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MorphaReels

by ai.morphareels
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Add to collection

add_to_collection

Add a layer to the user's reusable Collection. Pass ANY element id — a leaf (text., image., …) or a whole group. (a lower-third, logo sting, brand intro). It then appears in the user's Collection (list_collection), where they — and, if this project is in a workspace, every teammate — can drop a self-contained COPY of it into any other project (add_from_collection). Copies are IMMUTABLE: adding copies the whole subtree + its asset bytes, so editing or deleting this source never changes a copy already placed elsewhere. Works on solo projects too (a personal Collection). Give the layer a clear name first (rename_layer / rename_group) — that name is what shows in the Collection.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "elementId": "<elementId>",
      "projectId": "<projectId>"
    },
    "name": "add_to_collection"
  }
}

Input Schema

NameRequiredDescriptionDefault
elementIdYesThe element id to add — any leaf (text/image/video/shapes.<id>) or a group.<id>.
projectIdYesOpaque project id (a v4 UUID, from list_projects/create_project). Selects which existing project this call mutates.

Output Schema

NameRequiredDescriptionDefault
okYesWhether the call succeeded.
dataNoThe payload, shaped by the tool.
noteNoWhat to do next when not ready.
errorNoWhy it failed.
statusNoFor cache-backed readers: whether the answer was ready.
editorUrlNoOpens this project in the editor.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • removedInput schema / properties / anonymousToken
      Removed value: -{
-  "description": "The token create_anonymous_account returned. This connection has no Morpha key, so every call carries it.",
-  "type": "string"
-}
    • changedInput schema / required
      Previous value: -[
-  "elementId",
-  "projectId",
-  "anonymousToken"
-]New value: +[
+  "elementId",
+  "projectId"
+]
  2. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "description": "The result envelope every Morpha tool returns.",
+  "properties": {
+    "data": {
+      "description": "The payload, shaped by the tool.",
+      "type": [
+        "object",
+        "array",
+        "string",
+        "number",
+        "boolean",
+        "null"
+      ]
+    },
+    "editorUrl": {
+      "description": "Opens this project in the editor.",
+      "type": "string"
+    },
+    "error": {
+      "description": "Why it failed.",
+      "type": "string"
+    },
+    "note": {
+      "description": "What to do next when not ready.",
+      "type": "string"
+    },
+    "ok": {
+      "description": "Whether the call succeeded.",
+      "type": "boolean"
+    },
+    "status": {
+      "description": "For cache-backed readers: whether the answer was ready.",
+      "enum": [
+        "ready",
+        "not-ready"
+      ],
+      "type": "string"
+    }
+  },
+  "required": [
+    "ok"
+  ],
+  "type": "object"
+}
  3. Changed2 schema fields changed
    • addedInput schema / properties / anonymousToken
      Added value: +{
+  "description": "The token create_anonymous_account returned. This connection has no Morpha key, so every call carries it.",
+  "type": "string"
+}
    • changedInput schema / required
      Previous value: -[
-  "elementId",
-  "projectId"
-]New value: +[
+  "elementId",
+  "projectId",
+  "anonymousToken"
+]
  4. First observed

TDQS

A4.9/5.0
Behavior5/5

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

Annotations only provide readOnlyHint=false and destructiveHint=false; the description carries the full burden of behavioral disclosure. It explains that adding copies the entire subtree and asset bytes, making copies immutable, and that editing/deleting the source won't affect placed copies. It also notes that teammates can access the collection if the project is in a workspace. This is rich behavioral context with no contradiction to annotations.

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?

The description is front-loaded with the core purpose, then systematically explains input types, side effects (immutability), team sharing, and a prerequisite. Every sentence adds unique value—no filler. Though lengthy, it is appropriately sized for the tool's complexity and reads efficiently.

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

Completeness5/5

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

The description covers all necessary aspects: what it does, what inputs are valid, what happens to the element, how copies behave, applicability to solo projects, and a naming prerequisite. It also references related tools (list_collection, add_from_collection). With an output schema present, return details are not needed. Nothing essential is missing for an agent to invoke this correctly.

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?

Schema coverage is 100%, so both parameters are already documented. The description adds value beyond the schema by detailing what elementId can accept (leaf or group ids with examples like lower-third, logo sting) and emphasizes naming before adding. This goes beyond the schema's generic description, though projectId is not elaborated beyond the schema.

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?

The description clearly states the verb ('Add') and resource ('layer to the user's reusable Collection'). It distinguishes from siblings like add_from_collection (which places a copy into another project) and list_collection (which lists the collection). The explanation of leaf vs. group ids further clarifies scope, leaving no ambiguity about what the tool does.

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

Usage Guidelines5/5

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

The description explicitly tells when to use this tool (to add a layer to the reusable collection) and points to the alternative add_from_collection for placing a copy elsewhere. It also provides a prerequisite (rename the layer first) and clarifies applicability to solo projects, giving the agent clear decision criteria.

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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