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Supports UIby mikechao
Developer tool for testing image uploads and model context updates across MCP hosts.
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Works in:ChatGPT
Exposes:ToolsResources
What it does
Provides an interactive UI widget for uploading images (PNG, JPEG, WebP) and sending accompanying text directly into the model's context. It acts as a testbed to validate how different MCP hosts handle image payloads and context updates.
Key features
- Dual-host support for ChatGPT and standard MCP App SDK widgets.
- Automatic image normalization (e.g., WebP to PNG) for model compatibility.
- Editable payload text to verify content delivery alongside images.
- Direct integration with
updateModelContextfor seamless host updates.
Installation
- ChatGPT: Use the provided ChatGPT adapter via the developer mode widget.
- MCP Hosts: Connect to the local endpoint
http://127.0.0.1:3000/mcp.
Supported hosts
- ChatGPT
Quick install
pnpm install file-upload-mcp-serverInformation
- Pricing
- free
- Published
- 5/28/2026
- stars
