Clash of Coins
x402.clashofcoins.com
· Clash of Coins
Agentic checkout for Clash of Coins
x402.clashofcoins.com via a single DNS TXT record to add the
verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
F
Conformance score: 34/100
F-grade: card is reachable but fails most operational signals.
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agent-card.json changed within the last 7 days. We track these so downstream callers can react.
Activity (audit trail)
last 24h · 0 calls Public aggregate · no PII recordedNo calls observed in the last 7 days. Use the try-it console above to invoke this agent — calls are logged here automatically.
Card history
1 snapshot Every change toagent-card.json
| Captured | Hash | |
|---|---|---|
| 2026-05-20 23:59:03 current | 251afe49dd19… |
view → |
Endpoints
| Agent card | https://x402.clashofcoins.com/.well-known/agent-card.json |
| Provider | https://x402.clashofcoins.com |
| Docs | https://x402.clashofcoins.com/openapi.json |
Skills · 9 declared · mapped to canonical taxonomy
Choose the correct Clash of Coins surface: sale for NFT lots, shop for in-game items, then follow the matching protocol flow.
List currently active allowlisted saleIds, prices, metadata, and payment hints.
Return the exact USDC amount and payment requirement for a chosen saleId and quantity.
Complete canonical x402 settlement and trigger relayer-service mint delivery.
Track purchase confirmation by paymentTx until mint delivery is confirmed.
List the active shop catalog. Anonymous listing is allowed; personalized offers require exactly one nickname or address.
Validate one recipient plus one item selection and return the exact payable amount before buy.
Complete canonical x402 settlement and deliver the selected in-game item.
Track payment and backend delivery by payment reference, purchase id, or wallet+item.
Health · last 3 probes
Cheaper or better alternatives per-skill
For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor — only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.
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Markdown / HTML snippets
[](https://agenstry.com/agents/x402.clashofcoins.com) [](https://agenstry.com/agents/x402.clashofcoins.com) [](https://agenstry.com/agents/x402.clashofcoins.com) [](https://agenstry.com/agents/x402.clashofcoins.com)
Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
our JWKS. See the methodology.
Raw agent card JSON
{
"protocolVersion": "0.2.6",
"id": "clashofcoins-commerce",
"name": "Clash of Coins",
"description": "Agentic checkout for Clash of Coins",
"summary": "Agentic checkout for Clash of Coins",
"category": "Gaming",
"tags": [
"Gaming"
],
"url": "https://x402.clashofcoins.com",
"preferredTransport": "https",
"provider": {
"organization": "Clash of Coins",
"url": "https://x402.clashofcoins.com"
},
"version": "1.0.0",
"icon": "https://x402.clashofcoins.com/favicon.png",
"documentationUrl": "https://x402.clashofcoins.com/openapi.json",
"skillsUrl": "https://x402.clashofcoins.com/skill.md",
"skillUrl": "https://x402.clashofcoins.com/skill.md",
"openApiUrl": "https://x402.clashofcoins.com/openapi.json",
"supportedInterfaces": [
"rest",
"mcp",
"a2a",
"web"
],
"capabilities": {
"streaming": false,
"pushNotifications": false,
"stateTransitionHistory": true,
"agentWalletFunding": true,
"agentWalletX402Funding": true,
"agentWalletMppFunding": false,
"agentWalletAutoExecuteOnFunding": true,
"agentWalletPurchaseProtocols": {
"sale": [
"x402"
],
"shop": [
"x402"
]
}
},
"securitySchemes": {
"x402PaymentSignature": {
"type": "apiKey",
"in": "header",
"name": "PAYMENT-SIGNATURE",
"description": "Paid retries must keep the JSON body unchanged and send a canonical PAYMENT-SIGNATURE built from the latest PAYMENT-REQUIRED challenge, including its resource and one accepted payment requirement."
