Critical-risk tools in GPT 5 5 x402 Low Cost Agent Tools
86 of the 212 tools in GPT 5 5 x402 Low Cost Agent Tools are classified as critical 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 critical risk
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gpt55_x402_buyer_client_adapter_packDestructiveTurn a target paid x402 route, buyer runtime, spend cap, expected payTo/network, request method, and receipt policy into a copy-paste buyer client adapter pack: official-style N...
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chat_gpt_5_3_codexFinancialGPT-5.3 Codex chat for coding-oriented agent work, patch planning, and structured development output. Pay up to $0.034 per request with x402 USDC on Base or choose the fixed-pri...
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chat_gpt_5_5FinancialGPT-5.5 chat for stronger reasoning, production work, code, and structured responses. Pay up to $0.091 per request with x402 USDC on Base or choose the fixed-price Solana USDC o...
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chat_gpt_5_6_soulFinancialGPT-5.6 Soul flagship chat for advanced reasoning, production work, code, and structured responses at GPT-5.5-matched pricing. Pay up to $0.091 per request with x402 USDC on Bas...
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chat_standardFinancialGPT-5.4 Mini chat for mainstream short answers, routing decisions, extraction helpers, and buyer trials. Pay up to $0.00293 per request with x402 USDC on Base or choose the fixe...
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gpt55_answer_professionalFinancialProfessional answers for higher-fidelity reasoning and decision support. Model tier: professional; upstream model: gpt-5.5. Price is derived from official OpenAI relative token ...
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gpt55_balance_metered_chat_completionFinancialOpenAI-compatible GPT-5.5 chat that debits a persistent prepaid balance ledger after actual upstream usage is known using the read-only sub2api formula. Pay up to usage-metered ...
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gpt55_balance_topupFinancialTop up a GPT55 prepaid balance account with x402 exact USDC before using balance-metered GPT-5.5 chat. Pay up to $0.005 per request with x402 USDC on Base or choose the fixed-pr...
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gpt55_color_convertFinancialParse #RGB or #RRGGBB colors and return RGB/HSL values without calling an upstream model. Pay up to $0.0001 per request with x402 USDC on Base or choose the fixed-price Solana U...
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gpt55_gpt55_plus_half_price_subscriptionFinancialReturn a Plus-like subscription quote for GPT-5.5 buyers: monthly price is half the official Plus monthly price, while the weekly allowance tracks the caller-supplied or current...
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gpt55_sub2api_balance_ledger_simulatorFinancialCalculate the same GPT-5.5 official usage cost as sub2api, then apply it to a prepaid balance ledger. Returns debit, balance-after, low-balance policy, idempotency key, and expo...
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gpt55_sub2api_official_metered_invoiceFinancialProduce a buyer-ready postpaid GPT-5.5 invoice using the read-only sub2api pricing formula: input, output, cache creation, cache read, image output, service tier, long-context p...
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gpt55_translate_batchFinancialBatch translation for JSON arrays of short items at a lower per-record price. Model tier: batch; upstream model: gpt-5.4-mini. Price is derived from official OpenAI relative tok...
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gpt55_x402_agent_approval_workflow_compilerFinancialPremium governance agent that returns approval policy JSON, human review queue schema, MCP approval middleware, Flowise approval node, escalation SLA, and audit log contract for...
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gpt55_x402_agent_core_integration_kitFinancialGenerate a deterministic buyer integration package for AgentCore-style agent workflows that discover paid tools through CDP Bazaar or MCP and pay x402 on Base USDC. Includes gat...
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gpt55_x402_agent_core_integration_kit_getFinancialGenerate a deterministic buyer integration package for AgentCore-style agent workflows that discover paid tools through CDP Bazaar or MCP and pay x402 on Base USDC. Includes gat...
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gpt55_x402_agent_credit_line_underwriting_packFinancialPremium finance risk agent that returns credit policy matrix, wallet funding thresholds, approval evidence packet, spend ramp schedule, repayment/settlement controls, and denial...
