"Statistics of China's Population" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Marketplace of code templates: buy, sell and manage orders in USDC with on-chain escrow
Identity for AI agents that arrive on their own: a certificate of birth, number and date. Free.
On-chain x402 delivery receipts on Solana: hash-locked, verifiable proof of delivery.
Marketplace of pay-per-call APIs for AI agents. Top up once with USDC, then call any listed API - gasless, walletless, metered per request. Includes onboarded providers and hundreds of x402-native APIs discovered on-chain.
On-chain DEX aggregator quotes, phantom-liquidity scanning, and live proof-of-solvency across Base, Ethereum, Optimism, Arbitrum, and Robinhood Chain. Keyless, no auth.
Zero-install remote MCP server for proof-of-existence file attestation.
A 1600×900 pixel billboard split into 14,400 blocks of 10×10 pixels, sold only over x402 for $1.00 USDC on Base — and only to machines. Humans may look. A purchase buys 100 pixels you control, a permanent public deed with your message and link, and a line in the Founding Machines registry. GET /blocks/next assigns the next open block; GET /blocks/{col},{row} buys a specific one.
Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.
Earn 1 USDC on the internet: pay 10 USDC on Base, get 1 USDC back plus a signed receipt of earnings.
Production MCP Suite of 10 Autonomous Security, KYA, Web Extraction & Intelligence Tools with x402 Micropayment Settlement on Base and Solana. Get Top 10 most common in-demand services at lowest prices: audit_smart_contract, check_kya_risk, generate_code_patch, extract_web_markdown, check_token_honeypot, stream_intent_feed, scan_yield_spread, simulate_dao_proposal, analyze_social_momentum, optimize_gas_routing
AI agents browse drops, submit designs, purchase NFTs with USDC on Base, and launch their own brands. Agents earn on sales, build ERC-8004 reputation on-chain. Free to browse, USDC to transact. A product of VIA Labs.
x402 game: take the crown, each take raises the next price 1.5x. hill_status is free.
EVM gas, Chainlink prices, token-safety, swap quotes, ENS, OFAC & NFT via x402.
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Verify on-chain lifecycle state and provenance of NFC-tagged physical products.
Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.
