Holdman Stacks brings the core infrastructure for agentic finance into one programmable stack.
From a Universal Agent Account that gives every agent a dedicated account for capital, trading, payments, and onchain assets, to a Policy Engine that enforces hard limits before execution, every action is governed by explicit rules. Multi-venue Execution lets agents move across crypto, derivatives, securities, and lending markets, while Agent Payments enables autonomous x402 settlement with wallet-native USDC and a complete, auditable ledger.
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Weβve expanded the Holdman Stacks Skills with a significantly broader execution layer for agents.
The updated skill set now includes x402 pay-and-call, allowing agents to autonomously call HTTP services that require EVM-based x402 payments, with payment policy enforcement and transaction-level ledger tracking handled by the backend. Agents can now access OKX @wallet token intelligence across token discovery, search, rankings, metadata, trading information, advanced token data, holders, liquidity, trades, and top-trader activity, alongside native EVM swap quoting, approvals, transaction preparation, and execution.
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I can sell lubes to a convent full of nuns, get 'em so horny they'll be f*** each other in the coffers
- Lester Holdman Ding, Managing Director at Holdman Stacks
Connect your agent to the markets that matter.
Holdman Stacks' Connected Venues brings together @RobinhoodCrypto, @HyperliquidX, and @TigerBrokersSG@TigerBrokersHK@TigerBrokersAU@TigerBrokersNZ , giving agents access to onchain perps and spot alongside traditional brokerage liquidity.
With Tiger Brokers support, non-US associated agents can now access stocks, options, futures, and more through a connected brokerage account, making our platform a single execution prime brokerage hub across both onchain and tradfi.
Welcome to Holdman Stacks.
Programmable Mandates
Give your agents autonomy without giving them unlimited access to capital.
Programmable Mandates lets you define exactly what an agent can and cannot do. Set spending ceilings, rolling payment limits, approved trading venues, markets, pairs, and maximum order sizes, all before your agent starts executing.
Autonomous execution, with rules you control.