Schema | Civitai MCP Server

Civitai MCP Server

Official

Describes the environment variables required to run the server.

Name	Required	Description	Default
`PORT`	No	HTTP listen port (http transport only). Default: 3100	3100
`MCP_TRANSPORT`	No	Transport mode: 'http' (Streamable HTTP) or 'stdio'. Default: http	http
`OAUTH_ENABLED`	No	Set to 'true' to enable OAuth one-click connect. Default: false	false
`CIVITAI_API_KEY`	No	Bearer token for authenticated calls. Optional for browse tools; required for user-action tools.
`CIVITAI_API_URL`	No	Base URL for all API calls (REST + tRPC). Default: https://civitai.com	https://civitai.com
`CIVITAI_USER_ID`	No	Optional: skip the JWT round-trip for self-id resolution.
`CIVITAI_WEB_URL`	No	Public website base for user-facing links. Default: https://civitai.com	https://civitai.com
`PUBLIC_BASE_URL`	No	Optional canonical public base URL (e.g. https://mcp.civitai.com).
`MCP_ALLOWED_HOSTS`	No	CSV of Host values allowed by DNS-rebinding protection.
`CIVITAI_UPLOAD_MAX_BYTES`	No	Max bytes accepted for image upload (10 MB default). Default: 10485760	10485760
`CIVITAI_UPLOAD_ALLOWED_HOSTS`	No	CSV allowlist of hostnames permitted for URL-based image uploads.

Server capabilities have not been inspected yet.

Functions exposed to the LLM to take actions

Name	Description
No tools

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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