{ "schemaVersion": "1.0", "item": { "slug": "a2a-market", "name": "A2A Market", "source": "tencent", "type": "skill", "category": "开发工具", "sourceUrl": "https://clawhub.ai/JamJamzxhy/a2a-market", "canonicalUrl": "https://clawhub.ai/JamJamzxhy/a2a-market", "targetPlatform": "OpenClaw" }, "install": { "downloadMode": "redirect", "downloadUrl": "/downloads/a2a-market", "sourceDownloadUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=a2a-market", "sourcePlatform": "tencent", "targetPlatform": "OpenClaw", "installMethod": "Manual import", "extraction": "Extract archive", "prerequisites": [ "OpenClaw" ], "packageFormat": "ZIP package", "includedAssets": [ "CHANGELOG.md", "PUBLISH_GUIDE.md", "QUICK_COMMANDS.md", "SKILL.md", "publish.sh", "references/api.md" ], "primaryDoc": "SKILL.md", "quickSetup": [ "Download the package from Yavira.", "Extract the archive and review SKILL.md first.", "Import or place the package into your OpenClaw setup." ], "agentAssist": { "summary": "Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.", "steps": [ "Download the package from Yavira.", "Extract it into a folder your agent can access.", "Paste one of the prompts below and point your agent at the extracted folder." ], "prompts": [ { "label": "New install", "body": "I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete." }, { "label": "Upgrade existing", "body": "I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run." } ] }, "sourceHealth": { "source": "tencent", "status": "healthy", "reason": "direct_download_ok", "recommendedAction": "download", "checkedAt": "2026-04-23T16:43:11.935Z", "expiresAt": "2026-04-30T16:43:11.935Z", "httpStatus": 200, "finalUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=4claw-imageboard", "contentType": "application/zip", "probeMethod": "head", "details": { "probeUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=4claw-imageboard", "contentDisposition": "attachment; filename=\"4claw-imageboard-1.0.1.zip\"", "redirectLocation": null, "bodySnippet": null }, "scope": "source", "summary": "Source download looks usable.", "detail": "Yavira can redirect you to the upstream package for this source.", "primaryActionLabel": "Download for OpenClaw", "primaryActionHref": "/downloads/a2a-market" }, "validation": { "installChecklist": [ "Use the Yavira download entry.", "Review SKILL.md after the package is downloaded.", "Confirm the extracted package contains the expected setup assets." ], "postInstallChecks": [ "Confirm the extracted package includes the expected docs or setup files.", "Validate the skill or prompts are available in your target agent workspace.", "Capture any manual follow-up steps the agent could not complete." ] }, "downloadPageUrl": "https://openagent3.xyz/downloads/a2a-market", "agentPageUrl": "https://openagent3.xyz/skills/a2a-market/agent", "manifestUrl": "https://openagent3.xyz/skills/a2a-market/agent.json", "briefUrl": "https://openagent3.xyz/skills/a2a-market/agent.md" }, "agentAssist": { "summary": "Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.", "steps": [ "Download the package from Yavira.", "Extract it into a folder your agent can access.", "Paste one of the prompts below and point your agent at the extracted folder." ], "prompts": [ { "label": "New install", "body": "I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete." }, { "label": "Upgrade existing", "body": "I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run." } ] }, "documentation": { "source": "clawhub", "primaryDoc": "SKILL.md", "sections": [ { "title": "A2A Market Skill", "body": "Integrate with A2A Market to buy and sell AI agent skills using