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MCP servers/AI & LLM Tools
true402 avatar

Mcp Server

dev.true402/mcp-server

This is a pay-per-call MCP server that runs AI and web tooling through x402's micropayment layer on Base. You get LLM capabilities, SEO analysis, web extraction, and on-chain token safety checks, all paid for in USDC per request rather than through a subscription. Reach for this if you want Claude to access premium API functionality without managing multiple service accounts or you're building something where usage-based pricing over crypto rails makes more sense than traditional billing. The x402 protocol handles the payments, so each tool call settles on-chain as it executes.

last updated
Jun 8, 2026
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Configuration

WALLET_PRIVATE_KEYsecret

Funded Base wallet private key for x402 payment signing (optional; without it, paid tools return the 402 requirements).

SERVER_URL

true402 API base (default https://true402.dev/api). Must be https (or localhost) — the signer refuses to send a payment over cleartext.

MAX_PAYMENT_USDC

Client-side per-call spend ceiling in USDC (default 0.10). The signer refuses to auto-pay a 402 whose amount exceeds this — protects the wallet from a hostile endpoint.

Details

Categories
AI & LLM Tools, Search & Web Crawling
Package
@true402.dev/mcp-server
Transport
STDIO
Auth
Required
Registry
MCP registry, active

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