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gpt55_x402_agent_data_leak_containment_planFinancialPremium incident-response agent that returns PII leak triage, redaction patch set, evidence lockbox, customer notice draft, regulator-ready timeline, and wallet/payment pause po...
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gpt55_x402_agent_market_data_procurement_firewallFinancialPremium market data procurement agent that returns spend policy, source allowlist, latency-value decision matrix, stale data denial rules, budget routing config, and evidence re...
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gpt55_x402_agent_payment_approval_packFinancialTurn an x402 paid route, budget cap, buyer role, payTo/network expectations, receipt rules, and runtime context into a buyer-owned approval package: approvalPack, budgetApproval...
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gpt55_x402_agent_payment_authorization_ato_packFinancialPremium authorization agent for autonomous x402 buyers. It returns an authorization decision matrix, control mapping, operator approval artifact, spend boundary, evidence checkl...
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gpt55_x402_agent_payment_due_diligence_packFinancialTurn a live x402 paid route, buyer budget, expected payTo/network/asset, runtime, and receipt policy into an agent-payment due diligence pack: dueDiligenceDecision, goNoGoPolicy...
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gpt55_x402_agent_payment_due_diligence_pack_getFinancialTurn a live x402 paid route, buyer budget, expected payTo/network/asset, runtime, and receipt policy into an agent-payment due diligence pack: dueDiligenceDecision, goNoGoPolicy...
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gpt55_x402_agent_payment_policy_compilerFinancialTurn agent spending rules into a buyer-owned payment policy: spend caps, service allowlist, payTo and network checks, MCP guard config, Flowise guard config, x402 prepay checkli...
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gpt55_x402_agent_procurement_rfp_response_packFinancialPremium sales-procurement agent that returns RFP response draft, security attachment, pricing attachment, compliance mapping, and buyer pilot success criteria. Pay up to $21.90 ...
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gpt55_x402_agent_runbook_compliance_attestation_packFinancialPremium compliance agent that returns attestation checklist, control owner signoff packet, runbook evidence map, test evidence register, exception policy, and renewal cadence fo...
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gpt55_x402_agent_spend_recurrence_guardFinancialEvaluate the next x402 quote or paid-tool call against buyer-owned spend caps, route allowlists, payTo/network expectations, recent spend history, consecutive failures, and rece...
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gpt55_x402_agent_spend_simulatorFinancialPremium x402 spend simulation agent that returns route-level spend scenarios, budget exhaustion points, failure-loop risk, deny/allow policy, and MCP/Flowise guard config for au...
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gpt55_x402_agent_task_receipt_outboxFinancialCreate a buyer-owned task receipt outbox for autonomous agents, MCP runtimes, and A2A x402 task flows. Returns local outbox schema, x402.payment.receipts metadata, retry-without...
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gpt55_x402_agent_treasury_rebalancing_policyFinancialPremium treasury agent for x402 buyers. It returns executable treasury policy JSON, runway rebalancing plan, reserve rules, refill thresholds, drain limits, and finance handoff ...
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gpt55_x402_agent_wallet_incident_response_packFinancialPremium x402 incident response agent for autonomous wallets and paid MCP buyers. It returns a freeze policy, revoke checklist, evidence bundle, payment pause rules, receipt revi...
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gpt55_x402_agent_wallet_key_rotation_drillFinancialPremium wallet operations agent that returns rotation runbook, blast radius map, rollback checklist, client env migration plan, receipt continuity plan, and post-rotation verifi...
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gpt55_x402_agentic_api_red_team_briefFinancialPremium defensive security agent for x402 APIs. It returns abuse-case matrix, defensive test plan, mitigation backlog, safe replay tests, wallet misuse checks, and release gate ...
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gpt55_x402_ai_crawler_license_enforcement_packFinancialPremium crawler monetization enforcement agent that returns crawler license policy, edge enforcement snippet, receipt-bound access log, robots/llms hints, premium path tiers, an...
