Swaps one token for another using the Symphony protocol, with optional parameters for routing and execution.
AI agents use swap_on_symphony_advanced to commit financial operations through SEI MCP Server V2 — usually the final step of a payment, billing, or trading workflow. A call moves real money.
Token swaps on a DeFi protocol involve moving assets of real financial value. A misuse could result in significant financial loss through unfavorable trades, slippage exploitation, or draining of funds. The 'advanced' nature with routing options increases the blast radius. This clearly falls under Financial as it moves crypto assets.
From the tool's definition 'Swaps one token for another using the Symphony protocol' — directly executes token swaps on a DeFi protocol, committing financial transactions on-chain.
Attacks that exploit this kind of access
Swaps one token for another using the Symphony protocol, with optional parameters for routing and execution. It is categorised as a Financial tool in the SEI MCP Server V2 MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the SEI MCP Server V2 MCP server in PolicyLayer and add a rule for swap_on_symphony_advanced: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches SEI MCP Server V2. Nothing to install.
swap_on_symphony_advanced is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the swap_on_symphony_advanced rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for swap_on_symphony_advanced. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
swap_on_symphony_advanced is provided by the SEI MCP Server V2 MCP server (testinguser1111111/sei-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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