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Generate Greetings

by com.generategreetings
OverviewDiscussionsAdmin

Create a greeting card

create_greeting_card

Create a downloadable PNG greeting with occasion-matched background, curated phrases and optional decorations. Optional first name is rendered in this response only. Creates a reusable design link without the name, available to anyone with the link for 30 days. Free with watermark. Does not post to social networks.

Input Schema

NameRequiredDescriptionDefault
nameNoOptional first name, up to 30 characters. Omit sensitive or identifying details. Never stored with a shared design.
styleNoWriting and visual style: sweet and tender, cheerful, simple and elegant, or motivational. The selected style changes the actual greeting wording.sweet
formatNo4:5
localeNoLanguage code; hi is Hindi. Use list_greeting_options for supported languages.en
occasionNomorning
backgroundNoauto matches the occasion; other categories still obey cultural safety rules.auto
decorationsNorandom
previousCodesNoRecent phrase codes from this conversation to avoid repeats; do not send chat history.

Output Schema

NameRequiredDescriptionDefault
cardYes
codeYes
textYes
formatYes
localeYes
editUrlYes
imageUrlYes
occasionYes
expiresAtYes
linkOmitsNameYes
nameIncludedInImageYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed4 schema fields changed
    • changedInput schema / properties / previousCodes / items / pattern
      Previous value: -"^[a-z]+:[a-z]+:\\d+:\\d+:\\d+$"New value: +"^[a-z]+:[a-z]+:\\d+:\\d+:\\d+(?::(?:sweet|cheerful|simple|motivational))?$"
    • addedInput schema / properties / style / description
      Added value: +"Writing and visual style: sweet and tender, cheerful, simple and elegant, or motivational. The selected style changes the actual greeting wording."
    • addedOutput schema / properties / card / properties / phraseStyle
      Added value: +{
+  "enum": [
+    "sweet",
+    "cheerful",
+    "simple",
+    "motivational"
+  ],
+  "type": "string"
+}
    • changedOutput schema / properties / code / pattern
      Previous value: -"^(?:it|en|fr|es|de|pt|ar|zh|ja|ko|th|ru|hi|el|he):(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation|baptism|firstcommunion|confirmation|barmitzvah|hanukkah|roshhashanah|pesach|eidaladha|diwali|vesak):\\d+:\\d+:\\d+$"New value: +"^(?:it|en|fr|es|de|pt|ar|zh|ja|ko|th|ru|hi|el|he):(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation|baptism|firstcommunion|confirmation|barmitzvah|hanukkah|roshhashanah|pesach|eidaladha|diwali|vesak):\\d+:\\d+:\\d+(?::(?:sweet|cheerful|simple|motivational))?$"
  2. Changed8 schema fields changed
    • changedInput schema / properties / locale / enum
      Previous value: -[
-  "it",
-  "en",
-  "fr",
-  "es",
-  "de",
-  "pt",
-  "ar",
-  "zh",
-  "ja",
-  "ko",
-  "th",
-  "ru",
-  "hi",
-  "el"
-]New value: +[
+  "it",
+  "en",
+  "fr",
+  "es",
+  "de",
+  "pt",
+  "ar",
+  "zh",
+  "ja",
+  "ko",
+  "th",
+  "ru",
+  "hi",
+  "el",
+  "he"
+]
    • changedInput schema / properties / occasion / enum
      Previous value: -[
-  "morning",
-  "afternoon",
-  "evening",
-  "night",
-  "birthday",
-  "congratulations",
-  "christmas",
-  "newyear",
-  "lunarnewyear",
-  "mothersday",
-  "fathersday",
-  "weddinganniversary",
-  "anniversary",
-  "ramadan",
-  "eid",
-  "thankyou",
-  "getwell",
-  "wedding",
-  "newbaby",
-  "graduation"
-]New value: +[
+  "morning",
+  "afternoon",
+  "evening",
+  "night",
+  "birthday",
+  "congratulations",
+  "christmas",
+  "newyear",
+  "lunarnewyear",
+  "mothersday",
+  "fathersday",
+  "weddinganniversary",
+  "anniversary",
+  "ramadan",
+  "eid",
+  "thankyou",
+  "getwell",
+  "wedding",
+  "newbaby",
+  "graduation",
+  "baptism",
+  "firstcommunion",
+  "confirmation",
+  "barmitzvah",
+  "hanukkah",
+  "roshhashanah",
+  "pesach",
+  "eidaladha",
+  "diwali",
+  "vesak"
+]
    • changedOutput schema / properties / card / properties / locale / enum
