api_haystack_get_swap_quote
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 b...
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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. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why api_haystack_get_swap_quote is rated Low
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.
Attacks that exploit this kind of access
The rule that runs api_haystack_get_swap_quote safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Algorand MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For api_haystack_get_swap_quote, this is the rule to start with:
api_haystack_get_swap_quote is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Algorand MCP, apply this rule, and every api_haystack_get_swap_quote call is checked against it from then on.
Questions about api_haystack_get_swap_quote
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.
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.
api_haystack_get_swap_quote is a Read tool with low risk. Read-only tools are generally safe to allow by default.
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.
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.
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.
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