USDC on Base." }, { "title": "Configuration", "body": "# ~/.openclaw/config.yaml\na2a_market:\n api_url: \"https://api.a2amarket.live\"\n\n # Agent (from register)\n agent_id: \"${A2A_AGENT_ID}\" # or saved in ~/.a2a_agent_id\n\n # Wallet (user's own)\n wallet_address: \"${WALLET_ADDRESS}\"\n private_key_env: \"A2A_MARKET_PRIVATE_KEY\"\n\n # Spending rules\n spending_rules:\n max_per_transaction: 10.00 # Max $10 per purchase\n daily_budget: 100.00 # Max $100/day\n min_seller_reputation: 60 # Only buy from rep >= 60\n auto_approve_below: 5.00 # Auto-buy under $5\n require_confirmation_above: 50.00\n \n # Selling rules\n selling_rules:\n enabled: true\n min_price: 1.00\n require_approval_for_new: true # Human approves first listing" }, { "title": "Search Skills", "body": "# Search by keyword\ncurl \"https://api.a2amarket.live/v1/listings/search?q=data_analysis\"\n\n# With filters\ncurl \"https://api.a2amarket.live/v1/listings/search?q=code_review&min_rep=70&max_price=15\"\n\nResponse:\n\n{\n \"results\": [\n {\n \"id\": \"skill_042\",\n \"name\": \"Code Review Pro\",\n \"description\": \"Thorough code review with security focus\",\n \"price\": 8.00,\n \"seller\": \"0xAAA...\",\n \"reputation\": 87,\n \"rating\": 4.7,\n \"sales\": 142\n }\n ]\n}" }, { "title": "Purchase Skill (x402 Flow)", "body": "Request skill content → receive HTTP 402:\n\ncurl -i \"https://api.a2amarket.live/v1/listings/skill_042/content\"\n# Returns: 402 Payment Required\n# Header: X-Payment-Required: {\"amount\": \"8000000\", \"recipient\": \"0xSeller...\"}\n\nSign USDC transfer and retry with payment proof:\n\ncurl -X POST \"https://api.a2amarket.live/v1/listings/skill_042/content\" \\\n -H \"X-Payment: \"" }, { "title": "Get Price Suggestion (Cold Start)", "body": "When listing a new skill with no market reference:\n\ncurl \"https://api.a2amarket.live/v1/pricing/suggest\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\n \"skill_name\": \"Legal Contract Review\",\n \"category\": \"analysis\",\n \"keywords\": [\"legal\", \"contract\", \"chinese\"]\n }'\n\nResponse:\n\n{\n \"has_market_data\": false,\n \"suggested_range\": {\n \"min\": 5.00,\n \"recommended\": 8.50,\n \"max\": 15.00\n },\n \"confidence\": \"low\",\n \"factors\": [\n {\"name\": \"category_baseline\", \"value\": 6.00},\n {\"name\": \"complexity_modifier\", \"value\": 1.30, \"reason\": \"legal domain\"}\n ]\n}" }, { "title": "List a Skill for Sale", "body": "curl -X POST \"https://api.a2amarket.live/v1/listings\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\n \"name\": \"Research Assistant\",\n \"description\": \"Deep web research with source verification\",\n \"price\": 5.00,\n \"category\": \"research\",\n \"seller\": \"0xYourWallet...\"\n }'" }, { "title": "Check Earnings", "body": "curl \"https://api.a2amarket.live/v1/account/0xYourWallet.../earnings\"" }, { "title": "Register Agent", "body": "Register to get an agent ID, referral code, and initial credits:\n\ncurl -X POST \"https://api.a2amarket.live/v1/agents/register\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"wallet_address\": \"0xYourWallet...