CO
Cosmic
com.cosmicjs/mcp
Manage Cosmic CMS content, media, object types, and AI generation from any MCP client.
Yes, if you run it on your computer.This is a local server: your AI app launches it on your machine (Claude Desktop, Cursor, VS Code, Claude Code). Browser-only apps like ChatGPT on the web can't run it.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.cosmicjs.com/v1/buckets/{bucket_slug}Settings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.cosmicjs.com/v1/buckets/{bucket_slug}{
"mcpServers": {
"mcp": {
"url": "https://mcp.cosmicjs.com/v1/buckets/{bucket_slug}",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}claude mcp add --transport http mcp https://mcp.cosmicjs.com/v1/buckets/{bucket_slug} --header "Authorization: <value>"{
"servers": {
"mcp": {
"type": "http",
"url": "https://mcp.cosmicjs.com/v1/buckets/{bucket_slug}",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@cosmicjs/mcp@1.6.0"
],
"env": {
"COSMIC_BUCKET_SLUG": "<value>",
"COSMIC_READ_KEY": "<value>",
"COSMIC_WRITE_KEY": "<value>"
}
}
}
}claude mcp add mcp -- npx -y @cosmicjs/mcp@1.6.0Alternatives in Marketing & SEO
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