"Finding alternatives to REF and MCP for APIs" matching MCP servers:

Generates MCP servers from smart contract ABIs, enabling Claude to interact with any Ethereum contract via natural language commands.

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.

Trace hidden insider wallet clusters behind Solana tokens before you ape — safety score, honeypot & LP-lock check, no signup for first 5 calls/day.

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.

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.

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

A remote MCP server that links World ID 4.0 sessions to AI assistants, enabling verified human authentication and tools for claiming Founding Human places, accessing human grants, and interacting with a verified human wall.

MCP server for Chainlink Runtime Environment, enabling build, simulate, deploy, and manage CRE workflows from any MCP client.

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.

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 assistants with access to real-time DeFi lending rates and yield data across 14+ protocols and multiple blockchains. Enables querying borrow/supply rates, comparing platforms, calculating leverage strategies, and finding best earn opportunities.

Alchemy's official MCP Server. Allow AI agents to interact with Alchemy's blockchain APIs.

Connects AI agents to 2,800+ APIs via x402 micropayments on Base, enabling automated API calls for $0.01 each without signup or API keys.

MCP server that enables AI agents to explore Bittensor subnets, check their health and economics, and discover their public APIs and schemas.

Enables AI agents to discover, call, and pay for existing HTTP APIs over MCP with x402 paywalls, non-custodial settlement, and no code changes to the backend.

Query blockchains with plain English — instant, structured, and developer-friendly using Infura APIs

Provides access to Polymarket prediction-market data via Gamma and CLOB public APIs, enabling AI agents to query market information.

Lets you probe ERC-8004 agents on BNB Smart Chain by calling their declared MCP or A2A endpoints, checking payment requirements, reading on-chain reputation authorship, and finding agents by description.

Read-only on-chain query surface for the AgentCivics civil registry on Sui — soulbound AI-agent identities, on-chain memories, reputation, refusal records. Hosted, no install, no keypair. For write tools (register, write_memory, record_refusal), install the npm package @agentcivics/mcp-server locally and supply your own keypair.

MCP Server for the Luno Cryptocurrency API