}
},
"security": [
{
"x402PaymentSignature": []
}
],
"defaultInputModes": [
"application/json"
],
"defaultOutputModes": [
"application/json"
],
"skills": [
{
"id": "route_commerce_checkout",
"name": "Route commerce checkout",
"description": "Choose the correct Clash of Coins surface: sale for NFT lots, shop for in-game items, then follow the matching protocol flow.",
"tags": [
"commerce",
"routing",
"sale",
"shop"
],
"examples": [
"Buy a Hero Pack NFT",
"Buy 10 keys for player alice"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "discover_sales",
"name": "Discover active sales",
"description": "List currently active allowlisted saleIds, prices, metadata, and payment hints.",
"tags": [
"x402",
"catalog",
"eip155:8453"
],
"examples": [
"List active NFT sale lots",
"Show current saleIds and prices"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "quote_sale",
"name": "Quote sale",
"description": "Return the exact USDC amount and payment requirement for a chosen saleId and quantity.",
"tags": [
"x402",
"quote",
"USDC"
],
"examples": [
"Quote saleId 370 for quantity 1",
"Estimate the payable amount before buying"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "buy_sale_via_x402",
"name": "Buy sale via x402",
"description": "Complete canonical x402 settlement and trigger relayer-service mint delivery.",
"tags": [
"x402",
"purchase",
"relayer"
],
"examples": [
"Buy one Hero Pack NFT",
"Mint an allowlisted sale item after payment"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "poll_purchase_status",
"name": "Poll purchase status",
"description": "Track purchase confirmation by paymentTx until mint delivery is confirmed.",
"tags": [
"status",
"delivery",
"mint"
],
"examples": [
"Check whether paymentTx 0xabc has settled",
"Track mint delivery for a sale purchase"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "discover_shop_offers",
"name": "Discover shop offers",
"description": "List the active shop catalog. Anonymous listing is allowed; personalized offers require exactly one nickname or address.",
"tags": [
"shop",
"catalog",
"recipient"
],
"examples": [
"List shop offers",
"Show keys and packs for player alice"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "quote_shop_purchase",
"name": "Quote shop purchase",
"description": "Validate one recipient plus one item selection and return the exact payable amount before buy.",
"tags": [
"shop",
"quote",
"recipient"
],
"examples": [
"Quote 10 keys for player alice",
"Estimate a shop purchase for 0x1234..."
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "buy_shop_item_via_x402",
"name": "Buy shop item via x402",
"description": "Complete canonical x402 settlement and deliver the selected in-game item.",
"tags": [
"shop",
"x402",
"purchase"
],
"examples": [
"Buy 10 keys via x402",
"Purchase a shop pack for player alice"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "poll_shop_purchase_status",
"name": "Poll shop purchase status",
"description": "Track payment and backend delivery by payment reference, purchase id, or wallet+item.",
"tags": [
"shop",
"status",
"delivery"
],
"examples": [
"Check whether a shop purchase has been delivered",
"Track shop delivery for payment reference pay_123"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
}
],
"metadata": {
"serviceDescription": "Agentic checkout for Clash of Coins",
"category": "Gaming",
"tags": [
"Gaming"
],
"icon": "https://x402.clashofcoins.com/favicon.png",
