MPP / Tempo The Nansen API supports three paid-access rails: API key, x402 (handled by ), and MPP via Tempo (handled by the separate tempo CLI). This skill covers the third. does not sign MPP credentials. Use this skill when the user wants to call the Nansen API through because they already use tempo, want micropayments without managing wallet keys themselves, or don't want to fund a Base/Solana USDC wallet. For API-key auth, see . For x402 micropayment with a local wallet, see / . When to use this skill - User says "MPP", "tempo", "Authorization: Payment", or "Payment-Receipt". - User has no…