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gpt55_x402_autonomous_procurement_policy_engineFinancialPremium procurement policy agent that returns executable JSON policy, vendor approval workflow, spend exception rules, purchase order memo, receipt requirements, and renewal tri...
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gpt55_x402_bazaar_listing_revenue_repairFinancialPremium listing repair agent for x402 Bazaar and directories. It returns metadata patches, settlement proof packet, recrawl plan, listing copy, buyer command repairs, and score ...
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gpt55_x402_buyer_payment_client_implementation_sprintFinancialPremium buyer activation agent that returns implementation plan, same-request retry client, receipt capture checklist, wallet boundary policy, and rollout tasks for x402 payment...
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gpt55_x402_buyer_payment_execution_runbookFinancialPremium GPT-5.5 x402 buyer execution agent that turns a paid route, budget cap, runtime, payTo/network expectation, and receipt policy into runnable Node, Python, Bash, MCP, and...
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gpt55_x402_buyer_shortlistFinancialFetch x402 discovery documents, rank matching resources by advertised price, live-check the cheapest candidates with 402 quote inspection, and return a buyer-ready shortlist wit...
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gpt55_x402_buyer_shortlist_getFinancialFetch x402 discovery documents, rank matching resources by advertised price, live-check the cheapest candidates with 402 quote inspection, and return a buyer-ready shortlist wit...
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gpt55_x402_client_compatibility_adapterFinancialConvert a live HTTP 402 quote into a buyer-owned compatibility adapter for official x402 clients, first-payment clients, MCP runtimes, and wallet agents. Returns requirement sel...
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gpt55_x402_conversion_forensics_war_roomFinancialPremium conversion forensics agent that returns dropoff diagnosis, experiment backlog, buyer activation patch, metric guardrails, and release decision log. Pay up to $15.90 per ...
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gpt55_x402_cross_chain_payment_failover_playbookFinancialPremium reliability agent that returns chain failover matrix, liquidity runway plan, facilitator fallback config, retry stop rules, treasury refill procedure, and incident commu...
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gpt55_x402_customer_support_refund_triage_agentFinancialPremium support agent that returns refund triage decision, support case timeline, evidence request email, buyer response draft, seller evidence checklist, and escalation decisio...
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gpt55_x402_data_room_receipt_redaction_packFinancialPremium evidence operations agent that returns redaction policy, shareable evidence bundle, secret boundary checklist, verifier manifest, data-room index, and retention/legal ho...
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gpt55_x402_directory_compliance_repair_packFinancialTurn a failing or inconsistent x402 directory listing into a machine-readable repair pack: metadata drift checks, x402 discovery fixes, OpenAPI/pricing/server.json alignment, Pa...
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gpt55_x402_directory_compliance_repair_pack_getFinancialTurn a failing or inconsistent x402 directory listing into a machine-readable repair pack: metadata drift checks, x402 discovery fixes, OpenAPI/pricing/server.json alignment, Pa...
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gpt55_x402_directory_trust_evidence_packFinancialPremium directory trust agent that returns x402 discovery evidence, OpenAPI/pricing/payTo consistency proof, recrawl packet, trust repair checklist, and channel update ledger en...
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gpt55_x402_enterprise_buyer_onboarding_dossierFinancialPremium enterprise onboarding agent that returns security questionnaire answers, procurement packet, pilot launch plan, approval matrix, data handling notes, and stakeholder-rea...
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gpt55_x402_enterprise_security_questionnaire_autofillFinancialPremium sales-security agent that returns questionnaire answers, evidence attachment index, exception disclosure table, control mapping, buyer follow-up packet, and redaction-sa...
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gpt55_x402_flowise_payment_node_blueprintFinancialPremium Flowise integration agent that returns payment node spec, credential boundary policy, test harness plan, node I/O contract, and receipt persistence schema. Pay up to $16...
