fulfill_opensea_order

Fulfill an order for an asset (either a listing or an offer).

SERVERSEI MCP Server V2 SOURCEtestinguser1111111/sei-mcp-server

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/testinguser1111111-sei-mcp-server/fulfill-opensea-order.md

WHAT IT DOES

What fulfill_opensea_order does on SEI MCP Server V2

AI agents use fulfill_opensea_order 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.

RISK

Why fulfill_opensea_order is rated Critical

Fulfilling an OpenSea order constitutes a binding financial transaction: it transfers cryptocurrency/tokens in exchange for NFT assets. This is a financial commitment that cannot be undone once submitted to the blockchain, making it Financial category with critical severity due to potential for significant monetary loss if misused by an AI agent.

From the tool's definition 'Fulfill an order for an asset (either a listing or an offer)' — executing a marketplace order commits a financial transaction on-chain, transferring assets and/or funds irreversibly

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs fulfill_opensea_order safely

PolicyLayer is an MCP gateway: it sits between your AI agents and SEI MCP Server V2, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For fulfill_opensea_order, this is the rule to start with:

fulfill_opensea_order Approval-gated

Any call to fulfill_opensea_order is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "fulfill_opensea_order": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect SEI MCP Server V2, apply this rule, and every fulfill_opensea_order call is checked against it from then on.

FAQ

Questions about fulfill_opensea_order

What does the fulfill_opensea_order tool do? +

Fulfill an order for an asset (either a listing or an offer). 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.

How do I enforce a policy on fulfill_opensea_order? +

Register the SEI MCP Server V2 MCP server in PolicyLayer and add a rule for fulfill_opensea_order: 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.

What risk level is fulfill_opensea_order? +

fulfill_opensea_order is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit fulfill_opensea_order? +

Yes. Add a rate_limit block to the fulfill_opensea_order 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.

How do I block fulfill_opensea_order completely? +

Set action: deny in the PolicyLayer policy for fulfill_opensea_order. 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.

What MCP server provides fulfill_opensea_order? +

fulfill_opensea_order 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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