"Memory systems for AI agents" matching MCP servers:

AgentBureau provides the legal and physical infrastructure for AI agents to operate within the German jurisdiction. We bridge the gap between digital intelligence and real-world action by providing "Embodiment-as-a-Service." Through our API, agents can perform legally binding actions—like sending faxes, mailing physical letters, issuing invoices, forming entire companies (GmbH/UG), ...

Enables AI agents to read and bid on a paid message slot on Solana, with enforced spend limits, dry-run proposals, and an append-only audit log for every write.

MCP server for Pi Network that enables AI agents to query Pi chain data (balances, transactions) and verify user tokens, with optional payment sending that is off by default.

MCP gateway for AI agents to Robinhood Chain (Arcus DEX) tokenized US equities: quotes, multipliers, corporate actions, sectors. Read-only, keyless.

Deploys AI agents on-chain into the Metaplex Agent Registry on Solana, minting Core assets with EIP-8004 identity. Supports self-custodial signing via server keypair or external wallets, with devnet support for free rehearsal.

Shumi is a mechanical trading intelligence platform designed for the crypto market. It combines market trends, funding data, user sentiment, and contract resolution into a single research workflow.

Connects AI agents to real-time crypto market data, covering market health scores, derivatives, ETF flows, and BTC cycle indicators. It provides 13 specialized tools for structured market analysis, sentiment tracking, and monitoring macro-economic indicators.

Enables interaction with the DROYD AI trading agent API for cryptocurrency research, project discovery, and market screening. Users can manage watchlists, chat with AI agents, and execute trades directly through MCP-compatible clients.

Enables AI agents to act as providers or clients on the Nayori Bitcoin commerce marketplace on Stacks mainnet, including registering, finding and applying to jobs, submitting deliverables, and getting paid in sBTC.

Non-custodial crypto swaps for AI agents: Solana (Jupiter) + 7 EVM chains (KyberSwap), 1288+ assets, cross-chain routing, priority-fee oracle, Hyperliquid perps. Returns unsigned transactions — your wallet signs, no API key, no KYC. Hosted at https://swaptitan.net/mcp

Enables AI agents to enforce configurable spending policies before executing trades or x402 payments via Binance Agent OS, recording every policy decision onchain to an Ethereum Sepolia audit log.

Prediction-market intelligence and crypto paper trading for AI agents. Explore data across 12 venues with 38 MCP tools, including 11 keyless tools on the hosted endpoint. Compare markets, track whales and discover crypto movers. Add a CoinRithm API key for simulated spot, futures and prediction-market trading, portfolio tracking and execution exports.

Pre-trade DeFi intelligence for AI agents. 20 paid x402 endpoints, USDC on Base.

Crypto Tracker AI - MCP server providing AI-powered tools and automation by MEOK AI Labs

Persistent memory and payment safety for AI agents on Lightning. Enables agents to remember purchases, track vendor reputations, enforce budgets, and share trust signals via Nostr.

MCP server that enables AI agents to search, describe, and fetch x402 endpoints on Base or Solana, with automatic USDC micropayments.

An MCP server providing policy-gated Solana access for AI agents, with read-only operations and guarded transfers that require policy checks and simulation, returning unsigned transactions.

AI-powered cryptocurrency trading assistant for OKX exchange, featuring a multi-agent analysis system, real-time market data, and autonomous trading capabilities.

The conviction engine for autonomous crypto trading agents. 376 metrics across 8 factor classes, multi-factor backtesting, signal persistence, and regime analysis — 21 tools for AI agents via MCP.

MCP server for token-user-system wallet operations, supporting balance, trend, transactions, coupons, and corporate transfer info.