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meigen 3.0.0 is a major release with breaking changes. Review the removals below before upgrading an existing integration.

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Removed in 3.0.0

  • The comfyui generation provider and comfyui_workflow tool.
  • COMFYUI_URL, comfyuiUrl and comfyuiDefaultWorkflow configuration support.
  • The bundled collection of about 1,400 prompts and offline search fallback. Online search returns an explicit error if its service is unavailable; it does not substitute local results.
Remove these settings from your MCP environment and private ~/.config/meigen/config.json, and update scripts that call the removed provider/tool. User-owned files in ~/.config/meigen/workflows/ are not deleted or automatically migrated. An explicit ComfyUI request is rejected rather than redirected to a paid cloud provider.

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Connection choices

New users connect remote MCP with OAuth or install the official ChatGPT plugin. Existing API-key calls for generation, public search and Skills and explicitly selected BYOK workflows retain legacy local compatibility. Do not create a new MeiGen key as a new-user alternative. Local 3.0.0 has 16 tools and no private-library tools. Favorites, boards, history, item details and saving are available through standard remote MCP with OAuth. The official ChatGPT plugin update adding these tools is still awaiting store approval.

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Upgrade sequence

  1. Review workflows and remove unsupported ComfyUI/offline-library assumptions.
  2. Update only the existing package argument to meigen@3.0.0, preserving credentials and host settings as described in local setup. Configurations following the default npm tag can receive a new major automatically; keep an explicit pin. Claude/OpenClaw plugin bundles update separately.
  3. Restart/reconnect and inspect actual tool schemas. Keep original request IDs for any interrupted generation; upgrading does not authorize a new paid attempt.
See the source release notes for release status. This URL is retained so old ComfyUI documentation links continue to explain the migration.