"Calibre-Web" matching MCP connectors:

AgentBridge is the only MCP server that gives AI agents access to structured China knowledge assets—university reports, industry briefings, policy analysis, and real-time web content—through x402 micropayments on Base. Everything is machine-readable, pay-per-use, and settled in USDC.

Browse, verify and buy Twelve Permissions NFTs on XRP Ledger. Every claim is checkable.

Verify live jobs/RFPs, deadlines, eligibility, terms changes, and Base/web data via x402.

Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.

Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.

x402 paid APIs for AI agents on Base. Blockchain, wallet, DEX, crypto, web search.

x402-paid tools: EU company & sanctions data, web search, LLM chat, crypto intel, x402 monitoring.

63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.

8 pay-per-call web intel tools over MCP. Free discovery, calls settle in USDC on Base (x402).

x402 toolkit for AI agents: paid web, AI, and Base chain tools per call in USDC. Free tools too.

37 paid x402 MCP tools for OSINT, prediction markets, web intel, and agent security on Base USDC.

Solana token safety for AI agents — rug-pull, honeypot & Token-2022 trap detection before you buy.

Formo

Formo makes analytics and attribution easy for crypto apps, so you can focus on growth. Measure what matters and drive growth onchain with the data platform for onchain apps. Get the best of web, product, and onchain analytics on one versatile platform.

Signed attestations for agents, $0.01/call via x402: URL witness, AI permission, tx finality, JWKS.

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

Open API Marketplace for AI Agents. Crypto data tools with USDC payments on Base.

Pay-per-call (x402/USDC-Base) web + crypto data tools for AI agents: audit, extract, crypto, DeFi.

Bitcoin blockchain MCP server with 17 tools: BTC price/info, mempool fees, transactions, address lookups, blockchain debug, whale alerts, SEC insider trading tracker, web scrape/summarize, systems theory, game theory, capital flows, and Reddit API.

Crypto prices, Polymarket CLOB, AI research & web rendering. x402 Solana payments.

Live MCP endpoint delivering web scraping, PDF extraction, and Base analytics via x402 USDC micropayments.