Grok Image MCP
MCP server for generating and editing images using xAI's Grok image model, supporting text prompts, batch generation, local files, and optional proxy configurations.
README
Grok Image MCP
<a id="english"></a>
An MCP (Model Context Protocol) server for image generation and editing using the Grok image model from xAI.
Note: This package was previously published as
grok2-image-mcp-server. That package is now deprecated — please usegrok-image-mcpinstead.
Features
- Image Generation — Generate images from text prompts with configurable aspect ratio, resolution, and batch count
- Image Editing — Edit existing images with natural language instructions, supporting 1–3 source images
- Local File Support — Provide local image paths for editing; the server reads and encodes them automatically
- Image Proxy — Optional proxy domain for
imgen.x.aito handle network restrictions - HTTP Proxy — Optional network proxy for API requests
Installation
Using npx (recommended)
{
"mcpServers": {
"grok_image": {
"command": "npx",
"args": ["grok-image-mcp"],
"env": {
"XAIAPI_KEY": "your-xai-api-key"
}
}
}
}
Tools
generate_image
Generate images from text prompts.
| Parameter | Type | Required | Description |
|---|---|---|---|
prompt |
string | ✅ | Text description of the image to generate |
n |
number | Number of images (1–10, default 1) | |
aspect_ratio |
string | Aspect ratio (1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3, 2:1, 1:2, auto, etc.) |
|
resolution |
string | Resolution (1k or 2k, default 1k) |
edit_image
Edit existing images using a text prompt.
| Parameter | Type | Required | Description |
|---|---|---|---|
prompt |
string | ✅ | Text description of the desired edits |
image_urls |
string[] | ✅ | 1–3 source images: URLs, base64 data URIs, or local file paths |
n |
number | Number of output images (1–10, default 1) | |
aspect_ratio |
string | Override output aspect ratio (default: follows first input image) | |
resolution |
string | Resolution (1k or 2k, default 1k) |
Environment Variables
| Variable | Required | Description |
|---|---|---|
XAIAPI_KEY |
✅ | xAI API key |
XAIAPI_BASE_URL |
API base URL (default: https://api.x.ai/v1). Use a proxy if the API is inaccessible |
|
IMAGE_PROXY_DOMAIN |
Proxy domain to replace imgen.x.ai in returned image URLs |
|
HTTP_PROXY |
HTTP/HTTPS proxy for API requests (e.g. http://127.0.0.1:7890) |
Proxy Examples
API proxy:
XAIAPI_BASE_URL=https://api-proxy.me/xai/v1
Image proxy:
IMAGE_PROXY_DOMAIN=https://image.proxy.workers.dev
Network proxy:
HTTP_PROXY=http://127.0.0.1:7890
Using Cloudflare Workers to Proxy Image URLs
If image URLs from imgen.x.ai are inaccessible, deploy a Cloudflare Worker as a reverse proxy and set IMAGE_PROXY_DOMAIN to your custom domain:
addEventListener('fetch', event => {
event.respondWith(handleRequest(event.request))
})
const TARGET_DOMAIN = 'imgen.x.ai'
async function handleRequest(request) {
const url = new URL(request.url)
const targetUrl = `https://${TARGET_DOMAIN}${url.pathname}${url.search}`
const init = {
method: request.method,
headers: request.headers,
body: request.method === 'GET' || request.method === 'HEAD' ? undefined : request.body,
redirect: 'follow'
}
const response = await fetch(targetUrl, init)
const newHeaders = new Headers(response.headers)
newHeaders.set('Access-Control-Allow-Origin', '*')
return new Response(response.body, {
status: response.status,
statusText: response.statusText,
headers: newHeaders
})
}
License
MIT
<a id="中文"></a>
注意: 此包的前身是
grok2-image-mcp-server,该包已弃用,请使用grok-image-mcp。
功能
- 图像生成 — 通过文本提示生成图像,可配置宽高比、分辨率和批量数量
- 图像编辑 — 使用自然语言编辑现有图像,支持 1–3 张源图
- 本地文件支持 — 可提供本地图片路径进行编辑,服务端自动读取并编码
- 图片代理 — 可选代理域名替换
imgen.x.ai,解决网络访问问题 - 网络代理 — 支持 HTTP/HTTPS 代理
安装
使用 npx(推荐)
{
"mcpServers": {
"grok_image": {
"command": "npx",
"args": ["grok-image-mcp"],
"env": {
"XAIAPI_KEY": "你的 xAI API 密钥"
}
}
}
}
工具
generate_image
通过文本提示生成图像。
| 参数 | 类型 | 必填 | 说明 |
|---|---|---|---|
prompt |
string | ✅ | 描述要生成的图像内容 |
n |
number | 生成数量(1–10,默认 1) | |
aspect_ratio |
string | 宽高比(1:1、16:9、9:16、4:3、3:4、3:2、2:3、2:1、1:2、auto 等) |
|
resolution |
string | 分辨率(1k 或 2k,默认 1k) |
edit_image
使用文本提示编辑现有图像。
| 参数 | 类型 | 必填 | 说明 |
|---|---|---|---|
prompt |
string | ✅ | 描述所需的编辑内容 |
image_urls |
string[] | ✅ | 1–3 张源图:URL、base64 data URI 或本地文件路径 |
n |
number | 输出图像数量(1–10,默认 1) | |
aspect_ratio |
string | 覆盖输出宽高比(默认跟随第一张输入图) | |
resolution |
string | 分辨率(1k 或 2k,默认 1k) |
环境变量
| 变量 | 必填 | 说明 |
|---|---|---|
XAIAPI_KEY |
✅ | xAI API 密钥 |
XAIAPI_BASE_URL |
API 基础地址(默认 https://api.x.ai/v1),可填写代理地址 |
|
IMAGE_PROXY_DOMAIN |
图片代理域名,替换返回 URL 中的 imgen.x.ai |
|
HTTP_PROXY |
HTTP/HTTPS 网络代理地址(如 http://127.0.0.1:7890) |
代理示例
API 代理:
XAIAPI_BASE_URL=https://api-proxy.me/xai/v1
图片代理:
IMAGE_PROXY_DOMAIN=https://image.proxy.workers.dev
网络代理:
HTTP_PROXY=http://127.0.0.1:7890
使用 Cloudflare Workers 代理图片 URL
如果 imgen.x.ai 的图片无法访问,可部署 Cloudflare Worker 反向代理,然后将 IMAGE_PROXY_DOMAIN 设为你的自定义域名:
addEventListener('fetch', event => {
event.respondWith(handleRequest(event.request))
})
const TARGET_DOMAIN = 'imgen.x.ai'
async function handleRequest(request) {
const url = new URL(request.url)
const targetUrl = `https://${TARGET_DOMAIN}${url.pathname}${url.search}`
const init = {
method: request.method,
headers: request.headers,
body: request.method === 'GET' || request.method === 'HEAD' ? undefined : request.body,
redirect: 'follow'
}
const response = await fetch(targetUrl, init)
const newHeaders = new Headers(response.headers)
newHeaders.set('Access-Control-Allow-Origin', '*')
return new Response(response.body, {
status: response.status,
statusText: response.statusText,
headers: newHeaders
})
}
许可证
MIT
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