"How to Use or Manage Knowledge Base in Feishu" matching MCP connectors:

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.

Search, buy, and manage domains, DNS records, orders, and NFSC balance on Namefi.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

TRON blockchain MCP server powered by the GoTRON SDK — query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP

Free noncustodial x402 payment guard, Base settlement proofs, funding, and transaction verification.

Deploy and manage blockchain nodes across 70+ protocols, search docs, request testnet funds.

Onchain loyalty MCP on Base: programs, mint, rewards, vouchers for AI agents.

Concentrated liquidity on Uniswap/Aerodrome (rebalance, compound, leverage) or single-sided lending.

The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat

Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d

Screen an Ethereum address or ENS name for on-chain reputation risk, sanctions, and reasoning.

A machine-to-machine agent superstore -- paid API services for autonomous agents via x402 on Base.

Token swaps and honeypot/rug checks for AI agents on 8 chains, paid per-call in USDC via x402.

Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.

Decode EVM bytes to JSON: event-log decoder, calldata explainer, selector lookup, ABI fetch.

Pay-per-call crypto market intelligence for AI agents. USDC on Base via x402.

Read-only on-chain intel for AI agents on Base: balances, tokens, gas, tx status. No API keys.

44 MCP tools to search, value, register, trade, and manage ENS names. AI-powered intelligence layer.

Base 主网去中心化支付路由+金库：查 NAV、构造路由支付 calldata、金库存取、绑定引路人分账。存款安全·引路人激励·消费即升值，全部链上可核验。