{
 "licence": "CC BY 4.0",
 "source": "https://github.com/commonworld-one/commonworld",
 "generated_at": "2026-10-16T01:55:00Z",
 "id": "circle-agent-stack",
 "name": "Circle Agent Stack + Arc",
 "url": "https://commonworld.one/atlas/platforms/circle-agent-stack/",
 "json_url": "https://commonworld.one/atlas/platforms/circle-agent-stack.json",
 "website": "https://www.circle.com/agent-stack",
 "category": "payments",
 "category_label": "Payments & x402",
 "type": "platform",
 "status": "live",
 "summary": "Circle's agent toolkit (programmable USDC agent wallets, gas-free nanopayments via Gateway, CLI/skills, an Agent Marketplace) plus Arc, Circle's chain (mainnet 16 Sep 2026).",
 "tags": [
  "usdc",
  "arc",
  "seller-lane"
 ],
 "has_money_flow": false,
 "money_flow": [],
 "key_number": null,
 "verified_at": "2026-10-15T21:40:00Z",
 "last_checked": "2026-10-15T21:40:00Z",
 "claims_count": 5,
 "disclosure": null,
 "claims": [
  {
   "kind": "canonical_url",
   "statement": "circle.com/agent-stack; Arc at arc.network (redirects to arc.io)",
   "value": null,
   "unit": null,
   "window": null,
   "basis": "direct_observation",
   "source_url": "https://www.circle.com/agent-stack",
   "quote": "Circle Agent Stack: financial infrastructure for AI agents. ... Agent Wallets, Agent Marketplace, Nanopayments",
   "observed_at": "2026-10-15T18:15:00Z",
   "methods": [
    "curl circle.com/agent-stack (200)",
    "curl arc.network -> arc.io (200)"
   ],
   "outcome": "supported"
  },
  {
   "kind": "site_reachable",
   "statement": "Both serve content",
   "value": null,
   "unit": null,
   "window": null,
   "basis": "direct_observation",
   "source_url": "https://www.circle.com/agent-stack",
   "quote": "Sub-cent, gas-free USDC payments built for the high-frequency, machine-speed transactions agents need",
   "observed_at": "2026-10-15T18:15:00Z",
   "methods": [],
   "outcome": "supported"
  },
  {
   "kind": "description",
   "statement": "Agent Marketplace directory paid in USDC",
   "value": null,
   "unit": null,
   "window": null,
   "basis": "operator_claim",
   "source_url": "https://www.circle.com/agent-stack",
   "quote": "Agent Marketplace A directory where agents discover, evaluate, and pay for services in USDC.",
   "observed_at": "2026-10-15T18:15:00Z",
   "methods": [],
   "outcome": "supported"
  },
  {
   "kind": "recent_activity",
   "statement": "Arc blog: 'Arc Mainnet Goes Live on September 16, 2026'",
   "value": null,
   "unit": null,
   "window": null,
   "basis": "operator_claim",
   "source_url": "https://www.arc.io/blog",
   "quote": "Arc Mainnet Goes Live on September 16, 2026",
   "observed_at": "2026-10-15T18:15:00Z",
   "methods": [],
   "outcome": "supported"
  },
  {
   "kind": "metric",
   "statement": "ChainWard decode lists ACP v2 on Arc (Circle): live since 2026-09-21, 143 jobs, $0.02 stablecoin (aggregator display, decode filed 2026-09-30)",
   "value": "$0.02",
   "unit": "stablecoin (ACP v2 on Arc)",
   "window": "2026-09-21 to decode date 2026-09-30",
   "basis": "independent_source",
   "source_url": "https://chainward.ai/decodes/virtuals-top-dog",
   "quote": "Arc (Circle) Sep 21, 2026 143 $0.02",
   "observed_at": "2026-10-15T21:40Z",
   "methods": [
    "curl -sL https://chainward.ai/decodes/virtuals-top-dog"
   ],
   "outcome": "supported",
   "history": [
    {
     "value": null,
     "unit": null,
     "window": null,
     "statement": "Legacy ChainWard 'ACP v2 on Arc $0.02' not re-observed",
     "quote": null,
     "source_url": "https://chainward.ai/decodes/virtuals-top-dog",
     "observed_at": "2026-10-15T18:15:00Z",
     "basis": "independent_source",
     "outcome": "unchecked",
     "superseded_at": "2026-10-15T21:45Z",
     "reason": "corrected after Codex comparison"
    }
   ],
   "recheck": {
    "basis": "coordinator_re_read",
    "by": "Hark coordinator",
    "at": "2026-10-15T21:40Z",
    "note": "Fix from the Codex comparison, re-checked by us."
   }
  }
 ],
 "qa_status": "not_sampled"
}