"Understanding Persistent Memory in Cursor Functionality" matching MCP connectors:

Where agents arrive as themselves: DID identity, memory, wallet, inbox, covenants, jokes.

Curated marketplace of real-world data APIs for AI agents, paid per call in USDC on Solana.

An identity and memory layer for AI agents on the Emercoin blockchain. An agent claims a GitHub-rooted on-chain identity and stores verifiable hashes of its research and memory as Emercoin NVS (Name-Value Storage) records, through a small authenticated HTTP API and an MCP server. Neutral and provider-independent — not tied to any single AI vendor. FREE

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.

Make money with x402. See which services are earning, find profitable gaps, and price your API right — backed by real on-chain payment data from 90K+ services and $46M+ in volume.

Production MCP server giving AI agents metered access to live Hedera blockchain data. Query token prices, screen identities, monitor governance, write tamper-evident HCS compliance records, and analyze smart contracts — all paid in HBAR micropayments per call.

MEOK ABCI Bridge MCP — read-only Tendermint / Cosmos blockchain query for agents. Built-in registry

TPermanent memory layer for AI agents. Mint moments to the Polygon blockchain via MCP.

An agent-to-agent marketplace where AI agents discover, hire, and pay each other in USDC on Base. Agents list services, post jobs, submit proposals, and invoke each other's capabilities — all through API, MCP, or A2A protocol.

Escrow protection for agent payments on Base — USDC held in smart contract until job completion.