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gpt55_x402_mcp_asset_inventory_risk_registerFinancialPremium MCP operations agent that returns tool inventory schema, risk register rows, decommission plan, owner matrix, receipt-scope catalog, and quarterly review cadence. Pay up...
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gpt55_x402_mcp_enterprise_rollout_packFinancialPremium MCP rollout agent that returns deployment architecture, client config bundle, approval runbook, entitlement policy, security review matrix, and pilot cutover steps. Pay ...
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gpt55_x402_mcp_entitlement_receipt_gatewayFinancialPremium MCP entitlement agent that returns a receipt state machine, verifier middleware, MCP tool policy, cache rules, denial responses, and replay protection for paid tool acce...
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gpt55_x402_mcp_integration_kitFinancialGenerate a deterministic buyer integration package for an x402/MCP service: MCP remote server config, Claude Desktop-style config hints, curl discovery checks, x402 quote test c...
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gpt55_x402_mcp_integration_kit_getFinancialGenerate a deterministic buyer integration package for an x402/MCP service: MCP remote server config, Claude Desktop-style config hints, curl discovery checks, x402 quote test c...
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gpt55_x402_mcp_production_launch_auditFinancialPremium paid MCP launch agent that returns a production readiness gate, MCP client config checks, entitlement policy, receipt gate, OpenAPI/x402 discovery consistency checks, an...
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gpt55_x402_mcp_tool_revenue_share_ledgerFinancialPremium MCP finance agent that returns split ledger schema, settlement allocation rules, partner payout rows, dispute holds, tax memo fields, and reconciliation checks for paid ...
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gpt55_x402_model_arbitrage_router_policyFinancialPremium model routing agent that returns route decision policy, cost-quality thresholds, fallback escalation rules, spend caps, evaluation evidence schema, and rollback triggers...
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gpt55_x402_model_procurement_benchmark_packFinancialPremium model procurement agent that returns model vendor scorecard, procurement benchmark matrix, route award policy, evaluation evidence schema, renewal triggers, and fallback...
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gpt55_x402_model_sla_breach_claims_packFinancialPremium procurement agent that returns SLA evidence matrix, claim packet, service credit calculator, supplier remediation plan, benchmark rerun policy, and renewal decision memo...
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gpt55_x402_paid_api_contract_test_suiteFinancialPremium release engineering agent for paid x402 APIs. It returns contract test matrix, Playwright probe plan, CI gate config, fixture bodies, receipt assertions, and rollback cr...
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gpt55_x402_payment_failure_doctorFinancialDiagnose why an x402 payment did not convert from quote to settled response: missing X-PAYMENT header, payTo/network/amount mismatch, wallet spend-cap block, verify failure, set...
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gpt55_x402_payment_retry_slo_autopilotFinancialPremium reliability agent that returns retry state machine, SLO budget policy, failure escalation rules, idempotency guard, synthetic probe plan, and rollback gates for x402 cli...
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gpt55_x402_payment_slo_monitoring_packFinancialPremium x402 operations agent that returns SLO definitions, synthetic probe plan, alert rules, log fields, revenue guardrails, and incident runbook for payment health. Pay up to...
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gpt55_x402_payment_tax_invoice_reconciliation_kitFinancialPremium finance operations agent that returns invoice ledger schema, tax evidence packet, reconciliation workflow, exception queues, and audit export mapping for x402 settlement...
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gpt55_x402_pingFinancialLow-cost x402 payment proof endpoint with no upstream model call. Pay up to $0.0001 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertis...
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gpt55_x402_private_gateway_deployment_planFinancialPremium deployment agent that returns private gateway architecture, secret boundary map, cutover checklist, observability plan, rollback criteria, and public discovery migration...
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gpt55_x402_procurement_vendor_risk_dossierFinancialPremium procurement agent for x402 and paid MCP services. It turns vendor URL, route, payTo, network, price cap, receipts, and buyer use case into a scorecard, approval memo, se...
