MCP For Claude Marketplace
Cosmic (Headless CMS & Content API)

Cosmic (Headless CMS & Content API) MCP Connector for Claude

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Manage your content, media, and object types via Cosmic — list objects, create content, and handle media assets directly through any AI agent.

21 tools Official Updated Jun 28, 2026 Official Vinkius Partner
More Details Connect to Claude

Connect your Cosmic headless CMS to any AI agent to manage your content infrastructure through natural language. Cosmic provides a powerful API-first approach to content management, and this MCP server brings those capabilities directly to your AI workflows.

What you can do

  • Content Management — Create, read, update, and delete objects across your buckets with full metadata support.
  • Media Library — List, upload, and manage your media assets including images, videos, and documents.
  • Schema Control — Manage object types and structures programmatically to maintain your content model.
  • Version Control — Access and manage revisions to track changes and restore previous versions of your content.
  • Batch Operations — Execute multiple object operations in a single request for high-efficiency updates.

How it works

  1. Subscribe to this server
  2. Provide your Cosmic Bucket Slug, Read Key, and Write Key
  3. Start managing your headless CMS from Claude, Cursor, or any MCP client

Who is this for?

  • Developers — Quickly query content structures or update metadata without leaving the code editor.
  • Content Managers — Use AI to draft new objects, organize media, or audit existing content entries.
  • Product Teams — Automate content updates and maintain consistency across multiple buckets.
cms-apicontent-infrastructuremedia-managementapi-firstjson-api

21 tools expose this connector's capabilities to your AI agent.

batch_objects

Perform batch operations on Objects (Max 25)

create_media

Create/Upload Media

create_object

Create a new Object

create_object_type

Create a new Object Type

create_revision

Add a Revision for an Object

delete_media

Delete Media

delete_object

Delete an Object

delete_object_type

Delete an Object Type

get_agent_conversation_history

Get history for a specific Agent conversation

get_object

Get a single Object by ID

get_object_type

Get a single Object Type by slug

get_revision

Get a single Revision for an Object

list_agent_conversations

List conversations for an AI Agent

list_media

List Media in a Cosmic Bucket

list_object_types

List Object Types in a Cosmic Bucket

list_objects

Use the query parameter (URL encoded JSON) to filter results. List Objects in a Cosmic Bucket

list_revisions

Get Revisions for an Object

send_agent_message

Send a message to an AI Agent

update_media

Update Media metadata

update_object

Update an existing Object

update_object_type

Update an Object Type

See how to talk to your AI agent using Cosmic (Headless CMS & Content API).

List the last 5 objects of type 'news' in my bucket.

I've retrieved the latest 'news' objects. Here are the most recent entries: 'Product Launch' (ID: abc1), 'New Partnership' (ID: abc2), and 3 others. Would you like to see the full content of any of these?

Create a new draft post titled 'AI and CMS' with the type 'blog-posts'.

Successfully created the draft object 'AI and CMS' (ID: xyz789) in the 'blog-posts' category. You can now add metadata or publish it when ready.

Show me all media files currently in the bucket.

I found 12 media assets in your bucket. Recent uploads include 'hero-banner.jpg', 'logo-white.png', and 'intro-video.mp4'. Do you need the URL for any specific file?

Yes! Use the `list_objects` tool and provide a JSON query string like `{"type":"blog-posts"}` in the query parameter to filter your results.

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