"A guide on how to deploy a web app" matching MCP connectors:

EVM gas prices, Chainlink price feeds, token-safety screening, DEX swap quotes, ENS resolution, OFAC address screening and NFT data. Pay-per-call in USDC on Base via x402 — no signup, no API keys.

Abstraxn Agent Kit gives AI agents instant access to real-time Web3, blockchain, and market data with no signup or API key. Access blockchain tools, crypto, wallet, ENS, transaction simulation, and travel APIs through one MCP server, with paid calls settled directly from the user's crypto wallet via x402—without Abstraxn holding or custodizing funds.

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.

See what actually settles on x402: wash-adjusted volume, payTo checks. Free, no key, no signup.

Search, buy, and manage domains, DNS records, orders, and NFSC balance on Namefi.

MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

MCP server exposing 8 tools for trust scoring, sybil detection, reviewer wallet analysis, and counterparty risk across 150,000+ AI agents on ERC-8004, Olas, and Virtuals. Streamable HTTP, JSON-RPC 2.0, no API key required.

Gasless, MEV-protected onchain token swaps for AI agents on 14 EVM chains, built on CoW Protocol.

The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat

Free pump.fun and Solana token discovery and on-chain analysis tools, by three.ws.

Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d

Ask what you can't be sure of. Read-only checks on tokens, NFTs, wallets and contracts.

EVM gas, Chainlink prices, token-safety, swap quotes, ENS, OFAC & NFT via x402.

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

Reputation oracle for AI agents on Base: SAFE/CAUTION/BLOCK + 0-100 score before you pay. x402+MCP

Onchain loyalty MCP on Base: programs, mint, rewards, vouchers for AI agents.

Deploy and manage blockchain nodes across 70+ protocols, search docs, request testnet funds.

Prediction-market fee/KYC/withdrawal data, venue recommendations, and a paid x402 change feed.