GPTProto Docs MCP

MCP (Model Context Protocol) server for accessing GPTProto API documentation directly from Claude Code and other MCP-compatible clients.

Features

- Search - Find API documentation by keywords
- Get - Retrieve full documentation for specific APIs
- List - Browse available APIs by vendor
- Auto-update - Automatically fetches latest documentation (no npm update needed!)

Supported Vendors

| Vendor | Models |
|--------|--------|
| OpenAI | GPT-4.1, GPT-4o, GPT-5, DALL-E, Sora, o3, o4 |
| Google | Gemini 2.0/2.5/3, Veo3 |
| Claude | Claude 3.5, Claude Opus 4, Claude Sonnet 4 |
| Others | DeepSeek, Doubao, Flux, Grok, Ideogram, Kling, Midjourney, MiniMax, Runway, Suno, Higgsfield, Alibaba |

Installation

$3

Add to your Claude Code MCP settings (~/.claude.json):

``json
{
"mcpServers": {
"gptproto-docs": {
"command": "npx",
"args": ["-y", "gptproto-docs-mcp@latest"]
}
}
}
`

$3

`bash
npx gptproto-docs-mcp
`

Usage

Once configured, you can ask Claude questions like:

- "How do I use the GPT-4o API for image generation?"
- "Show me the Claude API documentation for text generation"
- "List all available Gemini models"

$3

The MCP provides a single tool with three actions:

#### Search

Find documentation by keywords:

`json
{
"action": "search",
"query": "gpt-4o image"
}
`

#### Get Document

Retrieve full documentation content:

`json
{
"action": "get",
"path": "docs/allapi/OpenAI/gpt-4o/official-format/text-to-text-chat"
}
`

#### List APIs

Browse available APIs by vendor:

`json
{
"action": "list",
"vendor": "OpenAI"
}
`

Resources

The MCP also exposes these resources:

| Resource | Description |
|----------|-------------|
| gptproto://docs-index | Complete API documentation index |
| gptproto://quickstart | Quick start guide |
| gptproto://authentication | Authentication guide |

How Updates Work

This MCP uses dynamic loading - documentation is fetched from GitHub at runtime:

- No npm update needed when docs change
- 1-hour cache for performance
- Automatic offline fallback

Environment Variables

| Variable | Description |
|----------|-------------|
| GPTPROTO_DOCS_INDEX_URL` | Custom URL for the docs index (overrides default) |

Links

- GPTProto Documentation
- GPTProto API

License

MIT