"catalogUrl": "https://x402.clashofcoins.com/catalog",
"skillsUrl": "https://x402.clashofcoins.com/skill.md",
"skillUrl": "https://x402.clashofcoins.com/skill.md",
"openApiUrl": "https://x402.clashofcoins.com/openapi.json",
"skillsIndexUrl": "https://x402.clashofcoins.com/skills/index.json",
"specializedSkills": {
"agentcashValidator": "https://x402.clashofcoins.com/agentcash-validator-skill.md"
},
"publishedSkills": [
{
"id": "clashofcoins",
"name": "Clash of Coins",
"description": "Universal routing skill for cross-agent discovery and checkout on unified sale + shop deployments.",
"path": "/skills/clashofcoins-universal/SKILL.md",
"aliases": [
"/skills/SKILL.md",
"/skills/clashofcoins-universal/skill.md",
"/skills/clashofcoins-universal",
"/skills/clashofcoins/SKILL.md",
"/skills/clashofcoins/skill.md",
"/skills/clashofcoins"
],
"clients": [
"openclaw",
"claude",
"cursor",
"codex",
"generic-agent-skills"
],
"bundle": {
"openaiConfigPath": "/skills/clashofcoins-universal/agents/openai.yaml",
"referencesPath": "/skills/clashofcoins-universal/references/",
"scriptsPath": "/skills/clashofcoins-universal/scripts/",
"evalsPath": "/skills/clashofcoins-universal/evals/",
"triggerEvalsPath": "/skills/clashofcoins-universal/evals/trigger-queries.json",
"qualityEvalsPath": "/skills/clashofcoins-universal/evals/evals.json"
},
"audience": "agents",
"url": "https://x402.clashofcoins.com/skills/clashofcoins-universal/SKILL.md",
"aliasUrls": [
"https://x402.clashofcoins.com/skills/SKILL.md",
"https://x402.clashofcoins.com/skills/clashofcoins-universal/skill.md",
"https://x402.clashofcoins.com/skills/clashofcoins-universal",
"https://x402.clashofcoins.com/skills/clashofcoins/SKILL.md",
"https://x402.clashofcoins.com/skills/clashofcoins/skill.md",
"https://x402.clashofcoins.com/skills/clashofcoins"
],
"bundleUrls": {
"openaiConfigPath": "https://x402.clashofcoins.com/skills/clashofcoins-universal/agents/openai.yaml",
"referencesPath": "https://x402.clashofcoins.com/skills/clashofcoins-universal/references/",
"scriptsPath": "https://x402.clashofcoins.com/skills/clashofcoins-universal/scripts/",
"evalsPath": "https://x402.clashofcoins.com/skills/clashofcoins-universal/evals/",
"triggerEvalsPath": "https://x402.clashofcoins.com/skills/clashofcoins-universal/evals/trigger-queries.json",
"qualityEvalsPath": "https://x402.clashofcoins.com/skills/clashofcoins-universal/evals/evals.json"
},
"format": "agent-skills-v1"
},
{
"id": "clashofcoins-agentcash-validator",
"name": "Clash of Coins AgentCash Validator",
"description": "Minimal-context validation skill for AgentCash, OpenClaw, and other discovery consumers.",
"path": "/skills/clashofcoins-agentcash-validator/SKILL.md",
"aliases": [
"/skills/clashofcoins-agentcash-validator/skill.md",
"/skills/clashofcoins-agentcash-validator"
],
"clients": [
"openclaw",
"claude",
"cursor",
"codex",
"generic-agent-skills"
],
"bundle": {
"openaiConfigPath": "/skills/clashofcoins-agentcash-validator/agents/openai.yaml"
},
"audience": "agents",
"url": "https://x402.clashofcoins.com/skills/clashofcoins-agentcash-validator/SKILL.md",
"aliasUrls": [
"https://x402.clashofcoins.com/skills/clashofcoins-agentcash-validator/skill.md",
"https://x402.clashofcoins.com/skills/clashofcoins-agentcash-validator"
],
"bundleUrls": {
"openaiConfigPath": "https://x402.clashofcoins.com/skills/clashofcoins-agentcash-validator/agents/openai.yaml"
},
"format": "agent-skills-v1"
},
{
"id": "clashofcoins-buyer",
"name": "Clash of Coins Sale Buyer",
