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jgardner04

Ghost MCP Server

by jgardner04
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Remote

ghost_create_newsletter

Create a new newsletter in Ghost CMS with customizable sender, display, and subscription options. Configure name, sender details, visibility, and design settings.

Instructions

Creates a new newsletter in Ghost CMS with customizable sender settings and display options.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
descriptionNo
slugNo
sender_nameNo
sender_emailNo
sender_reply_toNonewsletter
statusNoactive
visibilityNomembers
subscribe_on_signupNoWhether new members are automatically subscribed
sort_orderNoDisplay order for newsletters
header_imageNo
show_header_iconNo
show_header_titleNo
title_font_categoryNosans-serif
title_alignmentNocenter
show_feature_imageNo
body_font_categoryNosans-serif
footer_contentNo
show_badgeNo
show_header_nameNo
show_post_title_sectionNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv1.14.3
  2. Removedv1.14.2
  3. Changed23 schema fields changedv1.12.2
    • addedInput schema / $schema
      Added value: +"http://json-schema.org/draft-07/schema#"
    • addedInput schema / properties / body_font_category
      Added value: +{
+  "default": "sans-serif",
+  "enum": [
+    "serif",
+    "sans-serif"
+  ],
+  "type": "string"
+}
    • addedInput schema / properties / description
      Added value: +{
+  "maxLength": 2000,
+  "type": "string"
+}
    • addedInput schema / properties / footer_content
      Added value: +{
+  "type": "string"
+}
    • addedInput schema / properties / header_image
      Added value: +{
+  "format": "uri",
+  "type": "string"
+}
    • addedInput schema / properties / name
      Added value: +{
+  "maxLength": 191,
+  "minLength": 1,
+  "type": "string"
+}
    • addedInput schema / properties / sender_email
      Added value: +{
+  "format": "email",
+  "pattern": "^(?!\\.)(?!.*\\.\\.)([A-Za-z0-9_'+\\-\\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\\-]*\\.)+[A-Za-z]{2,}$",
+  "type": "string"
+}
    • addedInput schema / properties / sender_name
      Added value: +{
+  "maxLength": 191,
+  "type": "string"
+}
    • addedInput schema / properties / sender_reply_to
      Added value: +{
+  "default": "newsletter",
+  "enum": [
+    "newsletter",
+    "support"
+  ],
+  "type": "string"
+}
    • addedInput schema / properties / show_badge
      Added value: +{
+  "default": true,
+  "type": "boolean"
+}
    • addedInput schema / properties / show_feature_image
      Added value: +{
+  "default": true,
+  "type": "boolean"
+}
    • addedInput schema / properties / show_header_icon
      Added value: +{
+  "default": true,
+  "type": "boolean"
+}
    • addedInput schema / properties / show_header_name
      Added value: +{
+  "default": true,
+  "type": "boolean"
+}
    • addedInput schema / properties / show_header_title
      Added value: +{
+  "default": true,
+  "type": "boolean"
+}
    • addedInput schema / properties / show_post_title_section
      Added value: +{
+  "default": true,
+  "type": "boolean"
+}
    • addedInput schema / properties / slug
      Added value: +{
+  "pattern": "^[a-z0-9-]+$",
+  "type": "string"
+}
    • addedInput schema / properties / sort_order
      Added value: +{
+  "description": "Display order for newsletters",
+  "maximum": 9007199254740991,
+  "minimum": 0,
+  "type": "integer"
+}
    • addedInput schema / properties / status
      Added value: +{
+  "default": "active",
+  "enum": [
+    "active",
+    "archived"
+  ],
+  "type": "string"
+}
    • addedInput schema / properties / subscribe_on_signup
      Added value: +{
+  "default": true,
+  "description": "Whether new members are automatically subscribed",
+  "type": "boolean"
+}
    • addedInput schema / properties / title_alignment
      Added value: +{
+  "default": "center",
+  "enum": [
+    "left",
+    "center"
+  ],
+  "type": "string"
+}
    • addedInput schema / properties / title_font_category
      Added value: +{
+  "default": "sans-serif",
+  "enum": [
+    "serif",
+    "sans-serif"
+  ],
+  "type": "string"
+}
    • addedInput schema / properties / visibility
      Added value: +{
+  "default": "members",
+  "enum": [
+    "members",
+    "paid"
+  ],
+  "type": "string"
+}
    • addedInput schema / required
      Added value: +[
+  "name"
+]
  4. First observedv1.0.0

TDQS

C2.8/5.0
Behavior2/5

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

With no annotations, the description should disclose side effects or requirements, but it only states the basic action. Does not mention permissions, output, or error scenarios.

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?

Single sentence, no wasted words. Efficiently communicates the core purpose.

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

Completeness1/5

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

With 21 parameters, no output schema, and no annotations, the description is far too minimal. It does not explain return values, required parameters beyond name, or important defaults.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is only 10% (2 of 21 params have descriptions), and the description adds no further parameter explanations. The agent gets minimal help understanding the many optional parameters.

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 'creates' and the resource 'newsletter', distinguishing it from siblings like ghost_create_post. It also mentions customizable settings, which provides specific scope.

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 guidance on when to use this tool versus alternatives like ghost_update_newsletter or ghost_create_post. No prerequisites or context provided.

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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