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PopNx MCPMCP servers for people who use AI · explained in plain words

Modelflare

by castaly-aiversion 0.1.2i★ –iRuns on your computer
Registry nameio.github.castaly-ai/mcp-server

Install

Overview

Description from the maker (original English)

Image and video generation with one Modelflare Smart API Key.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs on your computer
  • Transport: stdio
  • Category: Design, images & audio
  • You need to fill in: MODELFLARE_API_KEY

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on your computer with your user’s permissions (files, network, apps).
  • You fill in yourself: MODELFLARE_API_KEY, MODELFLARE_BASE_URL, MODELFLARE_OUTPUT_DIR

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

  • npmNode.js installed (for the npx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "castaly-ai": {
      "command": "npx",
      "args": [
        "-y",
        "@modelflare/mcp-server"
      ],
      "env": {
        "MODELFLARE_API_KEY": "your-value",
        "MODELFLARE_BASE_URL": "your-value",
        "MODELFLARE_OUTPUT_DIR": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add castaly-ai --env MODELFLARE_API_KEY=your-value --env MODELFLARE_BASE_URL=your-value --env MODELFLARE_OUTPUT_DIR=your-value -- npx -y @modelflare/mcp-server

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "castaly-ai": {
      "command": "npx",
      "args": [
        "-y",
        "@modelflare/mcp-server"
      ],
      "env": {
        "MODELFLARE_API_KEY": "your-value",
        "MODELFLARE_BASE_URL": "your-value",
        "MODELFLARE_OUTPUT_DIR": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "castaly-ai": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelflare/mcp-server"
      ],
      "env": {
        "MODELFLARE_API_KEY": "your-value",
        "MODELFLARE_BASE_URL": "your-value",
        "MODELFLARE_OUTPUT_DIR": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

  • MODELFLARE_API_KEY secret required env
    Modelflare Smart API Key (create one at https://modelflare.dev/keys)
  • MODELFLARE_BASE_URL env
    global (default), china, or a custom base URL
  • MODELFLARE_OUTPUT_DIR env
    Directory for generated images and videos (default ./modelflare-output)

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 8, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account castaly-ai, which owns the repo

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • – Not applicable

    Endpoint responds

    This one runs on your computer; there is no internet endpoint

  • – Not applicable

    Sign-in with OAuth

    Runs on your computer and uses local settings instead

  • … Not checked yet

    No hidden instructions in tool descriptions

    Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Design, images & audioi

  • More stars than 0% of the other 2756 servers in this category
  • Published to the registry more recently than 69% of the other 2756 servers in this category
  • Basic checks equal to or better than 100% of the other 2756 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Modelflare safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: MODELFLARE_API_KEY

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.1.2) reached the registry 15 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Figma Context MCP, Claude Real Video, Figma MCP Server

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Give your coding agent access to your Figma data. Implement designs in any framework in one-shot.

Runs on your computer★ 16,165MITUpdated 5 months ago
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Claude Real Video

by HUANGCHIHHUNGLeo

Let any LLM watch a video locally — and search everything it has ever watched.

Runs on your computer★ 2,284MITUpdated 2 months ago
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Figma’s official server gives AI your design data so it can turn designs into code or describe them accurately. Connects to Figma’s cloud.

Runs in the cloud★ 2,152Updated 13 months ago
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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Modelflare MCP Server

Image and video generation for any MCP client — Claude Desktop, Cursor, Gemini CLI and more — with one Modelflare Smart API Key for every image and video model available to your account.

用一个 Modelflare Smart API Key,在任意 MCP 客户端里调用你账号可用的全部图像和视频模型。

mcp-name: io.github.castaly-ai/mcp-server

Get a Smart API Key / 获取 Smart API Key

  1. Sign up / 注册: https://modelflare.dev/sign-up?utm_source=mcp-registry&utm_medium=plugin&utm_campaign=integrations
  2. Console → API Keys → Create Smart API Key, and pick a routing strategy (Balanced / Stability first / Low price first).

控制台 API Keys →「Create Smart API Key」,选择路由策略(均衡 / 稳定优先 / 低价优先)。

Configure / 配置

Add the server to your MCP client:

{

"mcpServers": { "modelflare": { "command": "npx", "args": ["-y", "@modelflare/mcp-server"], "env": { "MODELFLARE_API_KEY": " " } } } }

VariableValue
MODELFLARE_API_KEYyour Smart API Key (required)
MODELFLARE_BASE_URLglobal → https://modelflare.dev/v1 (default) · china → https://origin.modelflare.dev/v1 · or a custom URL
MODELFLARE_OUTPUT_DIRwhere images and videos are saved (default ./modelflare-output)
MODELFLARE_LOCALEen (default) or zh for error messages

Claude Desktop: download modelflare-mcp- .mcpb from Releases and open it; Claude Desktop asks for the API key, base URL and output folder. modelflare-mcp- -smithery.mcpb is the same bundle with each tool's inputSchema in the manifest, as Smithery requires. node build-mcpb.mjs rebuilds both.

Tools / 工具

ToolWhat it does
list_modelsImage and video models your key can call, each with the docs page holding its exact request fields. kind: "text" lists text models.
generate_imageGenerates an image, or edits one with edit: true, and saves it. Gemini image models use generateContent; the others use the Images API.
create_videoStarts an asynchronous video task and returns its task ID.
get_video_statusStatus and progress of a video task.
download_videoSaves a finished video; can wait up to 300 seconds first.

Model-specific fields go in parameters (images) or request (videos) and are sent unchanged. The model list comes from your key, so new models appear without editing the key. Generated results are saved right away because result URLs expire.

Calls are billed to your Modelflare balance by actual usage; see https://modelflare.dev/usage-logs.

Troubleshooting / 常见问题

  • 401: the key is missing or invalid. Create a Smart API Key at https://modelflare.dev/keys.
  • `model_not_found`: a regular key only calls the models of its own group. A Smart API Key calls every model available to your account. If you already use a Smart API Key, that model is not available to your account right now.
  • 403 `insufficient_user_quota`: top up at https://modelflare.dev/billing.

Links

Docs: https://docs.modelflare.dev/ · Pricing: https://modelflare.dev/pricing

Listed on the M8ven MCP Trust Index.

License

MIT © Havenbyte LLC

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