buy_token

THE RISK

Critical Risk

Why buy_token needs a policy

This tool moves real cryptocurrency (SOL) to acquire tokens, constituting a live financial transaction on Solana blockchain. The server description explicitly states 'live trading' and 'real DeFi operations.' Misuse could result in irreversible financial loss through unauthorized purchases, making this a critical-severity Financial category tool.

From the tool's definition 'Buy a token using SOL' — directly executes a financial transaction purchasing a token asset using SOL cryptocurrency on a live DeFi platform

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

POLICY

How to control buy_token

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

policy.json

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

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

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

GATE THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Boosty MCP DeFi Platform tools

Financial execute_swap Execute a token swap via Jupiter aggregator Financial consolidate_funds Consolidate SOL from multiple wallets into a single target wallet Financial distribute_funds Distribute SOL from a source wallet to multiple target wallets Financial sell_token Sell a token for SOL Destructive delete_wallet Delete a wallet (must have zero balance) Execute execute_batch_swaps Execute multiple swaps in sequence or parallel Execute start_bot Start a bot Execute start_campaign Start a volume campaign

All 80 Boosty MCP DeFi Platform tools →

Financial tools on other servers

0xarchive web3_subscribe Math MCP Server financial_calculator MCP Kling generate_video MCP Uber Server uber_request_ride

Go deeper

Critical-risk tools in Boosty MCP DeFi Platform → 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 buy_token

What does the buy_token tool do? +

Buy a token using SOL. It is categorised as a Financial tool in the Boosty MCP DeFi Platform MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on buy_token? +

Register the Boosty MCP DeFi Platform MCP server in PolicyLayer and add a rule for buy_token: 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 Boosty MCP DeFi Platform. Nothing to install.

What risk level is buy_token? +

buy_token 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 buy_token? +

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

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

buy_token is provided by the Boosty MCP DeFi Platform MCP server (nirholas/boosty). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Boosty MCP DeFi Platform tool call.

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

CHECK YOUR STACK →