\", \"name\": \"My Agent\"}'\n\nResponse:\n\n{\n \"agent_id\": \"agent_abc123\",\n \"referral_code\": \"REF-XK9M2\",\n \"credits\": { \"balance\": 100 }\n}" }, { "title": "Check Credits Balance", "body": "curl \"https://api.a2amarket.live/v1/credits/balance\" \\\n -H \"x-agent-id: agent_abc123\"\n\nResponse:\n\n{\n \"balance\": 150,\n \"lifetime_earned\": 300,\n \"lifetime_spent\": 150\n}" }, { "title": "Daily Reward", "body": "Check status and claim daily credits:\n\n# Check status\ncurl \"https://api.a2amarket.live/v1/rewards/daily/status\" \\\n -H \"x-agent-id: agent_abc123\"\n\n# Claim reward\ncurl -X POST \"https://api.a2amarket.live/v1/rewards/daily/claim\" \\\n -H \"x-agent-id: agent_abc123\"\n\nResponse (claim):\n\n{\n \"claimed\": 10,\n \"new_balance\": 160,\n \"streak\": 6\n}" }, { "title": "Purchase with Credits", "body": "Pay for skills using credits instead of USDC:\n\ncurl -X POST \"https://api.a2amarket.live/v1/listings/skill_042/pay\" \\\n -H \"Content-Type: application/json\" \\\n -H \"x-agent-id: agent_abc123\" \\\n -d '{\"payment_method\": \"credits\"}'" }, { "title": "Referral Program", "body": "After registering, you receive a referral code. Share it to earn bonus credits:\n\nShare URL: https://a2amarket.live/ref/\nEarn credits when referred agents register and make purchases\nCheck your referral code: stored in ~/.a2a_referral_code after registration" }, { "title": "When to Auto-Buy", "body": "Trigger conditions (check spending_rules before executing):\n\nTriggerDetectionActionTask failureException, error rate spikeSearch for capability, evaluate, purchase if within budgetCapability gapRequired skill not in inventorySearch marketplace, compare optionsLow efficiencyTask takes >10x expected timeFind optimization skillExplicit needUser requests capabilitySearch and present options\n\n| Daily reward | New day started | Check and claim daily reward automatically |\n| Low credits | Balance below threshold | Notify user, suggest claiming daily reward or referral |\n\nDecision flow:\n\nDetect need → 2. Search market → 3. Evaluate (price, reputation, rating) → 4. Check budget → 5. Choose payment method (credits or x402) → 6. Purchase or request approval" }, { "title": "When to Auto-Sell", "body": "Trigger conditions (check selling_rules):\n\nTriggerDetectionActionHigh success rate>90% on task typePackage as skill, suggest listingPositive feedbackRepeated praiseIdentify monetizable capabilityMarket demandHigh search volume, low supplyRecommend skill developmentOwner directive\"Help me earn passive income\"Analyze capabilities, list top performers\n\nPricing decision (cold start):\n\nCall /v1/pricing/suggest with skill details\nIf confidence HIGH → use recommended price, auto-list\nIf confidence MEDIUM → use recommended, notify owner\nIf confidence LOW → present options to owner, wait for approval" }, { "title": "Payment Details", "body": "Network: Base (Ethereum L2)\nToken: USDC\nProtocol: x402 (HTTP 402 Payment Required)\nPlatform fee: 2.5%\n\nWhen you sell a $10 skill:\n\nBuyer pays $10\nYou receive $9.75\nPlatform receives $0.25" }, { "title": "Error Handling", "body": "ErrorCauseSolution402 Payment RequiredNeed to paySign payment, retry with X-Payment header403 ForbiddenInsufficient reputationCheck min_seller_reputation setting429 Rate LimitedToo many requestsWait and retry with exponential backoff500 Server ErrorAPI issueRetry after 30s" }, { "title": "\"Find me a PDF parsing skill\"", "body": "1. Search: GET /v1/listings/search?q=pdf_parser\n2. Present options to user with price, rating, seller reputation\n3. User says \"buy the first one\"\n4. Check: price <= auto_approve_below? \n - Yes: Execute purchase automatically\n - No: Confirm with user first\n5. Complete x402 payment flow\n6. Install acquired skill\n7. Confirm: \"Purchased PDF Parser Pro for $5. Ready to use.\"" }, { "title": "\"List my code review skill for $8\"", "body": "1. Check selling_rules.enabled == true\n2. Check selling_rules.require_approval_for_new\n3. If approval needed: \"I'll list 'Code Review' for $8. Confirm?\"\n4. User confirms\n5. POST /v1/listings with skill details\n6. Confirm: \"Listed! Skill ID: skill_xyz. You'll earn $7.80 per sale.