MCP Test Agent

A chat UI for testing MCP (Model Context Protocol) servers with AI providers (Anthropic, OpenAI, Gemini) and M2M Stripe payments for paid tools.

Setup

Environment Variables

Add these to your Vercel project settings:

Variable	Required	Description
ANTHROPIC_API_KEY	For Anthropic	Anthropic API key
OPENAI_API_KEY	For OpenAI	OpenAI API key
GOOGLE_API_KEY	For Gemini	Google AI API key
DATABASE_URL	Yes	PostgreSQL connection string
STRIPE_SECRET_KEY	For payments	Stripe secret key
STRIPE_CUSTOMER_ID	For payments	Stripe customer ID for the agent
STRIPE_PAYMENT_METHOD_ID	Optional	Default payment method ID
WALLET_DAILY_LIMIT_CENTS	Optional	Daily spend limit (default: 500¢)
WALLET_PER_CALL_LIMIT_CENTS	Optional	Per-call limit (default: 200¢)
AGENT_ID	Optional	Agent identifier (default: simple-ai-agent)
PAYMENT_PROVIDER	Optional	Payment provider name (default: stripe)

Development

npm install
npm run dev

Deploy

Deploy to Vercel — it auto-detects the Vite frontend and the api/ serverless functions.