      Previous value: -[
-  "it",
-  "en",
-  "fr",
-  "es",
-  "de",
-  "pt",
-  "ar",
-  "zh",
-  "ja",
-  "ko",
-  "th",
-  "ru",
-  "hi",
-  "el"
-]New value: +[
+  "it",
+  "en",
+  "fr",
+  "es",
+  "de",
+  "pt",
+  "ar",
+  "zh",
+  "ja",
+  "ko",
+  "th",
+  "ru",
+  "hi",
+  "el",
+  "he"
+]
    • changedOutput schema / properties / card / properties / occasion / enum
      Previous value: -[
-  "morning",
-  "afternoon",
-  "evening",
-  "night",
-  "birthday",
-  "congratulations",
-  "christmas",
-  "newyear",
-  "lunarnewyear",
-  "mothersday",
-  "fathersday",
-  "weddinganniversary",
-  "anniversary",
-  "ramadan",
-  "eid",
-  "thankyou",
-  "getwell",
-  "wedding",
-  "newbaby",
-  "graduation"
-]New value: +[
+  "morning",
+  "afternoon",
+  "evening",
+  "night",
+  "birthday",
+  "congratulations",
+  "christmas",
+  "newyear",
+  "lunarnewyear",
+  "mothersday",
+  "fathersday",
+  "weddinganniversary",
+  "anniversary",
+  "ramadan",
+  "eid",
+  "thankyou",
+  "getwell",
+  "wedding",
+  "newbaby",
+  "graduation",
+  "baptism",
+  "firstcommunion",
+  "confirmation",
+  "barmitzvah",
+  "hanukkah",
+  "roshhashanah",
+  "pesach",
+  "eidaladha",
+  "diwali",
+  "vesak"
+]
    • changedOutput schema / properties / code / pattern
      Previous value: -"^(?:it|en|fr|es|de|pt|ar|zh|ja|ko|th|ru|hi|el):(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation):\\d+:\\d+:\\d+$"New value: +"^(?:it|en|fr|es|de|pt|ar|zh|ja|ko|th|ru|hi|el|he):(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation|baptism|firstcommunion|confirmation|barmitzvah|hanukkah|roshhashanah|pesach|eidaladha|diwali|vesak):\\d+:\\d+:\\d+$"
    • changedOutput schema / properties / editUrl / pattern
      Previous value: -"^https:\\/\\/generategreetings\\.com\\/s\\/[A-Za-z0-9_-]{24}\\?utm_source=(?:chatgpt|claude|mcp)&utm_medium=referral&utm_campaign=(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation)&utm_content=card(?:&format=(?:9%3A16|4%3A5|1%3A1|16%3A9))?$"New value: +"^https:\\/\\/generategreetings\\.com\\/s\\/[A-Za-z0-9_-]{24}\\?utm_source=(?:chatgpt|claude|mcp)&utm_medium=referral&utm_campaign=(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation|baptism|firstcommunion|confirmation|barmitzvah|hanukkah|roshhashanah|pesach|eidaladha|diwali|vesak)&utm_content=card(?:&format=(?:9%3A16|4%3A5|1%3A1|16%3A9))?$"
    • changedOutput schema / properties / locale / enum
      Previous value: -[
-  "it",
-  "en",
-  "fr",
-  "es",
-  "de",
-  "pt",
-  "ar",
-  "zh",
-  "ja",
-  "ko",
-  "th",
-  "ru",
-  "hi",
-  "el"
-]New value: +[
+  "it",
+  "en",
+  "fr",
+  "es",
+  "de",
+  "pt",
+  "ar",
+  "zh",
+  "ja",
+  "ko",
+  "th",
+  "ru",
+  "hi",
+  "el",
+  "he"
+]
    • changedOutput schema / properties / occasion / enum
      Previous value: -[
-  "morning",
-  "afternoon",
-  "evening",
-  "night",
-  "birthday",
-  "congratulations",
-  "christmas",
-  "newyear",
-  "lunarnewyear",
-  "mothersday",
-  "fathersday",
-  "weddinganniversary",
-  "anniversary",
-  "ramadan",
-  "eid",
-  "thankyou",
-  "getwell",
-  "wedding",
-  "newbaby",
-  "graduation"
-]New value: +[
+  "morning",
+  "afternoon",
+  "evening",
+  "night",
+  "birthday",
+  "congratulations",
+  "christmas",
+  "newyear",
+  "lunarnewyear",
+  "mothersday",
+  "fathersday",
+  "weddinganniversary",
+  "anniversary",
+  "ramadan",
+  "eid",
+  "thankyou",
+  "getwell",
+  "wedding",
+  "newbaby",
+  "graduation",
+  "baptism",
+  "firstcommunion",
+  "confirmation",
+  "barmitzvah",
+  "hanukkah",
+  "roshhashanah",
+  "pesach",
+  "eidaladha",
+  "diwali",
+  "vesak"
+]
  3. Changed6 schema fields changed
    • changedInput schema / properties / locale / enum
      Previous value: -[
-  "it",
-  "en",
-  "fr",
-  "es",
-  "de",
-  "pt",
-  "ar",
-  "zh",
-  "ja",
-  "ko",
-  "th",
-  "ru",
-  "hi"
-]New value: +[
+  "it",
+  "en",
+  "fr",
+  "es",
+  "de",
+  "pt",
+  "ar",
+  "zh",
+  "ja",
+  "ko",
+  "th",
+  "ru",
+  "hi",
+  "el"
+]
    • changedInput schema / properties / style / enum