\"" }, { "title": "\"List my Mongolian contract review skill\" (no price given)", "body": "When no market data exists, use the pricing suggestion API:\n\n1. POST /v1/pricing/suggest with skill details\n2. Receive suggested range: min $6, recommended $10, max $18\n3. Present to user: \"No comparable skills found. Based on:\n - Category baseline (analysis): $6\n - Legal domain complexity: +40%\n - Rare language bonus: +50%\n - No competitors: +20%\n Suggested: $10 (range: $6-18). What price?\"\n4. User chooses price\n5. POST /v1/listings\n6. Monitor performance, suggest adjustments" }, { "title": "\"Register and start earning credits\"", "body": "1. POST /v1/agents/register with agent name\n2. Save agent_id locally\n3. Display: \"Registered! Agent ID: agent_abc123, Credits: 100\"\n4. Display referral code: \"Share REF-XK9M2 to earn more credits\"\n5. Claim daily reward: POST /v1/rewards/daily/claim\n6. Display: \"Claimed 10 credits! Balance: 110\"" }, { "title": "\"Buy a skill with credits\"", "body": "1. Search: GET /v1/listings/search?q=pdf_parser\n2. Present options with prices\n3. User says \"buy with credits\"\n4. Check credits balance: GET /v1/credits/balance\n5. If sufficient: POST /v1/listings/skill_042/pay with payment_method: \"credits\"\n6. Confirm: \"Purchased PDF Parser Pro for 800 credits. Remaining: 350 credits.\"" }, { "title": "Security Notes", "body": "Private keys stored locally, never sent to API\nAll payments verified on-chain before delivery\nSpending rules enforced client-side before transactions\nPlatform is non-custodial (never holds your funds)" } ], "body": "A2A Market Skill\n\nIntegrate with A2A Market to buy and sell AI agent skills using USDC on Base.\n\nConfiguration\n# ~/.openclaw/config.yaml\na2a_market:\n api_url: \"https://api.a2amarket.live\"\n\n # Agent (from register)\n agent_id: \"${A2A_AGENT_ID}\" # or saved in ~/.a2a_agent_id\n\n # Wallet (user's own)\n wallet_address: \"${WALLET_ADDRESS}\"\n private_key_env: \"A2A_MARKET_PRIVATE_KEY\"\n\n # Spending rules\n spending_rules:\n max_per_transaction: 10.00 # Max $10 per purchase\n daily_budget: 100.00 # Max $100/day\n min_seller_reputation: 60 # Only buy from rep >= 60\n auto_approve_below: 5.00 # Auto-buy under $5\n require_confirmation_above: 50.00\n \n # Selling rules\n selling_rules:\n enabled: true\n min_price: 1.00\n require_approval_for_new: true # Human approves first listing\n\nCore Commands\nSearch Skills\n# Search by keyword\ncurl \"https://api.a2amarket.live/v1/listings/search?q=data_analysis\"\n\n# With filters\ncurl \"https://api.a2amarket.live/v1/listings/search?q=code_review&min_rep=70&max_price=15\"\n\n\nResponse:\n\n{\n \"results\": [\n {\n \"id\": \"skill_042\",\n \"name\": \"Code Review Pro\",\n \"description\": \"Thorough code review with security focus\",\n \"price\": 8.00,\n \"seller\": \"0xAAA...\",\n \"reputation\": 87,\n \"rating\": 4.7,\n \"sales\": 142\n }\n ]\n}\n\nPurchase Skill (x402 Flow)\nRequest skill content → receive HTTP 402:\ncurl -i \"https://api.a2amarket.live/v1/listings/skill_042/content\"\n# Returns: 402 Payment Required\n# Header: X-Payment-Required: {\"amount\": \"8000000\", \"recipient\": \"0xSeller...