stake

THE RISK

Critical Risk

Why stake needs a policy

This tool commits real cryptocurrency (SOL) into a staking protocol, exchanging it for a derivative token (JitoSOL). This constitutes a financial commitment of on-chain assets. While described as having no lock-up, it irreversibly converts SOL into a different asset (JitoSOL) and involves financial obligations/transactions on-chain. Financial category applies as it moves/commits crypto assets.

From the tool's definition Stake SOL to receive JitoSOL via Jito Stake Pool (DepositSol)

Documented attack patterns abuse exactly the kind of access stake gives an agent:

POLICY

How to control stake

PolicyLayer is an MCP gateway — it sits between your AI agents and Waiaas, and nothing reaches the server without passing your rules. This is the rule we recommend for stake:

policy.json

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

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

Create a free account and register Waiaas — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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Free to start. No card required.

EXPLORE

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Go deeper

Critical-risk tools in Waiaas → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Human-in-the-loop → When a tool call should wait for a person — and when policy can decide alone.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

Questions about stake

What does the stake tool do? +

Stake SOL to receive JitoSOL via Jito Stake Pool (DepositSol). Immediate, no lock-up. It is categorised as a Financial tool in the Waiaas MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on stake? +

Register the Waiaas MCP server in PolicyLayer and add a rule for stake: 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 Waiaas. Nothing to install.

What risk level is stake? +

stake 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 stake? +

Yes. Add a rate_limit block to the stake 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 stake completely? +

Set action: deny in the PolicyLayer policy for stake. 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 stake? +

stake is provided by the Waiaas MCP server (minhoyoo-iotrust/waiaas). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Waiaas tool call.

Start from Waiaas, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →