimensionsMm": {
+                      "items": {
+                        "type": "number"
+                      },
+                      "maxItems": 2,
+                      "minItems": 2,
+                      "type": "array"
+                    },
+                    "largestSquareMm": {
+                      "type": "number"
+                    },
+                    "name": {
+                      "type": "string"
+                    },
+                    "pageUrl": {
+                      "format": "uri",
+                      "type": "string"
+                    },
+                    "text": {
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "name",
+                    "dimensionsMm",
+                    "largestSquareMm",
+                    "text",
+                    "pageUrl"
+                  ],
+                  "type": "object"
+                },
+                "type": "array"
+              },
+              "guideUrl": {
+                "format": "uri",
+                "type": "string"
+              },
+              "paperSizeMm": {
+                "anyOf": [
+                  {
+                    "items": {
+                      "type": "number"
+                    },
+                    "maxItems": 2,
+                    "minItems": 2,
+                    "type": "array"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "paperType": {
+                "type": "string"
+              },
+              "recommended": {
+                "type": "string"
+              },
+              "shape": {
+                "enum": [
+                  "square",
+                  "rectangle",
+                  "other"
+                ]
+              },
+              "typeUrl": {
+                "anyOf": [
+                  {
+                    "format": "uri",
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              }
+            },
+            "required": [
+              "recommended",
+              "shape",
+              "paperSizeMm",
+              "paperType",
+              "guideUrl",
+              "typeUrl",
+              "fromStandardSheet"
+            ],
+            "type": "object"
+          },
+          "paperSizeMm": {
+            "anyOf": [
+              {
+                "items": {
+                  "type": "number"
+                },
+                "maxItems": 2,
+                "minItems": 2,
+                "type": "array"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "posterUrl": {
+            "description": "WebP picture of the finished model.",
+            "format": "uri",
+            "pattern": "\\.webp$",
+            "type": "string"
+          },
+          "printUrl": {
+            "format": "uri",
+            "type": "string"
+          },
+          "route": {
+            "type": "string"
+          },
+          "scissors": {
+            "type": "boolean"
+          },
+          "size": {
+            "type": "string"
+          },
+          "slug": {
+            "type": "string"
+          },
+          "start": {
+            "type": "string"
+          },
+          "stepCount": {
+            "type": "integer"
+          },
+          "templateUrl": {
+            "anyOf": [
+              {
+                "description": "800-pixel-wide PNG on a white background.",
+                "format": "uri",
+                "pattern": "\\.png$",
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "timeBasis": {
+            "type": "string"
+          },
+          "tips": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "slug",
+          "id",
+          "route",
+          "name",
+          "description",
+          "category",
+          "family",
+          "familyName",
+          "difficulty",
+          "stepCount",
+          "paper",
+          "size",
+          "materials",
+          "paperGuidance",
+          "paperSizeMm",
+          "scissors",
+          "glue",
+          "occasions",
+          "ages",
+          "holidayFacts",
+          "estimatedMinutes",
+          "timeBasis",
+          "airplane",
+          "tips",
+          "start",
+          "posterUrl",
+          "pageUrl",
+          "printUrl",
+          "templateUrl"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "nextCursor": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "pageSize": {
+      "type": "integer"
+    },
+    "query": {
+      "type": "string"
+    },
+    "request": {
+      "additionalProperties": false,
+      "properties": {
+        "arguments": {
+          "additionalProperties": false,
+          "properties": {
+            "age": {
+              "type": "integer"
+            },
+            "category": {
+              "type": "string"
+            },
+            "difficulty": {
+              "type": "string"
+            },
+            "max_minutes": {
+              "type": "number"
+            },
+            "occasion": {
+              "type": "string"
+            },
+            "pageSize": {
+              "type": "integer"
+            },
+            "query": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "pageSize"
+          ],
+          "type": "object"
+        },
+        "name": {
+          "enum": [
+            "find_origami",
+            "suggest_origami"
+          ]
+        }
+      },
+      "required": [
+        "name",
+        "arguments"
+      ],
+      "type": "object"
+    },
+    "toolRequest": {
+      "additionalProperties": false,
+      "properties": {
+        "arguments": {
+          "additionalProperties": false,
+          "properties": {
+            "age": {
+              "type": "integer"
+            },
+            "category": {
+              "type": "string"
+            },
+            "difficulty": {
+              "type": "string"
+            },
+            "max_minutes": {
+              "type": "number"
+            },
+            "occasion": {
+              "type": "string"
+            },
+            "pageSize": {
+              "type": "integer"
+            },
+            "query": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "pageSize"
+          ],
+          "type": "object"
+        },
+        "name": {
+          "enum": [
+            "find_origami",
+            "suggest_origami"
+          ]
+        }
+      },
+      "required": [
+        "name",
+        "arguments"
+      ],
+      "type": "object"
+    },
+    "total": {
+      "type": "integer"
+    },
+    "view": {
+      "const": "catalog"
+    }
+  },
+  "required": [
+    "view",
+    "query",
+    "models",
+    "total",
+    "pageSize",
+    "nextCursor",
+    "request",
+    "toolRequest",
+    "message"
+  ],
+  "type": "object"
+}
  2. First observed

TDQS

A3.8/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent, non-destructive and closed-world, so the safety profile is covered. The description adds genuinely new behavioral context beyond them: results are ranked, include paper requirements and lesson links, and are paginated — useful for setting agent expectations about result shape and paging.

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

Conciseness5/5

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

A single front-loaded sentence that names the action, the filters, the ranked output and pagination with no filler. Nothing in it is redundant or misplaced.

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 a full output schema and 100% parameter coverage, the description need only orient the agent, and it does: search scope, filter dimensions, ranked results, pagination. The only gap is routing guidance among the four sibling tools, which leaves an agent guessing between find_origami and suggest_origami.

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 description coverage is 100% and every parameter carries a detailed description including defaults, empty-query browse behavior, cursor semantics and difficulty synonyms. The description only restates 'query, difficulty and category' and adds no meaning beyond the schema, so baseline 3 applies.

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 ('Searches') and resource ('public paper crafts') and enumerates the filter dimensions and result contents. It is clearly a search tool, distinguishable in kind from get_origami_steps or list_categories, but it never names a sibling to sharpen the boundary against suggest_origami.

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?

Usage is only implied: 'Searches public paper crafts' signals a discovery/browse operation, and the 'public' qualifier hints at scope. There is no statement of when to prefer this over suggest_origami (recommendations) or list_categories (taxonomy browsing), and no exclusions or prerequisites.

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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