      Previous value: -[
-  "sweet",
-  "cheerful",
-  "simple"
-]New value: +[
+  "sweet",
+  "cheerful",
+  "simple",
+  "motivational"
+]
    • changedOutput schema / properties / card / properties / locale / enum
      Previous value: -[
-  "it",
-  "en",
-  "fr",
-  "es",
-  "de",
-  "pt",
-  "ar",
-  "zh",
-  "ja",
-  "ko",
-  "th",
-  "ru",
-  "hi"
-]New value: +[
+  "it",
+  "en",
+  "fr",
+  "es",
+  "de",
+  "pt",
+  "ar",
+  "zh",
+  "ja",
+  "ko",
+  "th",
+  "ru",
+  "hi",
+  "el"
+]
    • changedOutput schema / properties / card / properties / style / enum
      Previous value: -[
-  "sweet",
-  "cheerful",
-  "simple"
-]New value: +[
+  "sweet",
+  "cheerful",
+  "simple",
+  "motivational"
+]
    • changedOutput schema / properties / code / pattern
      Previous value: -"^(?:it|en|fr|es|de|pt|ar|zh|ja|ko|th|ru|hi):(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation):\\d+:\\d+:\\d+$"New value: +"^(?:it|en|fr|es|de|pt|ar|zh|ja|ko|th|ru|hi|el):(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation):\\d+:\\d+:\\d+$"
    • changedOutput schema / properties / locale / enum
      Previous value: -[
-  "it",
-  "en",
-  "fr",
-  "es",
-  "de",
-  "pt",
-  "ar",
-  "zh",
-  "ja",
-  "ko",
-  "th",
-  "ru",
-  "hi"
-]New value: +[
+  "it",
+  "en",
+  "fr",
+  "es",
+  "de",
+  "pt",
+  "ar",
+  "zh",
+  "ja",
+  "ko",
+  "th",
+  "ru",
+  "hi",
+  "el"
+]
  4. Changed1 schema field changed
    • addedOutput schema / properties / card / properties / backgroundVeil
      Added value: +{
+  "maximum": 100,
+  "minimum": 0,
+  "type": "integer"
+}
  5. Changed1 schema field changed
    • changedOutput schema / properties / editUrl / pattern
      Previous value: -"^https:\\/\\/generategreetings\\.com\\/s\\/[A-Za-z0-9_-]{24}\\?utm_source=(?:chatgpt|claude|mcp)&utm_medium=referral&utm_campaign=(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation)&utm_content=card$"New value: +"^https:\\/\\/generategreetings\\.com\\/s\\/[A-Za-z0-9_-]{24}\\?utm_source=(?:chatgpt|claude|mcp)&utm_medium=referral&utm_campaign=(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation)&utm_content=card(?:&format=(?:9%3A16|4%3A5|1%3A1|16%3A9))?$"
  6. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "card": {
+      "additionalProperties": false,
+      "properties": {
+        "backgroundId": {
+          "maxLength": 100,
+          "pattern": "^[\\w-]+$",
+          "type": "string"
+        },
+        "emoji": {
+          "enum": [
+            "none",
+            "hearts",
+            "flowers",
+            "stars",
+            "bear",
+            "bow",
+            "balloons"
+          ],
+          "type": "string"
+        },
+        "indices": {
+          "items": [
+            {
+              "maximum": 1000,
+              "minimum": 0,
+              "type": "integer"
+            },
+            {
+              "maximum": 1000,
+              "minimum": 0,
+              "type": "integer"
+            },
+            {
+              "maximum": 1000,
+              "minimum": 0,
+              "type": "integer"
+            }
+          ],
+          "maxItems": 3,
+          "minItems": 3,
+          "type": "array"
+        },
+        "locale": {
+          "enum": [
+            "it",
+            "en",
+            "fr",
+            "es",
+            "de",
+            "pt",
+            "ar",
+            "zh",
+            "ja",
+            "ko",
+            "th",
+            "ru",
+            "hi"
+          ],
+          "type": "string"
+        },
+        "name": {
+          "const": "",
+          "type": "string"
+        },
+        "occasion": {
+          "enum": [
+            "morning",
+            "afternoon",
+            "evening",
+            "night",
+            "birthday",
+            "congratulations",
+            "christmas",
+            "newyear",
+            "lunarnewyear",
+            "mothersday",
+            "fathersday",