"description": "Sale-only purchase skill for presale and Agentic Pass lots.",
"path": "/skills/clashofcoins-sale-buyer/SKILL.md",
"aliases": [
"/skills/clashofcoins-sale-buyer/skill.md",
"/skills/clashofcoins-sale-buyer",
"/skills/clashofcoins-buyer/SKILL.md",
"/skills/clashofcoins-buyer/skill.md",
"/skills/clashofcoins-buyer"
],
"clients": [
"openclaw",
"claude",
"cursor",
"codex",
"generic-agent-skills"
],
"bundle": {
"openaiConfigPath": "/skills/clashofcoins-sale-buyer/agents/openai.yaml"
},
"audience": "agents",
"url": "https://x402.clashofcoins.com/skills/clashofcoins-sale-buyer/SKILL.md",
"aliasUrls": [
"https://x402.clashofcoins.com/skills/clashofcoins-sale-buyer/skill.md",
"https://x402.clashofcoins.com/skills/clashofcoins-sale-buyer",
"https://x402.clashofcoins.com/skills/clashofcoins-buyer/SKILL.md",
"https://x402.clashofcoins.com/skills/clashofcoins-buyer/skill.md",
"https://x402.clashofcoins.com/skills/clashofcoins-buyer"
],
"bundleUrls": {
"openaiConfigPath": "https://x402.clashofcoins.com/skills/clashofcoins-sale-buyer/agents/openai.yaml"
},
"format": "agent-skills-v1"
},
{
"id": "clashofcoins-integrator",
"name": "Clash of Coins Sale Integrator",
"description": "Sale-only discovery and integration skill for scanner and registry consumers.",
"path": "/skills/clashofcoins-sale-integrator/SKILL.md",
"aliases": [
"/skills/clashofcoins-sale-integrator/skill.md",
"/skills/clashofcoins-sale-integrator",
"/skills/clashofcoins-integrator/SKILL.md",
"/skills/clashofcoins-integrator/skill.md",
"/skills/clashofcoins-integrator"
],
"clients": [
"openclaw",
"claude",
"cursor",
"codex",
"generic-agent-skills"
],
"bundle": {
"openaiConfigPath": "/skills/clashofcoins-sale-integrator/agents/openai.yaml"
},
"audience": "agents",
"url": "https://x402.clashofcoins.com/skills/clashofcoins-sale-integrator/SKILL.md",
"aliasUrls": [
"https://x402.clashofcoins.com/skills/clashofcoins-sale-integrator/skill.md",
"https://x402.clashofcoins.com/skills/clashofcoins-sale-integrator",
"https://x402.clashofcoins.com/skills/clashofcoins-integrator/SKILL.md",
"https://x402.clashofcoins.com/skills/clashofcoins-integrator/skill.md",
"https://x402.clashofcoins.com/skills/clashofcoins-integrator"
],
"bundleUrls": {
"openaiConfigPath": "https://x402.clashofcoins.com/skills/clashofcoins-sale-integrator/agents/openai.yaml"
},
"format": "agent-skills-v1"
},
{
"id": "clashofcoins-shop-buyer",
"name": "Clash of Coins Shop Buyer",
"description": "Shop-only purchase skill for in-game items.",
"path": "/skills/clashofcoins-shop-buyer/SKILL.md",
"aliases": [
"/skills/clashofcoins-shop-buyer/skill.md",
"/skills/clashofcoins-shop-buyer"
],
"clients": [
"openclaw",
"claude",
"cursor",
"codex",
"generic-agent-skills"
],
"bundle": {
"openaiConfigPath": "/skills/clashofcoins-shop-buyer/agents/openai.yaml"
},
"audience": "agents",
"url": "https://x402.clashofcoins.com/skills/clashofcoins-shop-buyer/SKILL.md",
"aliasUrls": [
"https://x402.clashofcoins.com/skills/clashofcoins-shop-buyer/skill.md",
"https://x402.clashofcoins.com/skills/clashofcoins-shop-buyer"
],
"bundleUrls": {
"openaiConfigPath": "https://x402.clashofcoins.com/skills/clashofcoins-shop-buyer/agents/openai.yaml"
},
"format": "agent-skills-v1"
},
{
"id": "clashofcoins-shop-integrator",
"name": "Clash of Coins Shop Integrator",
"description": "Shop-only discovery and integration skill for scanners and platform adapters.",
"path": "/skills/clashofcoins-shop-integrator/SKILL.md",
