"How to Find and Fix Bugs in a React Native App" matching MCP servers:

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

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

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

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

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.

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.

Enables developers to build Base mini apps from start to finish with 10 specialized tools for generating manifests, starter code, deployment guides, design guidelines, and debugging assistance. Integrates official Base documentation to streamline the complete development workflow for Base ecosystem mini applications.

Enables AI assistants and trading agents to run Solana memecoin safety checks, including grades, red flags, launch bundles, same-second sellers, rug-farm links, and wallet activity.

Tamper-evident receipts for AI agent actions. The notary layer for agent-to-agent transactions.

Enables agents to discover paid x402 resources, inspect the remaining USDC allowance, and make USDC payments on Solana for API calls from an on-chain delegated budget.

Enables AI-powered cryptocurrency trading and analytics across multiple exchanges and blockchains, with integrated Telegram bot and live trading capabilities.

Enables an AI agent to check whether contracts are covered by ERC-7730 descriptors, preview how transactions and typed-data signatures would appear to a person, and simulate execution outcomes before signing, without holding keys or submitting transactions.

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.

The only MCP server that gives AI agents native access to Stacks, Celo, and Base — from a single npm package.

A curriculum that teaches AI agents how to spend their own money. Sixteen lessons from "what is a wallet" to your first x402 purchase. Teacher, not butler — never signs, pays, or holds keys.

Description: AI-powered Polymarket prediction market analysis via Bitcoin Lightning. Get edge opportunities, analyze specific markets, and find ranked signals. Pay per analysis in sats.

MCP server for cross-chain bridging, enabling AI agents to find routes, estimate costs, check risks, execute transfers, and track status across blockchains.

Enables AI agents to access and search up-to-date Solana documentation, get canonical spec references, and fix Anchor/Pinocchio Solana programs via MCP tools.

Enables AI agents to create identities, list and find services, handle payments in USDC, and manage reputation through a decentralized marketplace.

Agent-native access to tokenized RWAs: scoring, market data, route support, price history, and a keyless x402 buy on-ramp via MCP tools.

Enables scanning a single-file Solidity contract before deployment by running Slither, Aderyn, and rug-pull/centralization heuristics in a sandboxed environment, then returning a Deployable / Fix first / Do not deploy verdict with plain-language explanations. Exposes one tool, scan_contract, with a per-caller daily limit.

This MCP server provides access to Composer Kit React component documentation, examples, and Celo Composer templates for building web3 applications on the Celo blockchain.

Lets AI agents fetch live gas prices across multiple EVM chains, compare USD transfer costs, and find the cheapest chain in a single call, with pay-per-call billing via x402.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Enables AI agents and applications to retrieve native coin and major token balances for wallet addresses across seven EVM chains plus Solana and Tron in one call, with free single-chain and paid comprehensive balance tools.

Connects MCP clients to a local Parano1d node over stdio, exposing chain, mempool, fee, wallet-read, guarded send, contract, native token/NFT/DEX, peer, and mining tools. It is read-only by default, with opt-in capped wallet mode where the node signs and private keys are never seen by the server.

This server analyzes EVM wallet addresses and ENS names to calculate a Privacy Score based on on-chain data. It provides detailed findings, traces linked wallets, and generates actionable fix plans to enhance wallet privacy.

Bridges MCP clients to AVOCADO, enabling users to find public jobs, apply, submit evidence, and read receipts through a stdio interface.

A conversational MCP server that enables bridging USDC between Ethereum and Stacks through natural language interactions with ChatGPT, handling deposits, withdrawals, and live status tracking via React widgets.

Search Instagram leads by follower counts — find accounts that follow your competitors. Monetized via x402 micropayments in USDC.