Used to create your Coinbase MPC wallet address. The newly created wallet cannot be used directly; the user must first deposit USDC. The transfer after creation requires user confirmation
AI agents use create_coinbase_mpc_wallet to create or update resources in BNB Chain MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your BNB Chain MCP environment.
This tool creates a new MPC wallet, which is a Write operation (creating a new data/account entity). While it exists in a financial ecosystem, the tool itself does not move money or commit financial obligations — it merely provisions a wallet. The creation is reversible in the sense that no funds are moved, and user confirmation is required for subsequent transfers.
From the tool's definition 'create your Coinbase MPC wallet address' — creates a new wallet entity; 'newly created wallet cannot be used directly; the user must first deposit USDC' confirms this is a creation/write action with no immediate financial movement
Documented attack patterns abuse exactly the kind of access create_coinbase_mpc_wallet 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_coinbase_mpc_wallet:
{
"version": "1",
"default": "deny",
"tools": {
"create_coinbase_mpc_wallet": {
"limits": [
{
"counter": "create_coinbase_mpc_wallet_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create_coinbase_mpc_wallet stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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Used to create your Coinbase MPC wallet address. The newly created wallet cannot be used directly; the user must first deposit USDC. The transfer after creation requires user confirmation. It is categorised as a Write tool in the BNB Chain MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the BNB Chain MCP server in PolicyLayer and add a rule for create_coinbase_mpc_wallet: 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_coinbase_mpc_wallet is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the create_coinbase_mpc_wallet 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_coinbase_mpc_wallet. 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_coinbase_mpc_wallet 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.