Keyring

The auth rail every MCP product runs on.

Built by Viral Ventures

What It Does

API key issuance on Stripe payment
Sub-50ms key validation via Cloudflare KV
Instant revocation on cancellation
Product isolation — one key per product, no cross-auth

How It Works

Register your product via ForgeForge provisions your product in Keyring automatically.
Forge auto-wires Keyring auth into your scaffoldYour MCP server ships with auth built in from day one.
Your users pay → Keyring issues keys → you validate with one POSTStripe webhook triggers issuance. You call /validate. Done.

Integration Example

# Validate a key
POST https://keyring.build/validate
X-Keyring-Secret: your_product_secret
{"key": "vv_live_...", "product": "your-product"}

→ Response
{"valid": true, "tier": "pro", "product": "your-product"}
  

Pricing

$29/mo

per registered product

+ 0.5% transaction fee on subscriber payments

Key issuance on payment
Sub-50ms validation
Instant revocation
Transactional email delivery
Admin dashboard