Premium buyer activation agent that returns implementation plan, same-request retry client, receipt capture checklist, wallet boundary policy, and rollout tasks for x402 payment clients. Pay up to $14.90 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertis...
AI agents use gpt55_x402_buyer_payment_client_implementation_sprint to commit financial operations through GPT 5 5 x402 Low Cost Agent Tools — usually the final step of a payment, billing, or trading workflow. A call moves real money.
| Parameter | Type | Required | Description |
|---|---|---|---|
method | string | — | |
endpoint | string | — | |
receipts | array | — | |
use_case | string | — | |
buyer_team | string | — | |
paid_route | string | — | |
service_url | string | — | |
settled_24h | number | — | |
vendor_name | string | — | |
buyer_runtime | string | — | |
expected_asset | string | — | |
wallet_env_var | string | — |
Parameters from the server's own tool schema.
This tool explicitly involves financial transactions — paying up to $14.90 per request in USDC cryptocurrency (on Base or Solana). It commits financial obligations on behalf of the user/agent, qualifying it as Financial. The high per-request cost and autonomous payment capability make misuse critically severe, as an AI agent could repeatedly trigger payments without user awareness.
From the tool's definition Pay up to $14.90 per request with x402 USDC on Base or choose the fixed-price Solana USDC option
Risk signalsAccepts URL/endpoint input (endpoint) · High parameter count (20 properties)
Attacks that exploit this kind of access
Premium buyer activation agent that returns implementation plan, same-request retry client, receipt capture checklist, wallet boundary policy, and rollout tasks for x402 payment clients. Pay up to $14.90 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-metered payment are both accepted when clients support them; upto settlements use actual response usage, a 0.0001 minimum, and the selected tier price as the cap. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json. It is categorised as a Financial tool in the GPT 5 5 x402 Low Cost Agent Tools MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
gpt55_x402_buyer_payment_client_implementation_sprint accepts 12 parameters: method, endpoint, receipts, use_case, buyer_team, paid_route, service_url, settled_24h, vendor_name, buyer_runtime, expected_asset, wallet_env_var. The full parameter table on this page comes from the server's own tool schema.
Register the GPT 5 5 x402 Low Cost Agent Tools MCP server in PolicyLayer and add a rule for gpt55_x402_buyer_payment_client_implementation_sprint: 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 GPT 5 5 x402 Low Cost Agent Tools. Nothing to install.
gpt55_x402_buyer_payment_client_implementation_sprint is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the gpt55_x402_buyer_payment_client_implementation_sprint 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 gpt55_x402_buyer_payment_client_implementation_sprint. 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.
gpt55_x402_buyer_payment_client_implementation_sprint is provided by the GPT 5 5 x402 Low Cost Agent Tools MCP server (https://gpt55.558686.xyz/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
gpt55_x402_buyer_payment_client_implementation_sprint is one line of GPT 5 5 x402 Low Cost Agent Tools's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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