get_swap_quote

THE RISK

Low Risk

Why get_swap_quote needs a policy

This tool retrieves swap pricing information for informational purposes only. It has no side effects—no funds are moved, no transactions are executed, and no state is modified. It is purely a data query operation, analogous to checking current market prices. Even within a DeFi context where sibling tools perform financial transactions, this specific tool is read-only.

From the tool's definition Tool name is 'get_swap_quote' and description explicitly states 'without executing'. The word 'quote' indicates retrieval of price information, and the clarification 'without executing' confirms no transaction occurs.

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

POLICY

How to control get_swap_quote

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 get_swap_quote:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_swap_quote": {}
  }
}

get_swap_quote is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

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.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Boosty MCP DeFi Platform tools

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All 80 Boosty MCP DeFi Platform tools →

Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_swap_quote

What does the get_swap_quote tool do? +

Get a swap quote without executing. It is categorised as a Read tool in the Boosty MCP DeFi Platform MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_swap_quote? +

Register the Boosty MCP DeFi Platform MCP server in PolicyLayer and add a rule for get_swap_quote: 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 get_swap_quote? +

get_swap_quote is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_swap_quote? +

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

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

get_swap_quote 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.

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