"A server for building out n8n from scratch" matching MCP servers:

Cross-chain cryptocurrency swaps via Chainflip. Get quotes, execute swaps, and track progress. No API key required to get started.

Universal HTTP 402 Micropayment Protocol & Autonomous Economic Settlement Engine for AI Agents on Base L2.

Enables AI agents to inspect the public NFH protocol corpus, verify census status, and prepare bounded Ethereum wallet intents for claims and non-custodial market actions while never signing or submitting transactions.

Exposes nine purpose-built tools for EVE: Frontier on Sui Move, covering Smart Assembly contract coding, Smart Gate route and toll planning, Network Node gigajoule optimization, Smart Turret targeting, killmail threat intel, SSU market making, zkLogin character verification, sovereignty fuel tracking, and PTB drain simulation.

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.

Enables users to compare current Aerodrome veNFT voting positions, bounded claimable rewards, and selected pools' voting evidence on Base against a saved local baseline, with retryable, atomically stored change reports. All tools are read-only on chain, requiring no keys, signing, or transactions.

Account-less access to 45 Gemini models & autonomous agents, 71 edge microservices across 6 modular domain packages via L402, x402, MPP.

A server that enables interaction with the Solana blockchain, providing access to over 40 Solana RPC methods including getting balances, transaction details, block information, and sending transactions.

Merx - TRON Resource Exchange Merx is the first TRON resource exchange that aggregates energy and bandwidth providers into a single MCP server. GitHub: https://github.com/Hovsteder/merx-mcp Hosted SSE: https://merx.exchange/mcp/sse npm: merx-mcp Website: https://merx.exchange Stats * 52 tools, 30 prompts, 21 resources * 7+ energy providers (CatFee, ITRX, PowerSun, Fe

Enables users to audit EVM, Solana, and Move smart contracts and assess Web3 security risks through tools for honeypot detection, SPL token risk, MEV sandwich exposure, address poisoning, HTTP 402 invoice fraud, UTXO consolidation planning, and cross-chain bridge quotes.

23 tools for AI agents working with Nostr Open source. No API key. No account. NIP-46 remote signing Publish notes, reply, react, repost Encrypted DMs (NIP-04 + NIP-44) Fetch events, profiles, social graph

Enables AI agents to create and manage contract-guarded USDC wallets on Base with enforceable per-payment, daily, and monthly caps, vendor allowlists, escalation thresholds, and freeze controls. It provides read-only policy checks plus unsigned transaction proposals for payments, funding, vendor management, wallet creation, and module deployment without holding keys or broadcasting.

MCP server providing real-time crypto prices (Chainlink + Binance), Polymarket prediction market data, deep web research, and JS-rendered web scraping. All services available via x402 Solana micropayments.

Pay-per-task AI agent for writing, research, code, DeFi & blockchain. Pay in USDC on Base or Solana. Supports A2A, MCP, x402 and Agentmail protocols.

A Model Context Protocol server that enables Claude AI to interact with the Solana blockchain, allowing it to execute transactions, query accounts, manage wallets, get price predictions, trade tokens, and access various blockchain data sources.

US tax classification for on-chain transactions: tx hash in → canonical category, tax treatment, confidence, and review flags out. 80+ chains.

A Model Context Protocol server that provides expert guidance for Dojo and Cairo development on Starknet, offering specialized knowledge and assistance for building onchain worlds using the Dojo Entity Component System framework.

9 tools, Lightning-gated. Pay per call. For agents that need verifiable signed actions with an audit trail. Nostr event signing via daemon Publish events to relays Create Lightning invoices Action receipts — signed proof of agent actions Identity attestation

Provides AI agents with knowledge and code generation tools for building BSV blockchain applications using @bsv/simple.

A Model Context Protocol server that enables interactions with the Hedera network, providing tools for wallet creation, balance checking, transaction building, and sending signed transactions.

Enables querying blockchains across EVM, Solana, Bitcoin/UTXO, and Cosmos through a unified interface, with tools for resolving addresses, checking balances, fetching transactions and blocks, reading contracts, decoding calldata, and building unsigned transfers.

Provides a three-layer payment firewall for AI agents, enabling identity verification, risk screening, and execution authorization with on-chain policy enforcement for secure and auditable transactions.

Enables Solana swaps through ranked quotes, transaction building, broadcasting, and status tracking, with per-request payment in USDC via the x402 protocol using a local keypair.

Provides AI-native access to Aarna's tokenized yield vaults on Ethereum and Base, with tools for vault discovery, performance metrics, transaction building, and portfolio tracking.

Provides developer-focused documentation and tools for building applications on Amp, a high-performance blockchain ETL system. Includes guides, schemas, code examples, and troubleshooting resources for querying and transforming blockchain data.

A comprehensive toolkit for building AI agents with blockchain capabilities, enabling interactions with multiple blockchain networks for tasks like wallet management, fund transfers, smart contract interactions, and cross-chain asset bridging.

DeFi execution layer for AI agents - swap, zap in/out of LP, route across AMMs on 5 EVM chains.

Enables AI agents to interact with Ethereum blockchain by querying ETH and ERC-20 token balances, fetching token prices from CoinGecko, and building/simulating Uniswap V3 swap transactions. Built in Rust with read-only mode by default for safety.

Checks live x402 routes across Base, Solana, and Algorand before agents spend. $0.003 USDC settles only for a valid live eligible route; normal typed misses are not settled. Free preview and validate tools. Seller payment is separate; the agent keeps its wallet. Optional signed route-binding receipts support buyer-side checks.

Rug pull risk scores and on-chain forensics for memecoins on Solana, Ethereum, Base and Robinhood Chain - launch-bundle detection, funding-origin tracing, deployer history, insider networks and whale flow. 15 read-only tools.