api_haystack_get_swap_quote

ServerAlgorand MCP
CategoryRead

How to control api_haystack_get_swap_quote ↓

WHAT IT DOES

What api_haystack_get_swap_quote does on Algorand MCP

AI agents call api_haystack_get_swap_quote to retrieve information from Algorand MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why api_haystack_get_swap_quote needs a policy

This tool queries a DEX aggregator for pricing information and swap route details. It performs no irreversible actions, creates no financial obligations, and executes no transactions. It is purely informational — a read operation that allows users to preview swap options before taking action. The instruction to use it 'before executing' confirms it does not itself execute swaps.

From the tool's definition Tool description states 'Get an optimized swap quote' and 'Use this to preview a swap before executing' — it retrieves quote data without executing any transaction or modifying state.

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

POLICY

How to control api_haystack_get_swap_quote

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

policy.json

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

api_haystack_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 Algorand MCP — 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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EXPLORE

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Go deeper

Roll out MCP under one policy → Per-person scoped tokens, one central policy, and full audit across every server your team connects.
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 →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about api_haystack_get_swap_quote

What does the api_haystack_get_swap_quote tool do? +

Get an optimized swap quote from Haystack Router — a DEX aggregator that finds the best swap route across multiple Algorand DEXes (Tinyman V2, Pact, Folks) and LST protocols (tALGO, xALGO). Returns the best-price quote with route details, USD values, and price impact. Use this to preview a swap before executing. All amounts are in base units (e.g., 1000000 = 1 ALGO). It is categorised as a Read tool in the Algorand MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on api_haystack_get_swap_quote? +

Register the Algorand MCP server in PolicyLayer and add a rule for api_haystack_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 Algorand MCP. Nothing to install.

What risk level is api_haystack_get_swap_quote? +

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

Can I rate-limit api_haystack_get_swap_quote? +

Yes. Add a rate_limit block to the api_haystack_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 api_haystack_get_swap_quote completely? +

Set action: deny in the PolicyLayer policy for api_haystack_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 api_haystack_get_swap_quote? +

api_haystack_get_swap_quote is provided by the Algorand MCP server (goplausible/algorand-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Algorand MCP tool call.

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172 Algorand MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.