"Understanding how memory is stored or memory storage methods" matching MCP servers:

• Filecoin Onchain Cloud MCP

  FIL-Builders

  A

  license

  -

  quality

  D

  maintenance

  Provides AI agents with seamless access to Filecoin's decentralized storage network for persistent file storage and dataset management. It features automatic payment handling, CDN support, and cost estimation tools for efficient storage operations.

  Last updated 2026-06-16

  7

  10

  MIT

• Weather MCP Tool

  Latinum-Formal-Methods

  F

  license

  D

  quality

  D

  maintenance

  A Model Context Protocol tool that provides weather information for cities, with London access requiring Solana devnet payment via the Latinum Wallet MCP server.

  Last updated 2025-08-05

  1

• First Dollar

  lisamaraventano-spine

  A

  license

  -

  quality

  B

  maintenance

  A curriculum that teaches AI agents how to spend their own money. Sixteen lessons from "what is a wallet" to your first x402 purchase. Teacher, not butler — never signs, pays, or holds keys.

  Last updated 2026-05-26

  78

  MIT

• solana-mcp-server

  aldrin-labs

  A

  license

  -

  quality

  D

  maintenance

  mcp server that allows to do actual actions related to solana first version adds knowledge about RPC methods and how to call them

  Last updated 2025-04-16

  24

  The Unlicense

• arbitova-mcp-server

  jiayuanliang0716-max

  A

  license

  A

  quality

  C

  maintenance

  Non-custodial on-chain escrow + AI arbitration for agent-to-agent USDC payments on Base. Seven tools wrap a verified EscrowV1 contract — create, deliver, confirm, dispute, resolve — with read-only introspection if no wallet key is provided.

  Last updated 2026-04-28

  7

  2

  MIT

• solidity-sentinel

  Baneado98

  A

  license

  A

  quality

  C

  maintenance

  Enables static security audit of Solidity smart contracts by analyzing source code or deployed bytecode for vulnerabilities, providing risk scores and detailed findings.

  Last updated 2026-06-23

  1

  MIT

• idios

  honeytones

  A

  license

  A

  quality

  B

  maintenance

  Private escrow for AI agent work on Beam mainnet an agent locks payment, the worker locks collateral, and delivery settles on hash match or review, with M of N arbitrator voting and slashable worker bonds as the dispute backstop. 22 tools cover the full contract lifecycle, and dispute voting is deliberately not an agent tool, so an agent can never rule in its own favour.

  Last updated 2026-07-23

  24

  MIT
• 

  tradallo-reputationofficial

  tradallo

  A

  license

  A

  quality

  D

  maintenance

  MCP server for the Tradallo Verified Record Protocol — query cryptographically-verified human and AI-agent trading reputations (track records, agent version history, paginated UTRs, on-chain Solana memo notarization). Every response is JCS-canonicalized + ed25519-verified locally before returning.

  Last updated 2026-05-04

  5

  97

  1

  MIT
• 

  persistenceone-bridgekittyofficial

  persistenceOne

  A

  license

  A

  quality

  B

  maintenance

  Cross-chain bridge aggregator MCP server for AI agents. Compares routes across LI.FI, deBridge, Relay, Across and Squid to find the best rate. Use when an agent needs to bridge or swap tokens between EVM chains, Solana, or Cosmos. The aggregator of aggregators.

  Last updated 2026-06-16

  12

  95

  MIT

• toreador-mcp-server

  Logitale

  A

  license

  A

  quality

  C

  maintenance

  Generate crypto QR codes (BTC, ETH, SOL, USDC, USDT, EURC) and manage payment sessions from Claude Desktop or any MCP client. Non-custodial, free.

  Last updated 2026-06-06

  5

  66

  1

  MIT

• PayQL

  PaulieB14

  A

  license

  A

  quality

  B

  maintenance

  PayQL is an MCP server that lets any AI agent query The Graph and pay per query in USDC — gasless, keyless, bring-your-own-wallet.

  Last updated 2026-07-16

  5

  4

  MIT

• uniswap-tx-builder

  Yummybait-fin

  A

  license

  A

  quality

  B

  maintenance

  A keyless MCP server that builds unsigned Uniswap v3 liquidity-position transactions and optionally simulates them via eth_call; it never holds keys or signs.

  Last updated 2026-07-24

  8

  8

  296

  Apache 2.0

• base-batch-send-mcp

  lordbasilaiassistant-sudo

  A

  license

  A

  quality

  D

  maintenance

  Enables AI agents to batch-send ETH or ERC-20 tokens to multiple recipients in one transaction on Base, drastically reducing gas costs.

  Last updated 2026-03-07

  4

  7

  1

  MIT

• obol-mcp

  superbigroach

  A

  license

  A

  quality

  C

  maintenance

  Lets AI agents discover, pay for, and call any HTTP API per request using USDC, with gasless nanopayments and no API keys or accounts needed.

  Last updated 2026-07-11

  5

  303

  MIT

• x402 MCP Server

  jameswilliamwisdom

  A

  license

  A

  quality

  B

  maintenance

  Provides pay-per-use tools for AI agents like web screenshots and crypto intelligence using automatic USDC micropayments on the Base network. It simplifies access to premium APIs by handling blockchain transactions automatically when a payment is required.

  Last updated 2026-07-22

  12

  10

  MIT

• SOL Claimer MCP Server

  solclaimer

  A

  license

  A

  quality

  A

  maintenance

  An MCP server that enables AI assistants to analyze Solana wallets for empty or low-value token accounts. It allows users to identify opportunities to recover SOL rent by closing or burning these accounts through the SOL Claimer API.

  Last updated 2026-04-19

  4

  8

  MIT

• Keeta Network MCP Server

  schenkty

  F

  license

  A

  quality

  D

  maintenance

  Provides AI agents with native access to the Keeta Network Layer 1 blockchain for payments, asset transfers, and compliance-ready financial infrastructure. It features a dynamic, self-describing architecture that allows agents to automatically discover and execute SDK methods at runtime.

  Last updated 2026-04-01

  9

  3

• novai-mcp-server

  0x-devc

  A

  license

  A

  quality

  C

  maintenance

  Read-only access to the live NOVAI blockchain (an AI-native L1) over public JSON-RPC. Query blocks, transactions, AI entities, on-chain signals, oracle anchors, and memory objects. No keys, no write paths.

  Last updated 2026-06-17

  12

  79

  1

  MIT

• Nodeflare-mcp

  Nodeflare-app

  A

  license

  A

  quality

  A

  maintenance

  Blockchain JSON-RPC on 23 EVM chains for AI agents — Ethereum, Base, Arbitrum, plus young chains like Robinhood Chain, Plasma and Ink. Free reads with no key; heavy methods (eth_getLogs, trace, debug) via a free API key or x402 USDC pay-per-call.

  Last updated 2026-07-24

  12

  923

  MIT

• thebuyside-x402-agent

  jaysperspective

  A

  license

  A

  quality

  A

  maintenance

  The MCP gateway that lets any AI agent discover and pay metered APIs on Base or Solana — without the user wiring payments themselves.

  Last updated 2026-06-07

  3

  22

  1

  Apache 2.0