<!-- enhance-docs page=reference/mcp/prototype-publish -->
<!-- enhance-docs release-sha256=dad2e0623acc56ece15d04a4baaff3f1e1f36c2114941c9e110479ef18927c25 -->

# prototype.publish

<span class="reference-badge">mutation</span> <span class="reference-badge">external</span>

Use when the requested change exactly matches prototype.publish; read the current state first when a version or identifier may have changed.

## Before calling

- Authenticate as the accountable Enhance person.
- Use only resource identifiers returned by an earlier capability result or supplied by the person.
- Reuse clientToken only when retrying this exact mutation input.

## Input

<details class="reference-schema">
<summary>Show complete JSON Schema</summary>

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "canvasId": {
      "type": "string",
      "format": "uuid",
      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
    },
    "prototypeId": {
      "anyOf": [
        {
          "type": "string",
          "format": "uuid",
          "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
        },
        {
          "type": "null"
        }
      ],
      "description": "Existing prototype id to redeploy, or null to create one."
    },
    "nodeId": {
      "type": "string",
      "minLength": 1
    },
    "title": {
      "type": "string",
      "minLength": 1
    },
    "directory": {
      "type": "string",
      "minLength": 1,
      "description": "Absolute local directory containing the built prototype."
    },
    "entryPath": {
      "type": "string",
      "minLength": 1,
      "description": "HTML entry file path relative to directory, normally index.html."
    },
    "baseVersion": {
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 9007199254740991
    },
    "box": {
      "type": "object",
      "properties": {
        "x": {
          "type": "number"
        },
        "y": {
          "type": "number"
        },
        "width": {
          "type": "number",
          "exclusiveMinimum": 0
        },
        "height": {
          "type": "number",
          "exclusiveMinimum": 0
        }
      },
      "required": [
        "x",
        "y",
        "width",
        "height"
      ],
      "additionalProperties": false,
      "description": "World-space position and size for the prototype node on the canvas."
    }
  },
  "required": [
    "canvasId",
    "prototypeId",
    "nodeId",
    "title",
    "directory",
    "entryPath",
    "baseVersion",
    "box"
  ],
  "additionalProperties": false
}
```
</details>

### Example

<details class="reference-schema">
<summary>Show example input</summary>

```json
{
  "canvasId": "00000000-0000-4000-8000-000000000010",
  "prototypeId": null,
  "nodeId": "prototype_ready",
  "title": "Ready prototype",
  "directory": "/absolute/build",
  "entryPath": "index.html",
  "baseVersion": 1,
  "box": {
    "x": 48,
    "y": 48,
    "width": 1440,
    "height": 900
  }
}
```
</details>

## Result

Returns a typed prototype.publish result from the Enhance API without transport-specific prose.

## Recovery

- BAD_REQUEST: correct the named fields and call again.
- UNAUTHORIZED: restore Enhance authentication, then retry once.
- FORBIDDEN or NOT_FOUND: list accessible resources and choose an allowed identifier.
- CONFLICT: read the current resource, merge the intended change, and retry with its version.
- INTERNAL: run Enhance diagnostics, report the failure, and stop repeating the call.

## Continue with

- Read the affected prototype resource to confirm the result.

Compatibility: `2905eab68f218e4fdb4babedf3e70ca93d433e300566d731d332f3d11e5b177b`.