"Design Resources and Prototyping Best Practices" matching MCP servers:

Enables simulation and analysis of DeFi mechanisms, auctions, incentive compatibility, and governance attacks through a model context protocol interface.

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

Wallet-funded MCP client for six paid Utilia tools: Solana priority fees, transaction diagnosis and simulation, token-risk checks, PDF-to-Markdown, and audio normalization over x402. MIT-licensed and installable from npm.

An MCP server for Klever blockchain smart contract development, providing contextual knowledge including code patterns, best practices, and runtime behavior.

Multi-aggregator swap router for AI agents on Base. MCP-native, best-of-N across 0x and Velora, current flat 10 bps fee.

Get the best swap quotes across Uniswap, SushiSwap, Aerodrome with pay-per-call via x402 (USDC on Base).

A specialized gateway that simplifies Cardano blockchain integration for application developers by providing streamlined access to Cardano documentation, development tools, and best practices.

Enables AI assistants to automatically integrate Divvi referral tracking into JavaScript/TypeScript blockchain applications by guiding them through SDK installation, transaction modification, and implementation of referral submission following official best practices.

Finds the best DeFi yields for a token across 100+ protocols and chains, with pay-per-call micropayments via x402.

Non-custodial Solana swap routing with best-price execution, flat 0.25% fee, and built-in on-chain scam checking for token safety.

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

Prediction-market quant tools — expected value, Kelly sizing, Bayesian updating, odds conversion, base-rate gaps, cross-platform arbitrage, and mispricing edge — for Kalshi and Polymarket contracts, exposed as a remote MCP server.

Local Ethereum wallet for AI agents — read balances and history, request payments that a human approves by password in the app popup, and fetch x402-paywalled resources with USDC on Base. Keys are encrypted on-device and never leave your Mac.

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.

Stamp, upgrade, and verify Bitcoin timestamps via AI agents using the OpenTimestamps protocol. No API keys required.

Enables AI agents to build, test, deploy, invoke, and inspect Soroban smart contracts on the Stellar network through structured MCP tools and resources.

MCP server for Project CPU, a blockchain game on EVM. It lets an AI agent play on your behalf: read the world map, reveal cells, build and mine, craft, move resources, trade at marketplaces, and cash out to on-chain $CPU.

Gives AI agents a smart-contract wallet on Base (USDC) with 10 stdio tools: create wallets, send USDC payments, pay x402-protected HTTP resources, and run ERC-8183 escrow Jobs for A2A service delivery.

MCP server that enables AI agents to make autonomous Bitcoin Lightning Network payments using the L402 protocol. Agents can pay for API access, purchase resources, and complete transactions without human intervention — invoice comes in, sats go out, done.

Exposes Covalent's GoldRush APIs to provide LLMs with comprehensive blockchain data, including token balances, transaction histories, and chain metadata. It supports multiple networks and wallet types, including Bitcoin HD and non-HD addresses, through standardized MCP tools and resources.