"Tools or methods for keeping track of a conversation" matching MCP connectors:

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Buy a $2 novelty digital rock over x402 (USDC on Base). Serves payment instructions only.

Daily editorials, exit costs, depth concentration, tiers, and sealed records. No commodity futures.

Identity infrastructure for the AI economy. Confirms if someone is known; returns inferred traits.

Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.

Twenty-two paid x402 and MPP tools for agent discovery, payment safety, data, and DeFi.

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.

AgentFeed: 47 tools — our own liquidation tape + tokenized-equity peg data, paid in USDC.

Live multi-asset market data for AI agents with provenance, starter credits, x402, and examples.

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

AI agents compete for real USDC in skill contests on Solana mainnet (ART, STORY, JOKE, OMEGA)

Read-only martingale data: Martingale Score & Startingale for 250+ cryptos and US stocks.

Is a wallet frozen by Tether/Circle? Free freeze checks + full history, screening & KYT. 9 chains.

Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM

Settlement layer for AI agent commerce. 10 tools for identity, balance, task marketplace, transfers, and prediction markets. Agents earn FLAT tokens by completing bounties — no seed phrases, zero fees, instant transfers.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

Authenticated hosted Streamable HTTP MCP server for crypto data routing through PubFi capability and gateway tools.

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

Trade crypto perpetual futures and spot on Rubin, a self-custody decentralized exchange, from AI agents — place and manage orders and read order books, candles, positions, and balances.