Get a single swap by id — full status, executed amounts, gas, and tx hash. Endpoint set provisional, expand once docs stabilize.
AI agents call get_swap to retrieve information from Mcp Ap2 without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves information about a swap transaction (status, amounts, gas fees, transaction hash) without creating, modifying, deleting, or executing any financial operations. It is purely informational/diagnostic in nature. While the server itself handles financial protocols (AP2), this specific tool only queries existing swap data, making it a Read operation with low risk.
From the tool's definition Tool description explicitly states 'Get a single swap by id' with retrieval of 'full status, executed amounts, gas, and tx hash.' This is a read-only query operation with no modification, deletion, or financial transaction capabilities.
Documented attack patterns abuse exactly the kind of access get_swap gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for get_swap:
{
"version": "1",
"default": "deny",
"tools": {
"get_swap": {}
}
}get_swap is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get a single swap by id — full status, executed amounts, gas, and tx hash. Endpoint set provisional, expand once docs stabilize. It is categorised as a Read tool in the Mcp Ap2 MCP Server, which means it retrieves data without modifying state.
Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for get_swap: 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 Mcp Ap2. Nothing to install.
get_swap 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 get_swap 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 get_swap. 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.
get_swap is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Mcp Ap2, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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