feat: add Nanobanana 2 and Seedream 5.0 support, default to nanobanana-2

- Set nanobanana-2 as default model for MeiGen provider
- Update model references across docs and SKILL.md files
- Bump version to 1.2.3

Author: jau123

.claude-plugin/marketplace.json

@@ -9,7 +9,7 @@
       "name": "meigen",
       "source": "./plugin",
       "description": "MeiGen MCP: AI-powered visual creative expert — search inspiration, enhance prompts, and generate images",
-      "version": "1.2.2",
+      "version": "1.2.3",
       "author": {
         "name": "MeiGen"
       },

README.md

@@ -215,7 +215,7 @@ Run generation on your own GPU with full control over models, samplers, and work
 
 ### MeiGen Cloud
 
-Cloud API with multiple models: Nanobanana Pro, GPT image 1.5, Seedream 4.5, and more. No GPU required.
+Cloud API with multiple models: Nanobanana 2, Seedream 5.0, GPT image 1.5, and more. No GPU required.
 
 **Get your API token:**
 1. Sign in at [meigen.ai](https://www.meigen.ai)

README.zh-CN.md

@@ -215,7 +215,7 @@ MeiGen MCP 支持三种图片生成后端，可以配置一个或多个 — 系
 
 ### MeiGen 云端
 
-云端 API，支持多种模型：Nanobanana Pro、GPT image 1.5、Seedream 4.5 等。无需 GPU。
+云端 API，支持多种模型：Nanobanana 2、Seedream 5.0、GPT image 1.5 等。无需 GPU。
 
 **获取 API Token：**
 1. 登录 [meigen.ai](https://www.meigen.ai)

openclaw/SKILL.md

@@ -1,6 +1,6 @@
 ---
 name: creative-toolkit
-description: Generate images from text with multi-provider routing — supports Nanobanana Pro, GPT Image, Seedream, and local ComfyUI workflows. Includes 1,300+ curated prompts and style-aware prompt enhancement. Use when users want to create images, design assets, enhance prompts, or manage AI art workflows.
+description: Generate images from text with multi-provider routing — supports Nanobanana 2, Seedream 5.0, GPT Image, and local ComfyUI workflows. Includes 1,300+ curated prompts and style-aware prompt enhancement. Use when users want to create images, design assets, enhance prompts, or manage AI art workflows.
 version: 1.0.4
 homepage: https://github.com/jau123/MeiGen-AI-Design-MCP
 metadata: {"clawdbot":{"emoji":"🎨","requires":{"bins":["mcporter"],"env":["MEIGEN_API_TOKEN"]},"primaryEnv":"MEIGEN_API_TOKEN"}}
@@ -190,7 +190,7 @@ Semantic search understands intent — "dreamy portrait with soft light" finds r
 
 | | MeiGen Platform | OpenAI-Compatible | ComfyUI (Local) |
 |---|---|---|---|
-| **Models** | Nanobanana Pro, GPT Image 1.5, Seedream 4.5, etc. | Any model at the endpoint | Any checkpoint on your machine |
+| **Models** | Nanobanana 2, Seedream 5.0, GPT Image 1.5, etc. | Any model at the endpoint | Any checkpoint on your machine |
 | **Reference images** | Native support | gpt-image-1.5 only | Requires LoadImage node |
 | **Concurrency** | Up to 4 parallel | Up to 4 parallel | 1 at a time (GPU constraint) |
 | **Latency** | 10-30s typical | Varies by provider | Depends on hardware |

package.json

@@ -1,6 +1,6 @@
 {
   "name": "meigen",
-  "version": "1.2.2",
+  "version": "1.2.3",
   "description": "Visual creative expert plugin — search inspiration, enhance prompts, and generate AI images with intelligent workflow orchestration",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

plugin/.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "meigen",
   "description": "Visual creative expert — search inspiration, enhance prompts, and generate AI images with intelligent workflow orchestration",
-  "version": "1.2.0",
+  "version": "1.2.3",
   "author": {
     "name": "MeiGen",
     "url": "https://www.meigen.ai"

plugin/skills/setup/SKILL.md

@@ -46,7 +46,7 @@ Present these options to the user:
 
