x402 Micropayments MCP
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| UPGRADE_URL | No | Commerce tier upgrade link | |
| SWARM_MARKUP | No | Markup multiplier for swarm composite pricing | |
| CDP_API_KEY_ID | No | Coinbase CDP facilitator credential ID (verify + settle on eip155:8453) | |
| EVM_PRIVATE_KEY | No | Buyer wallet private key for pay_and_fetch. Never set on a public seller host. | |
| SVM_PRIVATE_KEY | No | Solana private key for multi-chain signer | |
| X402_LIVE_TESTS | No | Set to '1' to run live tests against x402.org | |
| STRIPE_SECRET_KEY | No | Stripe secret key for fiat payment rail | |
| CDP_API_KEY_SECRET | No | Coinbase CDP facilitator credential secret | |
| SWARM_SELL_NETWORK | No | Network to list products on. Set 'eip155:8453' for Base mainnet (default: Base Sepolia) | |
| X402_PAY_TO_ADDRESS | No | Recipient wallet — all x402 sales settle here | |
| SWARM_TARGET_LTV_CAC | No | Target LTV:CAC ratio for swarm pricing | |
| X402_FACILITATOR_URL | No | x402 facilitator URL. Default: https://x402.org/facilitator | |
| STRIPE_WEBHOOK_SECRET | No | Stripe webhook signature verification secret | |
| MN_PROPERTY_CHECK_PRICE | No | Price in USD for the MN property check resource |
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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