Create payment link/URL where customer chooses cryptocurrency. USE AS DEFAULT WHEN: User requests payment without specifying crypto. Customer clicks link and selects their preferred cryptocurrency from available options. RESULT: Returns a web_url that you share with your customer. EXAMPLES:
AI agents use create_payment_link to commit financial operations through BNB Chain MCP — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool commits financial obligations by generating payment infrastructure that enables customers to transfer cryptocurrency funds. Even though the customer must choose and confirm their payment method, the tool creates the mechanism to conduct financial transactions. This is a Financial category tool (highest severity tier) because it moves money or commits financial obligations.
From the tool's definition Tool creates payment links for cryptocurrency transactions. Description states 'Create payment link/URL where customer chooses cryptocurrency' and 'Customer clicks link and selects their preferred cryptocurrency.' This directly facilitates financial…
Documented attack patterns abuse exactly the kind of access create_payment_link gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and BNB Chain MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for create_payment_link:
{
"version": "1",
"default": "deny",
"tools": {
"create_payment_link": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}Any call to create_payment_link is blocked until a human approves it. The rest of the server keeps working.
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Create payment link/URL where customer chooses cryptocurrency. USE AS DEFAULT WHEN: User requests payment without specifying crypto. Customer clicks link and selects their preferred cryptocurrency from available options. RESULT: Returns a web_url that you share with your customer. EXAMPLES:. It is categorised as a Financial tool in the BNB Chain MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the BNB Chain MCP server in PolicyLayer and add a rule for create_payment_link: 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 BNB Chain MCP. Nothing to install.
create_payment_link 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 create_payment_link 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 create_payment_link. 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.
create_payment_link is provided by the BNB Chain MCP server (nirholas/bnbchain-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 1240 BNB Chain MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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1240 BNB Chain MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.