High-risk tools in GPT 5 5 x402 Low Cost Agent Tools
4 of the 218 tools in GPT 5 5 x402 Low Cost Agent Tools are classified as high risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at high risk
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gpt55_regex_matchExecuteRun a JavaScript regular expression against short text and return bounded matches without calling an upstream model. Pay up to $0.002 per request with x402 USDC on Base or choos...
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gpt55_url_parseExecuteParse an absolute URL into protocol, host, path, query parameters, hash, and origin without fetching the URL or calling an upstream model. Pay up to $0.002 per request with x402...
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gpt55_url_parse_getExecuteParse an absolute URL into protocol, host, path, query parameters, hash, and origin without fetching the URL or calling an upstream model. GET variant for agents that prefer que...
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gpt55_wallet_signing_safety_packExecuteBuild a single wallet/agent pre-signing decision pack from optional EIP-712 typed data, EVM calldata, expected chain, known addresses, and x402 spend policy. Returns risk levels...
Attacks that target this class
High-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.