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Engineering
Sealion
A market simulation framework with LLM traders, a matching engine, and SQLite session storage.
- Disciplines
- Market simulationAgent systems
Context
Sealion provides an environment for trying LLM trader behavior. Agents receive simulation state, choose actions, and meet other traders through an exchange; orders and prices belong to the same simulated environment.
Architecture
Scenario wraps SealionEnv and its reset, step, and close lifecycle. TraderGraph organizes agents and profiles; Channel connects traders to the Exchange and matching engine. SQLite stores sessions, while Mastra supplies model integrations for agent decisions.
Technical stack
TypeScript
Bun
Mastra
SQLite
Implementation
- A trader graph connects agents, profiles, and actions within a simulation.
- Price simulators and a matching engine work with model providers supported by Mastra.