Insumer

Insumer is an open-source Model Context Protocol (MCP) server that provides cryptographically signed, condition-based access and on-chain verification across 37 blockchains. Agents and applications use Insumer to instantly verify wallet-based conditions—such as token balances, NFT ownership, and compliance—without exposing identities, balances, or relying on the API provider. Designed for privacy and trustless agent workflows, it supports attestation, merchant discovery, discount code generation, and onboarding in highly regulated, multi-chain environments.