# TengineAI

## Summary

TengineAI is a hosted remote MCP (Model Context Protocol) server that connects AI assistants to external APIs and services. Provides production-ready MCP infrastructure, OAuth handling, API key management, and project-scoped access control.

## Canonical URLs

- Homepage: https://tengine.ai
- Documentation (authoritative technical source): https://tengine.ai/docs
- About: https://tengine.ai/about
- FAQ: https://tengine.ai/faq
- Pricing: https://tengine.ai/pricing

## Key Features

- OAuth handling (Google, Microsoft, Reddit)
- API key management with secure storage
- Project-scoped access control
- Production-ready FastMCP implementation
- Native MCP streaming support
- Tool permission system
- Real-time usage tracking
- Coming soon: Build your own tools for custom APIs

## Supported Connections

- MCP clients: Claude Desktop, Cursor, VS Code
- Programmatic: MCP SDKs (Python, Java, C#)

## Supported Services

- Google: Gmail, Calendar, Drive, Contacts
- Microsoft: Outlook, Calendar, OneDrive
- Ticketmaster: Event discovery
- Reddit: Posts, comments
- OpenWeather: Weather data

## Architecture

Built on FastMCP with native MCP streaming support for Claude 4+ and other MCP-compatible models.

## Pricing Tiers

- Free: 20 calls/day, 600/month
- Hobby: $9/month, 100 calls/day, 3,000/month
- Pro: $29/month, 10,000/month + overage
- Business: $99/month, 40,000/month + overage