Subscribe ETH Staking API allows users to stake ETH and receive WBETH, providing the staked amount and the conversion ratio for ETH to WBETH.
AI agents use BinanceSubscribeEthStaking to commit financial operations through Binance MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool stakes ETH (a real financial asset) and converts it to WBETH, committing the user's funds to a staking contract. This constitutes a financial obligation and movement of crypto assets, making it Financial category. Misuse could lock user funds irreversibly in staking, warranting critical severity.
From the tool's definition Subscribe ETH Staking API allows users to stake ETH and receive WBETH, providing the staked amount and the conversion ratio for ETH to WBETH
Documented attack patterns abuse exactly the kind of access BinanceSubscribeEthStaking gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Binance MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for BinanceSubscribeEthStaking:
{
"version": "1",
"default": "deny",
"tools": {
"BinanceSubscribeEthStaking": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
} Any call to BinanceSubscribeEthStaking is blocked until a human approves it. The rest of the server keeps working.
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Subscribe ETH Staking API allows users to stake ETH and receive WBETH, providing the staked amount and the conversion ratio for ETH to WBETH. It is categorised as a Financial tool in the Binance MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Binance MCP Server MCP server in PolicyLayer and add a rule for BinanceSubscribeEthStaking: 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 Binance MCP Server. Nothing to install.
BinanceSubscribeEthStaking 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 BinanceSubscribeEthStaking 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 BinanceSubscribeEthStaking. 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.
BinanceSubscribeEthStaking is provided by the Binance MCP Server MCP server (termix-official/binance-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 160 Binance MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
160 Binance MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.