Crypto & Web3 MCP servers

13 free Base tools: address labels, tx explain, balances, receipts, gas, logs, bytecode.

Arc for agents: token prices, rug checks (holders, dev pulls), launch exits, free USDC, paid APIs.

Read-only offline network profiles, caller-supplied Discovery and historical/synthetic cases.

Crypto intelligence: rug/scam scans for any token, verified whale flows, AI signals + track record

Free tools: x402 endpoint directory + probe, on-chain x402 demand signal, sudoku, API pricing.

Deterministic pre-trade risk checks for AI agents on Robinhood Chain. Returns allow/warn/deny.

Read-only Spirit Cards MCP: PoW-mined NFT cards on Robinhood Chain — stats, cards, leaderboard.

Proof of existence for files: anchor a SHA-256 hash on Base, look up proofs. Paid with x402.

Non-custodial limit, stop-loss and DCA trading on Epsilon (Robinhood Chain) for AI agents

Buyer-side trust oracle + capped sessions for x402 agents: verified_route, receipts, 17 free tools.

Buy & research hot/new memes. Quotes + unsigned swaps; wallet signs. Not a launcher. Fee 0.85%. NFA.

Read-only educational MCP for CryptoDecentral Sovereign. No auth, trading, custody, or advice.

x402 pay-per-call Solana data + crypto market + JWT/unit utils for AI agents.

x402 pay-per-call: onchain data (Solana/Base/Polygon), crypto market, JWT/unit utils, x402 stats.

Look up AI agents on Arc: ERC-8004 identity, feedback, validations and USDC-backed trust scores.

Crypto intel for AI agents: token scans, SWOGE AI colony data, OSINT, web search, images, video

Quote and build unsigned buy/sell transactions for $AI on its HyperEVM bonding curve. No keys held.

Launch Solana coins from your AI. You approve each launch in your wallet and earn creator fees.

Cross-chain swap API for native Bitcoin, Solana and EVM chains. No API key, no custody.

Live Polymarket odds, order books, fee-inclusive quotes and non-custodial prediction trading.

Read-only market research: index funds, event cards, CLOB data, fund analytics. No orders.

Market and on-chain crypto data for AI agents. Pay per call in USDC on Base (x402).

Read-only Solana and Robinhood Chain tools: wallet recovery, token safety, unlocks, upgrades, fees.

Cited Bitcoin coordination record search (~783k). Lightning. MCP. Not prices/chain analytics.

Quote.Trade MCP: login, deposit address, market data, orders, and withdraws.

Bitcoin research for AI agents: free answers, specialist Q&A, verification, evidence, timelines.

Source-backed treasury data, settlement costs. Free instrument records and history.

Compare live gas across up to 9 EVM chains and get the cheapest one. x402 pay-per-call on Base.