Tychi launches self-custody wallet for AI agents with local key signing and policy controls
By
Yash Singh
Summary
Tychi is a self-custody wallet designed specifically for AI agents, offering a non-custodial alternative to typical custodial API-based agent wallets. It provides two interfaces (tyi-mcp for AI coding tools like Cursor/Claude, and tyi CLI) while keeping private keys and signing operations on the user's machine. Features include policy-based spending caps, multi-wallet support, gasless routing, and a human REPL interface on the same keystore.
Source
Key quotes
· 5 pulledTychi is a self-custody wallet built for AI agents with a human REPL on the same keystore.
Most agent 'wallets' are custodial APIs or read-only tools.
Keys stay on your machine; signing never leaves it.
Policy caps run before every onchain action.
Agent-native flow: route → status → fast wallet ops, or chat for balances/sends/payments.
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