"An open-source backend service for web and app development" matching MCP servers:

Provides real-time and historical cryptocurrency price data from multiple exchanges including Coinbase, Binance, and Kraken. It enables users to fetch prices with customizable parameters such as specific timestamps, time resolutions, and fiat currency conversions.

56 pay-per-call MCP endpoints for AI agents. Market signals, macro economics, crypto/DeFi, geopolitical intelligence, SEC filings, GitHub velocity, sanctions screening. USDC on Base Mainnet via x402.

📈 提供股票、加密货币的数据查询和分析功能MCP服务器

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

Enables Claude to monitor and execute Binance trading strategies through a bounded MCP tool interface, with risk controls and audit logging.

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.

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.

This MCP wraps Bitrefill public API to allow agents to search for products and shop using cryptocurrencies like Bitcoin, Ethereum, Solana, and many more.

AgentBureau provides the legal and physical infrastructure for AI agents to operate within the German jurisdiction. We bridge the gap between digital intelligence and real-world action by providing "Embodiment-as-a-Service." Through our API, agents can perform legally binding actions—like sending faxes, mailing physical letters, issuing invoices, forming entire companies (GmbH/UG), ...

Solana token risk-scoring MCP server for AI trading agents — 0-100 safety score, on-chain insider wallet cluster detection, mint/freeze authority checks, and historical risk data via 3 tools.

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.

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.

Enables AI agents to evaluate stablecoin treasury allocations by protecting upcoming obligations, calculating true surplus, stress-testing proposed investments, and returning explainable ALLOCATE, HOLD, or BLOCK decisions.

Enables web search for AI agents with pay-per-search in USDC, no API keys needed.

just a simple test for education

This server provides a robust interface for Binance spot trading operations, including secure management of API credentials, execution and management of spot orders, and monitoring of account balances and open orders.

MCP server for the Twelve Permissions NFT collection, enabling verification of seals, retrieval of piece metadata and buy transactions, x402 payment info, and the refusals ledger.

Hire real humans in Russia for physical-world tasks — storefront photos, address checks, offline errands — directly from your AI agent. Payment in USDT.

Enables autonomous AI agents to conduct non-custodial commerce using JPYC stablecoin on Polygon, with trust scoring, task evaluation, negotiation, and on-chain verification via Soulbound Tokens.

Open-source MCP server exposing the Agent402.Tools catalog: 500+ deterministic pay-per-call tools for AI agents, including browser rendering, web search, PDFs, OCR, LLM inference, code execution, live financial/crypto/macro data, SEC EDGAR, and wallet-keyed memory. Free via proof-of-work, or pay per call in USDC across ten chains via the x402 protocol. No API keys, no signups