"Managing Files in Nextcloud (Create, Read, Update, Delete Operations)" matching MCP connectors:
Matching Connector Tools:
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.
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.
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.
Twelve tools: token, wallet, contract and site security. Two free, the rest $1 in USDC over x402.
Abstraxn: public Web3 MCP server for read-only chain data and pay-per-call relays.
Read-only XRP Ledger MCP tools with proof-annotation envelopes and signed daily snapshots.
Screen tokens, inspect wallets, simulate transactions, price priority fees. $0.02 in USDC.
Free Web3 icons, illustrations, animated SVGs, and Lottie JSON by Yuhitsuro. Read-only.
Token swaps and honeypot/rug checks for AI agents on 8 chains, paid per-call in USDC via x402.
Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.
Resolve any EVM contract ABI (even unverified, via decompilation), read, simulate, prepare txs.
Read-only crypto safety: token honeypot checks, EIP-712 signature decode, approval scans.
Read-only on-chain intel for AI agents on Base: balances, tokens, gas, tx status. No API keys.
Read-only gateway for durable agent identity, consent, recognized work, and signed receipts.
Rubin: self-custody DEX for crypto perpetuals & spot - trade, read positions, orders, balances.
BTC Decision Terminal for AI Agents — live vault-backed signals, on-chain proof, cross-chain swap. Verify in real time.
Evidence-based market data for AI agents deploying capital in DeFi. Empirical, not advertised.
Burn-to-create looksmaxxing engine on MegaETH. 14 MCP tools for DeFi, NFTs, and burns.
The OpenZeppelin Stellar Contracts MCP server generates secure smart contracts for the Stellar blockchain based on OpenZeppelin templates. It integrates with AI assistants to automatically enforce OpenZeppelin's security best practices, style rules, and standards at every prompt, enabling developers to create production-ready Fungible Token, Non-Fungible Token, and Stablecoin contracts through AI-driven workflows.