Cortex402
Pay per API call with USDC on Base so your agent can pull sanctions, aviation weather, or US property data without a traditional SaaS subscription.
Overview
cortex402 is an MCP server for the Build phase that signs USDC x402 payments on Base for per-call sanctions, aviation weather, and US property data.
What is this MCP server?
- x402 pay-per-call on Base mainnet—EIP-3009 transferWithAuthorization per request
- Documented products: sanctions screening, aviation weather, US property lookups
- npm stdio package cortex402-mcp v0.2.0 with CORTEX402_WALLET_PRIVATE_KEY required
- Default CORTEX402_MAX_PAYMENT_USDC 5.00 with documented per-product prices ($0.50 / $0.10 / $2.00)
- API base defaults to https://cortex402.vercel.app with optional override for staging
- Package version 0.2.0 npm identifier cortex402-mcp
- 3 named data product categories in description
- Default max payment 5.00 USDC; example prices sanctions $0.50, aviation $0.10, property $2.00
What problem does it solve?
Agents cannot access metered commercial or compliance-grade datasets without you wiring payments, wallets, and API auth by hand.
Who is it for?
Builders prototyping compliance, aviation, or real-estate features who accept crypto micropayments on Base mainnet.
Skip if: Teams that cannot use private keys in dev environments, need flat-rate enterprise data contracts, or want free public-only datasets only.
What do I get? / Deliverables
After configuring a funded Base USDC wallet, your agent can fetch paid Cortex402 data products with automatic per-call authorization.
- Agent-callable sanctions, aviation weather, and US property data responses
- Per-call signed USDC payments within configured max ceiling
Recommended MCP Servers
Journey fit
Paid external data feeds are integrated during Build when backend logic, compliance checks, or enrichment pipelines need live third-party datasets. integrations is the shelf for x402 wallet-signed calls and external data products wired into your app or agent workflows.
How it compares
Wallet-metered data MCP on Base, not a free open-government bulk download skill.
Common Questions / FAQ
Who is cortex402 for?
Solo developers and agent builders who need sanctions, aviation weather, or US property data via x402 USDC payments on Base.
When should I use cortex402?
Use it during Build integrations when your feature needs live paid data and you want the agent to call Cortex402 without custom payment code each time.
How do I add cortex402 to my agent?
Install npm cortex402-mcp 0.2.0, set CORTEX402_WALLET_PRIVATE_KEY for a Base USDC wallet, optionally tune CORTEX402_MAX_PAYMENT_USDC, and register the stdio server in your MCP config.