Game Development

onlyworlds.com

Provides tools to explore and retrieve elements and schemas in the OnlyWorlds world-building system.

1 endpoint11 known toolsFirst detected July 25, 2026Last detected August 29, 2026

ENDPOINT 1

https://www.onlyworlds.com/mcp

No auth detected

MCP server metadata

Name: OnlyWorlds
Version: 3.4.4

Capabilities

experimentalloggingprompts.listChangedresources.listChangedtools.listChangedextensions.io.modelcontextprotocol/ui

Known tools 11

list_element_types

List all 22 OnlyWorlds element types with a one-line shape summary of each.

Inferred read-only

get_element_schema

Return the field structure of one OnlyWorlds element `type` (a slug from `list_element_types`, e.

Inferred read-only

search_schema

Search every element type's fields for `query` (case-insensitive substring), across all 22 types.

Inferred read-only

list_elements

List elements of one `type` in the world named by your API-Key header, newest-created first.

Inferred read-only

get_element

Fetch one element by `type` and `id` (a UUID) from the world named by your API-Key header.

Inferred read-only

search_elements

Search elements by name across ALL 22 types in the world named by your API-Key header (case-insensitive substring match).

Inferred read-only

get_changes

Return the delta feed for the world named by your API-Key header: every element created/updated (`op: "upsert"`, full body) or deleted (`op: "delete"`) since `since_cursor`, in apply order, in pages of `limit` (default 25, max 1000).

Potential side effects

create_element

Create one new element of `type` in the world named by your API-Key header.

Potential side effects

update_element

Update an existing element by `type` and `id`, changing ONLY the fields you pass — omitted fields are preserved.

Potential side effects

edit_links

Add and/or remove links on ONE multi-link `field` of an element, leaving the rest of that field's array untouched.

Potential side effects

bulk_apply

Create and/or update many elements across any of the 22 types in one call.

Potential side effects

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.onlyworlds]
url = "https://www.onlyworlds.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "onlyworlds": {
      "type": "http",
      "url": "https://www.onlyworlds.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: onlyworlds
Remote MCP URL: https://www.onlyworlds.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "onlyworlds": {
      "url": "https://www.onlyworlds.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "onlyworlds": {
      "type": "http",
      "url": "https://www.onlyworlds.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "onlyworlds",
  "transport": "streamable-http",
  "url": "https://www.onlyworlds.com/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Trust Data Available

BuiltWith Trust API v2 evidence for onlyworlds.com was fetched 2026-07-26T08:17:21.080Z and is being refreshed.

Trust status RestrictedContent

onlyworlds.com is assessed as RestrictedContent: Domain runs gambling-related technology.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.