"aliases": [
"/skills/clashofcoins-shop-integrator/skill.md",
"/skills/clashofcoins-shop-integrator"
],
"clients": [
"openclaw",
"claude",
"cursor",
"codex",
"generic-agent-skills"
],
"bundle": {
"openaiConfigPath": "/skills/clashofcoins-shop-integrator/agents/openai.yaml"
},
"audience": "agents",
"url": "https://x402.clashofcoins.com/skills/clashofcoins-shop-integrator/SKILL.md",
"aliasUrls": [
"https://x402.clashofcoins.com/skills/clashofcoins-shop-integrator/skill.md",
"https://x402.clashofcoins.com/skills/clashofcoins-shop-integrator"
],
"bundleUrls": {
"openaiConfigPath": "https://x402.clashofcoins.com/skills/clashofcoins-shop-integrator/agents/openai.yaml"
},
"format": "agent-skills-v1"
}
],
"mcp": {
"manifestUrl": "https://x402.clashofcoins.com/.well-known/mcp.json",
"legacyManifestUrl": "https://x402.clashofcoins.com/mcp.json",
"endpoint": "https://x402.clashofcoins.com/mcp",
"legacyEndpoint": "https://x402.clashofcoins.com/mcp.json",
"protocolVersion": "2025-11-25",
"transportType": "streamable-http",
"transport": "stdio",
"command": "npm",
"args": [
"--prefix",
"apps/gateway",
"run",
"mcp"
],
"shellCommand": "npm run mcp:gateway",
"cursorConfigPath": ".cursor/mcp.json",
"baseUrlEnv": "GATEWAY_MCP_BASE_URL",
"defaultBaseUrl": "https://x402.clashofcoins.com",
"tools": [
"discover_gateway",
"list_products",
"get_catalog",
"get_item_details",
"buy_item",
"prepare_purchase",
"quote_purchase",
"check_purchase_status",
"get_health",
"get_chain_info",
"check_wallet_item_status",
"get_agent_wallet_info",
"quote_agent_order",
"create_agent_order",
"get_agent_order"
],
"resources": [
"clash-of-coins://service/discovery",
"clash-of-coins://service/openapi",
"clash-of-coins://service/catalog",
"clash-of-coins://service/openapi-full",
"clash-of-coins://service/llms-text",
"clash-of-coins://service/skill",
"clash-of-coins://service/health"
],
"prompts": [
"browse_clash_catalog",
"prepare_clash_purchase",
"agent_wallet_purchase",
"explore_clash_protocols"
]
},
"checkouts": {
"sale": {
"name": "Clash of Coins",
"description": "Agentic checkout for Clash of Coins",
"openApiUrl": "https://x402.clashofcoins.com/openapi.json",
"agentUrl": "https://x402.clashofcoins.com/.well-known/agent.json",
"rootPath": "/"
},
"shop": {
"name": "Clash of Coins",
"description": "Agentic checkout for Clash of Coins",
"openApiUrl": "https://x402.clashofcoins.com/shop/openapi.json",
"fullOpenApiUrl": "https://x402.clashofcoins.com/shop/openapi.full.json",
"skillsUrl": "https://x402.clashofcoins.com/shop/skill.md",
"agentUrl": "https://x402.clashofcoins.com/shop/.well-known/agent.json",
"rootPath": "/shop"
}
},
"agentWallet": {
"mountPath": "/agent-wallet",
"fundingRoute": "/agent-wallet/x402/fund",
"statusRoutePrefix": "/agent-wallet/x402/purchases",
"fundingProtocol": "x402",
"autoExecuteOnFunding": true,
"mode": "agent_wallet_x402_funded",
"supportedPurchaseProtocols": {
"sale": [
"x402"
],
"shop": [
"x402"
]
},
"paymentNetworkId": "eip155:8453",
"paymentCurrency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"paymentCurrencySymbol": "USDC",
"walletProvider": "cdp",
"agentAddress": "0x93862e5b2b1fa10a01772e7e9ca7cdc7deb5ca25",
"treasuryAddress": "0x8b29dabd6fbb5a09dacbc7978eaed66a8540721d",
"passportStatus": "not_configured",
"passportRegistry": "0x8004a169fb4a3325136eb29fa0ceb6d2e539a432",
"passportAgentId": "45258",
"passportUri": "https://x402.clashofcoins.com/.well-known/agent.json",
"siwaEnabled": true,
"siwxEnabled": false
}
}
}