Subscribe SOL Staking API allows users to stake SOL and receive BNSOL in return. This endpoint requires specifying the amount of SOL to stake, and the response includes the equivalent BNSOL amount and exchange rate for SOL to BNSOL.
AI agents use BinanceSubscribeSolStaking 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 executes a staking transaction where real SOL tokens are committed/locked in exchange for BNSOL tokens. This is a financial operation involving cryptocurrency assets with real monetary value. Misuse could result in unintended staking of user funds, which may have lock-up periods and financial consequences, making it critical severity.
From the tool's definition 'stake SOL and receive BNSOL in return' — commits a financial staking operation involving cryptocurrency assets
Documented attack patterns abuse exactly the kind of access BinanceSubscribeSolStaking 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 BinanceSubscribeSolStaking:
{
"version": "1",
"default": "deny",
"tools": {
"BinanceSubscribeSolStaking": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}Any call to BinanceSubscribeSolStaking is blocked until a human approves it. The rest of the server keeps working.
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Subscribe SOL Staking API allows users to stake SOL and receive BNSOL in return. This endpoint requires specifying the amount of SOL to stake, and the response includes the equivalent BNSOL amount and exchange rate for SOL to BNSOL. 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 BinanceSubscribeSolStaking: 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.
BinanceSubscribeSolStaking 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 BinanceSubscribeSolStaking 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 BinanceSubscribeSolStaking. 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.
BinanceSubscribeSolStaking 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.
Free to start. No card required.
1240 BNB Chain MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.