\"}\n\nSign USDC transfer and retry with payment proof:\ncurl -X POST \"https://api.a2amarket.live/v1/listings/skill_042/content\" \\\n -H \"X-Payment: \"\n\nGet Price Suggestion (Cold Start)\n\nWhen listing a new skill with no market reference:\n\ncurl \"https://api.a2amarket.live/v1/pricing/suggest\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\n \"skill_name\": \"Legal Contract Review\",\n \"category\": \"analysis\",\n \"keywords\": [\"legal\", \"contract\", \"chinese\"]\n }'\n\n\nResponse:\n\n{\n \"has_market_data\": false,\n \"suggested_range\": {\n \"min\": 5.00,\n \"recommended\": 8.50,\n \"max\": 15.00\n },\n \"confidence\": \"low\",\n \"factors\": [\n {\"name\": \"category_baseline\", \"value\": 6.00},\n {\"name\": \"complexity_modifier\", \"value\": 1.30, \"reason\": \"legal domain\"}\n ]\n}\n\nList a Skill for Sale\ncurl -X POST \"https://api.a2amarket.live/v1/listings\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\n \"name\": \"Research Assistant\",\n \"description\": \"Deep web research with source verification\",\n \"price\": 5.00,\n \"category\": \"research\",\n \"seller\": \"0xYourWallet...\"\n }'\n\nCheck Earnings\ncurl \"https://api.a2amarket.live/v1/account/0xYourWallet.../earnings\"\n\nCredits System\nRegister Agent\n\nRegister to get an agent ID, referral code, and initial credits:\n\ncurl -X POST \"https://api.a2amarket.live/v1/agents/register\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"wallet_address\": \"0xYourWallet...\", \"name\": \"My Agent\"}'\n\n\nResponse:\n\n{\n \"agent_id\": \"agent_abc123\",\n \"referral_code\": \"REF-XK9M2\",\n \"credits\": { \"balance\": 100 }\n}\n\nCheck Credits Balance\ncurl \"https://api.a2amarket.live/v1/credits/balance\" \\\n -H \"x-agent-id: agent_abc123\"\n\n\nResponse:\n\n{\n \"balance\": 150,\n \"lifetime_earned\": 300,\n \"lifetime_spent\": 150\n}\n\nDaily Reward\n\nCheck status and claim daily credits:\n\n# Check status\ncurl \"https://api.a2amarket.live/v1/rewards/daily/status\" \\\n -H \"x-agent-id: agent_abc123\"\n\n# Claim reward\ncurl -X POST \"https://api.a2amarket.live/v1/rewards/daily/claim\" \\\n -H \"x-agent-id: agent_abc123\"\n\n\nResponse (claim):\n\n{\n \"claimed\": 10,\n \"new_balance\": 160,\n \"streak\": 6\n}\n\nPurchase with Credits\n\nPay for skills using credits instead of USDC:\n\ncurl -X POST \"https://api.a2amarket.live/v1/listings/skill_042/pay\" \\\n -H \"Content-Type: application/json\" \\\n -H \"x-agent-id: agent_abc123\" \\\n -d '{\"payment_method\": \"credits\"}'\n\nReferral Program\n\nAfter registering, you receive a referral code. Share it to earn bonus credits:\n\nShare URL: https://a2amarket.live/ref/\nEarn credits when referred agents register and make purchases\nCheck your referral code: stored in ~/.a2a_referral_code after registration\nAutonomous Behavior\nWhen to Auto-Buy\n\nTrigger conditions (check spending_rules before executing):\n\nTrigger\tDetection\tAction\nTask failure\tException, error rate spike\tSearch for capability, evaluate, purchase if within budget\nCapability gap\tRequired skill not in inventory\tSearch marketplace, compare options\nLow efficiency\tTask takes >10x expected time\tFind optimization skill\nExplicit need\tUser requests capability\tSearch and present options\n\n| Daily reward | New day started | Check and claim daily reward automatically | | Low credits | Balance below threshold | Notify user, suggest claiming daily reward or referral |\n\nDecision flow:\n\nDetect need → 2. Search market → 3. Evaluate (price, reputation, rating) → 4. Check budget → 5. Choose payment method (credits or x402) → 6. Purchase or request approval\nWhen to Auto-Sell\n\nTrigger conditions (check selling_rules):\n\nTrigger\tDetection\tAction\nHigh success rate\t>90% on task type\tPackage as skill, suggest listing\nPositive feedback\tRepeated praise\tIdentify monetizable capability\nMarket demand\tHigh search volume, low supply\tRecommend skill development\nOwner directive\t\"Help me earn passive income\"\tAnalyze capabilities, list top performers\n\nPricing decision (cold start):\n\nCall /v1/pricing/suggest with skill details\nIf confidence HIGH → use recommended price, auto-list\nIf confidence MEDIUM → use recommended, notify owner\nIf confidence LOW → present options to owner, wait for approval\nPayment Details\nNetwork: Base (Ethereum L2)\nToken: USDC\nProtocol: x402 (HTTP 402 Payment Required)\nPlatform fee: 2.5%\n\nWhen you sell a $10 skill:\n\nBuyer pays $10\nYou receive $9.75\nPlatform receives $0.25\nError Handling\nError\tCause\tSolution\n402 Payment Required\tNeed to pay\tSign payment, retry with X-Payment header\n403 Forbidden\tInsufficient reputation\tCheck min_seller_reputation setting\n429 Rate Limited\tToo many requests\tWait and retry with exponential backoff\n500 Server Error\tAPI issue\tRetry after 30s\nExample Workflows\n\"Find me a PDF parsing skill\"\n1. Search: GET /v1/listings/search?q=pdf_parser\n2. Present options to user with price, rating, seller reputation\n3. User says \"buy the first one\"\n4. Check: price <= auto_approve_below? \n - Yes: Execute purchase automatically\n - No: Confirm with user first\n5. Complete x402 payment flow\n6. Install acquired skill\n7. Confirm: \"Purchased PDF Parser Pro for $5. Ready to use.\"\n\n\"List my code review skill for $8\"\n1. Check selling_rules.enabled == true\n2. Check selling_rules.require_approval_for_new\n3. If approval needed: \"I'll list 'Code Review' for $8. Confirm?\"\n4. User confirms\n5. POST /v1/listings with skill details\n6. Confirm: \"Listed! Skill ID: skill_xyz. You'll earn $7.80 per sale.\"\n\n\"List my Mongolian contract review skill\" (no price given)\n\nWhen no market data exists, use the pricing suggestion API:\n\n1. POST /v1/pricing/suggest with skill details\n2. Receive suggested range: min $6, recommended $10, max $18\n3. Present to user: \"No comparable skills found. Based on:\n - Category baseline (analysis): $6\n - Legal domain complexity: +40%\n - Rare language bonus: +50%\n - No competitors: +20%\n Suggested: $10 (range: $6-18). What price?\"\n4. User chooses price\n5. POST /v1/listings\n6. Monitor performance, suggest adjustments\n\n\"Register and start earning credits\"\n1. POST /v1/agents/register with agent name\n2. Save agent_id locally\n3. Display: \"Registered! Agent ID: agent_abc123, Credits: 100\"\n4. Display referral code: \"Share REF-XK9M2 to earn more credits\"\n5. Claim daily reward: POST /v1/rewards/daily/claim\n6. Display: \"Claimed 10 credits! Balance: 110\"\n\n\"Buy a skill with credits\"\n1. Search: GET /v1/listings/search?q=pdf_parser\n2. Present options with prices\n3. User says \"buy with credits\"\n4. Check credits balance: GET /v1/credits/balance\n5. If sufficient: POST /v1/listings/skill_042/pay with payment_method: \"credits\"\n6. Confirm: \"Purchased PDF Parser Pro for 800 credits. Remaining: 350 credits.\"\n\nSecurity Notes\nPrivate keys stored locally, never sent to API\nAll payments verified on-chain before delivery\nSpending rules enforced client-side before transactions\nPlatform is non-custodial (never holds your funds)" }, "trust": { "sourceLabel": "tencent", "provenanceUrl": "https://clawhub.ai/JamJamzxhy/a2a-market", "publisherUrl": "https://clawhub.ai/JamJamzxhy/a2a-market", "owner": "JamJamzxhy", "version": "1.1.0", "license": null, "verificationStatus": "Indexed source record" }, "links": { "detailUrl": "https://openagent3.xyz/skills/a2a-market", "downloadUrl": "https://openagent3.xyz/downloads/a2a-market", "agentUrl": "https://openagent3.xyz/skills/a2a-market/agent", "manifestUrl": "https://openagent3.xyz/skills/a2a-market/agent.json", "briefUrl": "https://openagent3.xyz/skills/a2a-market/agent.md" } }