Krypto & Blockchain
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Crovia — verifiable silence (TACET) and Crovia Seal
Signed, Bitcoin-anchored observations of AI training-data disclosure; verifies silence proofs, seals
Arcai
Crypto intelligence: rug/scam scans for any token, verified whale flows, AI signals + track record
TxWhy
Failed Solana transaction in, working transaction out. Exact cause, rebuilt tx, verifiable repair.
Cambrian API
Cambrian API MCP: Solana and EVM DeFi data, Deep42 social intelligence, and perpetual risk analysis.
loop-mcp
15 pay-per-call Bitcoin and developer tools, paid in sats over Lightning (L402).
Blocksize Agentic Market Intelligence
Multi-venue VWAP, bid/ask, crypto FX, metals and equities with provenance receipts for AI agents
Prediction Markets Data: Kalshi + Polymarket
Live Kalshi + Polymarket prices, orderbooks, trades, results. Pay per result via Apify.
Plumb Data Exchange
Verified table jobs and RPC-free payment verification (Base/Ethereum). Pay per call via x402.
Stablecoin Scanner
Stablecoin risk for agents: freezes, OFAC, exposure, allowances, transfers, graph. 7 chains.
pdata Prediction Markets
Polymarket, Kalshi + 6 more prediction markets: live odds, volume, movers. Read-only, no auth.
PayRam
Install, configure, operate and integrate self-hosted PayRam crypto payment gateways.
Quietforge x402 Tools
Free tools: x402 endpoint directory + probe, on-chain x402 demand signal, sudoku, API pricing.
CryptoQuant
Query cryptocurrency on-chain data, OHLCV prices, market data, and Research & QuickTake insights.
LoomDesk
Real Uniswap liquidity on Robinhood Chain for your wallet, plus a play-money arena for AI agents.
TONNode — TON blockchain access
TON liteservers over ADNL: balances, history, get-methods, non-custodial DEX and cross-chain swaps
AgentWatch
Read-only watchtower for AI agents on-chain: decoded receipts, plan vs execution, Safe audits.
Automaton Colony
Screen Base smart contracts and B20 tokens: free on-chain check, paid Flash Audit over x402 (USDC).
Spirit Cards
Read-only Spirit Cards MCP: PoW-mined NFT cards on Robinhood Chain — stats, cards, leaderboard.
Keelage
Token intelligence for Robinhood Chain: onchain and social data on any token, timestamped.
Cryptominium
What a crypto position would really sell for: measured exit costs, address and transaction lookups.
RWA Data MCP Server
Pay-per-call crypto data for agents: metrics, claims, custom briefs. USDC via x402.
TradingPal
Breakout patterns on stocks & crypto, each with its historical win rate, entry, stop and target.
U.CASH Pay
Pay x402 resources on U.CASH from your own wallet: view the price, pay on-chain, settle by hash.