Kleos

@shobhit1kapoor·Shobhit Kapoor·added 2026-07-19

Kleos is a settlement layer for grounded AI answers. Buyer agents browse a priced source catalog, pay a read toll to inspect creator content, then pay a second citation toll for the sources actually used — each receipt records the answer hash, support span, payments, and split outcome. The Next.js/TypeScript app implements the full surface under src/app/api: x402-style 402 challenges on content routes, an encrypted vault with post-payment AES-GCM key release, budget-capped spend permits at api/agents/spend-permits, and a JSON-RPC MCP endpoint plus a stdio bridge in packages/kleos-mcp. Solidity contracts contracts/SourceRegistry.sol and contracts/RoyaltySplitter.sol anchor source registration and creator royalty splits on Arc.