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gpt55_x402_receipt_bound_execution_gateFinancialEvaluate a paid x402 receipt, route, payTo, network, amount, actionRef, toolCallId, and paid result summary, then return allow/manual_review/deny guidance, receipt binding check...
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gpt55_x402_receipt_dispute_packFinancialTurn a paid x402 receipt, transaction hash, route, amount, payTo, network, and response evidence into a buyer-owned audit and dispute pack. Returns evidence completeness, receip...
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gpt55_x402_refund_dispute_resolution_playbookFinancialPremium support operations agent that returns refund eligibility matrix, dispute timeline, support response templates, evidence request checklist, resolution decision tree, and ...
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gpt55_x402_revenue_recovery_agentFinancialHigh-value GPT-5.5 x402 revenue recovery agent for paid API and MCP sellers. It turns route-level quote, payment-header, verify, settle, timeout, payTo/network, and buyer-intent...
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gpt55_x402_seller_action_planFinancialGenerate a deterministic merchant-readiness action plan for an x402 or paid MCP service: directory visibility fixes, paid MCP listing audit actions, pricing actions, buyer onboa...
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gpt55_x402_seller_intelligence_bundleFinancialGenerate a deterministic merchant-readiness and seller-intelligence pack for an x402 or paid MCP service: market benchmark, paid MCP listing audit, listing SEO audit, product op...
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gpt55_x402_seller_intelligence_bundle_getFinancialGenerate a deterministic merchant-readiness and seller-intelligence pack for an x402 or paid MCP service: market benchmark, paid MCP listing audit, listing SEO audit, product op...
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gpt55_x402_seller_price_ladder_optimizerFinancialPremium seller pricing agent that returns route price ladder, canary-to-premium path, A/B test plan, upgrade copy, quote-to-settle thresholds, and rollback rules based on funnel...
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gpt55_x402_seller_revenue_leakage_forensics_packFinancialPremium seller forensics agent that returns leakage root cause map, route patch queue, settlement recovery forecast, pricing correction memo, channel recrawl checklist, and next...
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gpt55_x402_settlement_dispute_evidence_lockboxFinancialPremium settlement evidence agent that returns lockbox manifest, tamper-evident receipt chain, dispute export bundle, retention policy, redaction rules, and support handoff note...
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gpt55_x402_soc2_payment_control_evidence_packFinancialPremium audit evidence agent that returns control evidence matrix, audit sampling plan, exception register, evidence collection script, and owner review cadence. Pay up to $19.9...
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gpt55_x402_usage_quota_billing_reconciliation_agentFinancialPremium billing operations agent that returns quota ledger schema, overage decision rules, billing reconciliation rows, invoice exception queues, cost center mapping, and usage ...
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gpt55_x402_verify_settle_recovery_packFinancialTurn a verified-but-not-settled x402 payment attempt into an executable recovery pack: verify-to-settle diagnosis, facilitator failover plan, same-request replay policy, settlem...
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gpt55_x402_wallet_drain_prevention_firewallFinancialPremium wallet firewall agent that returns pre-payment policy, spender denylist rules, runtime guard config, approval limits, suspicious quote detection, and fail-closed behavio...
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gpt55_x402_wallet_payment_activation_agentFinancialPremium wallet payment activation agent for quote-only x402 buyers. It turns a target paid route, wallet runtime, route id, payTo/network expectations, receipt-gate requirement,...
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gpt55_x402_wallet_payment_activation_agent_getFinancialPremium wallet payment activation agent for quote-only x402 buyers. It turns a target paid route, wallet runtime, route id, payTo/network expectations, receipt-gate requirement,...
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gpt55_x402_wallet_receipt_accounting_packFinancialPremium receipt accounting agent for x402 wallets. It returns ledger schema, normalized accounting rows, receipt matching policy, reconciliation checklist, spend classification,...
Attacks that target this class
Critical-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.