+            "weddinganniversary",
+            "anniversary",
+            "ramadan",
+            "eid",
+            "thankyou",
+            "getwell",
+            "wedding",
+            "newbaby",
+            "graduation"
+          ],
+          "type": "string"
+        },
+        "stickers": {
+          "items": {
+            "additionalProperties": false,
+            "properties": {
+              "id": {
+                "enum": [
+                  "bear",
+                  "bow",
+                  "hearts",
+                  "flowers",
+                  "balloons",
+                  "stars"
+                ],
+                "type": "string"
+              },
+              "position": {
+                "enum": [
+                  "topLeft",
+                  "topRight",
+                  "bottomLeft",
+                  "bottomRight"
+                ],
+                "type": "string"
+              }
+            },
+            "required": [
+              "id",
+              "position"
+            ],
+            "type": "object"
+          },
+          "maxItems": 4,
+          "type": "array"
+        },
+        "style": {
+          "enum": [
+            "sweet",
+            "cheerful",
+            "simple"
+          ],
+          "type": "string"
+        },
+        "version": {
+          "const": 1,
+          "type": "number"
+        }
+      },
+      "required": [
+        "version",
+        "locale",
+        "occasion",
+        "indices",
+        "name",
+        "backgroundId",
+        "style",
+        "emoji",
+        "stickers"
+      ],
+      "type": "object"
+    },
+    "code": {
+      "maxLength": 100,
+      "pattern": "^(?:it|en|fr|es|de|pt|ar|zh|ja|ko|th|ru|hi):(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation):\\d+:\\d+:\\d+$",
+      "type": "string"
+    },
+    "editUrl": {
+      "format": "uri",
+      "pattern": "^https:\\/\\/generategreetings\\.com\\/s\\/[A-Za-z0-9_-]{24}\\?utm_source=(?:chatgpt|claude|mcp)&utm_medium=referral&utm_campaign=(?:morning|afternoon|evening|night|birthday|congratulations|christmas|newyear|lunarnewyear|mothersday|fathersday|weddinganniversary|anniversary|ramadan|eid|thankyou|getwell|wedding|newbaby|graduation)&utm_content=card$",
+      "type": "string"
+    },
+    "expiresAt": {
+      "format": "date-time",
+      "type": "string"
+    },
+    "format": {
+      "enum": [
+        "9:16",
+        "4:5",
+        "1:1",
+        "16:9"
+      ],
+      "type": "string"
+    },
+    "imageUrl": {
+      "format": "uri",
+      "pattern": "^https:\\/\\/generategreetings\\.com\\/s\\/[A-Za-z0-9_-]{24}\\/image\\?format=(?:9%3A16|4%3A5|1%3A1|16%3A9)$",
+      "type": "string"
+    },
+    "linkOmitsName": {
+      "const": true,
+      "type": "boolean"
+    },
+    "locale": {
+      "enum": [
+        "it",
+        "en",
+        "fr",
+        "es",
+        "de",
+        "pt",
+        "ar",
+        "zh",
+        "ja",
+        "ko",
+        "th",
+        "ru",
+        "hi"
+      ],
+      "type": "string"
+    },
+    "nameIncludedInImage": {
+      "type": "boolean"
+    },
+    "occasion": {
+      "enum": [
+        "morning",
+        "afternoon",
+        "evening",
+        "night",
+        "birthday",
+        "congratulations",
+        "christmas",
+        "newyear",
+        "lunarnewyear",
+        "mothersday",
+        "fathersday",
+        "weddinganniversary",
+        "anniversary",
+        "ramadan",
+        "eid",
+        "thankyou",
+        "getwell",
+        "wedding",
+        "newbaby",
+        "graduation"
+      ],
+      "type": "string"
+    },
+    "text": {
+      "maxLength": 6000,
+      "minLength": 1,
+      "type": "string"
+    }
+  },
+  "required": [
+    "text",
+    "code",
+    "locale",
+    "occasion",
+    "card",
+    "format",
+    "editUrl",
+    "imageUrl",
+    "expiresAt",
+    "nameIncludedInImage",
+    "linkOmitsName"
+  ],
+  "type": "object"
+}
  7. First observed

