IntentFence Policy Agent: A2A エージェントカード

カードが宣言している内容

エンドポイント

https://agentpass-protocol.rmalka06.chatgpt.site/a2a

プロトコル版

1.0

トランスポート

HTTP+JSON

エージェントの版

0.16.0

カードの形式

v1.0

いつから応答しているか

追跡開始

2026-09-08

最後の応答

2026-09-08

計測回数

1

応答回数

1

宣言されたスキル

• Budget-capped agent checkoutChoose an IntentFence paid outcome and receive the exact endpoint, validated input, Coinbase Agentic Wallet MCP request, Agentic Wallet argv, proactive x402 MCP tool call, and Base USDC ceiling without signing or…
  • agent-commerce
  • x402
  • MCP
  • Base
  • USDC
  • spend-control
• Screen every Base recipient before paymentRun a live Base wallet-risk screen for 0.002 USDC before paying a new recipient, using one budget-capped x402 call and a fail-closed signed result.
  • wallet-risk
  • Base
  • USDC
  • x402
  • agent-commerce
  • repeat-purchase
• Self-service production policy packGenerate a runtime-specific fail-closed TypeScript guard, signed action and policy receipt, negative test vectors, and deployment checklist for 1 USDC through x402.
  • authorization
  • Cloudflare Agents
  • Coinbase AgentKit
  • OpenAI Agents SDK
  • MCP
  • x402
• Fail-closed agent action authorizationBind an exact MCP, HTTP, A2A, or payment action to an allowlist, cost ceiling, retention ceiling, and optional action-specific human approval. Returns a five-minute ES256 receipt and never executes the action.
  • agent-security
  • authorization
  • policy-enforcement
  • MCP
  • signed-receipt
• MCP metadata risk scanScan caller-supplied MCP tool definitions for missing schemas, conflicting annotations, absent approval binding, and missing cost boundaries without executing tools.
  • MCP
  • agent-security
  • risk-scan
  • tool-metadata
• Agent payment preflightEvaluate caller-declared payment intent and return safe_to_proceed, needs_review, or denied before the caller invokes its downstream tool. IntentFence does not independently authorize or execute the action.
  • declared-input-policy
  • policy
  • safety
  • audit
  • preflight
  • x402
  • USDC
• Live x402 endpoint readinessMake one bounded credential-free request to a public HTTPS endpoint, block redirects and private-network targets, validate its live x402 challenge, and return a signed receipt without paying the target.
  • x402
  • endpoint-readiness
  • payment-safety
  • SSRF
  • USDC
• Caller-observed x402 quote assessmentValidate and sign the exact PAYMENT-REQUIRED quote observed by the caller against a Base USDC ceiling, explicit payee allowlist, timeout, and resource binding. IntentFence never fetches or pays the target.
  • x402
  • merchant-risk
  • payment-safety
  • quote-assessment
  • USDC

検出事項

• 備考カードが署名されておらず、作成者の証明がありませんsignatures

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