 ### Option A: MeiGen Platform (Recommended)
 
-- Supports **Nanobanana Pro**, **GPT image 1.5**, **Seedream 4.5** and more
+- Supports **Nanobanana 2**, **Seedream 5.0**, **GPT image 1.5** and more
 - Reference image support for style transfer
 - No additional accounts needed — just get a token from meigen.ai
 

src/server.ts

@@ -196,7 +196,7 @@ export function createServer() {
   const apiClient = new MeiGenApiClient(config)
 
   const server = new McpServer(
-    { name: 'meigen', version: '1.2.2' },
+    { name: 'meigen', version: '1.2.3' },
     { instructions: SERVER_INSTRUCTIONS },
   )
 

src/tools/generate-image.ts

@@ -25,6 +25,9 @@ import {
 import { Semaphore } from '../lib/semaphore.js'
 import { addRecentGeneration } from '../lib/preferences.js'
 
+// Default model for MeiGen provider when user doesn't specify one
+const MEIGEN_DEFAULT_MODEL = 'nanobanana-2'
+
 // Concurrency control: ComfyUI serial (local GPU), API max 4 parallel
 const apiSemaphore = new Semaphore(4)
 const comfyuiSemaphore = new Semaphore(1)
@@ -91,7 +94,7 @@ export function registerGenerateImage(server: McpServer, apiClient: MeiGenApiCli
         return {
           content: [{
             type: 'text' as const,
-            text: 'No image generation providers configured.\n\nQuickest way to start:\n1. Get a MeiGen API token at https://www.meigen.ai (sign in → avatar → Settings → API Keys)\n2. Run /meigen:setup and paste your token\n\nOr configure one of:\n- MEIGEN_API_TOKEN: MeiGen platform (Nanobanana Pro, GPT image 1.5, Seedream 4.5)\n- OPENAI_API_KEY: OpenAI/compatible API (gpt-image-1.5, etc.)\n- Import a ComfyUI workflow for local GPU generation',
+            text: 'No image generation providers configured.\n\nQuickest way to start:\n1. Get a MeiGen API token at https://www.meigen.ai (sign in → avatar → Settings → API Keys)\n2. Run /meigen:setup and paste your token\n\nOr configure one of:\n- MEIGEN_API_TOKEN: MeiGen platform (Nanobanana 2, Seedream 5.0, GPT image 1.5)\n- OPENAI_API_KEY: OpenAI/compatible API (gpt-image-1.5, etc.)\n- Import a ComfyUI workflow for local GPU generation',
           }],
           isError: true,
         }
@@ -201,7 +204,7 @@ async function generateWithMeiGen(
   // 1. Submit generation request
   const genResponse = await apiClient.generateImage({
     prompt,
-    modelId: model,
+    modelId: model || MEIGEN_DEFAULT_MODEL,
     aspectRatio: aspectRatio || '1:1',
     referenceImages,
   })
@@ -241,10 +244,10 @@ async function generateWithMeiGen(
 
   const savedPath = saveImageLocally(base64, mimeType)
 
-  addRecentGeneration({ prompt, provider: 'meigen', model: model || 'default', aspectRatio })
+  addRecentGeneration({ prompt, provider: 'meigen', model: model || MEIGEN_DEFAULT_MODEL, aspectRatio })
 
   const lines = [`Image generated successfully.`]
-  lines.push(`- Provider: MeiGen (model: ${model || 'default'})`)
+  lines.push(`- Provider: MeiGen (model: ${model || MEIGEN_DEFAULT_MODEL})`)
   lines.push(`- Image URL: ${status.imageUrl}`)
   if (savedPath) lines.push(`- Saved to: ${savedPath}`)
   lines.push(`\nYou can use the Image URL as referenceImages for follow-up generation.`)