TDQS

A3.7/5.0
Behavior5/5

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

Goes well beyond the annotations by disclosing privacy ('Optional first name is rendered in this response only'), retention ('reusable design link... available to anyone with the link for 30 days'), monetization ('Free with watermark'), and scope ('does not post to social networks'). Annotations cover safety flags but not any of these operational traits.

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?

Four sentences, front-loaded with the primary action, and each adds a distinct fact (output type, name handling, link retention, monetization/scope). Slightly dense but no filler.

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?

Output schema exists so return values need no explanation, and the description covers critical behaviors for a non-idempotent, open-world mutation: name non-retention, link lifetime, watermark. The remaining gap is failure to position it against the confusingly similar generate_greeting sibling.

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?

At 63% schema description coverage, the schema already documents name, style, locale, background, and previousCodes. The description reinforces the privacy semantics of name and occasion-matched behavior of background, but adds nothing for format, decorations, or previousCodes beyond what the schema shows. Baseline 3 is appropriate.

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 and resource with scope: 'Create a downloadable PNG greeting' plus occasion-matched background and curated phrases. It is clear what the tool produces, but it never distinguishes itself from the near-identically named sibling generate_greeting, leaving ambiguity about which generator to call.

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

Usage Guidelines2/5

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

No when-to-use guidance, preconditions, or named alternatives are given. The sibling set (generate_greeting, list_greeting_options) makes the choice non-obvious, and the description offers no routing hint, only constraints like 'does not post to social networks'.

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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