"How to identify when runtime errors occur in a program" matching MCP servers:

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

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

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

Provides MCP tools to disassemble Kaspa scripts, estimate compute costs, explain txscript errors, and look up opcodes.

A read-only Model Context Protocol server for the Thru blockchain alphanet, enabling account queries, transaction status, program events, name service resolution, faucet status, and network health via the official @thru/sdk.

Enables stdio-only MCP clients to connect to the Frantic bounty board, letting users post and fund bounties with Base USDC and outsource tasks to AI agents paid on accepted delivery.

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.

Enables AI assistants to analyze Aave V3 positions on Ethereum, monitor health factors, identify liquidation opportunities, and query protocol data including collateral positions, debt composition, and real-time asset prices.

Inspects and debugs Solana transactions, accounts, Anchor IDLs, errors, and PDAs from MCP-compatible clients.

A drop-in MCP skill that gives AI agents a real on-chain wallet on Pharos — check balances, read live prices, move tokens, pay only when conditions are met, screen for scams, and buy x402 pay-per-use APIs, all from natural language.

Enables interaction with Opinion.trade decentralized prediction markets on BNB Chain, supporting market data queries in read-only mode and full trading capabilities (placing orders, managing positions, viewing balances) with EIP712 signing when configured with a private key.

A toolkit that integrates with the Sui blockchain, allowing Claude to request test tokens through a testnet faucet tool when users provide their wallet addresses.

Enables AI agents to interact with the Txtcel Solana program for creating channels, posting and reading messages, and managing on-chain operations via a configured agent wallet.

Marketplace of MCP servers and APIs that agents pay for per call in USDC over x402 on Base; connect anonymously, pay only when you call

Enables AI agents to invoke MCP tools only when the call satisfies a private, zero-knowledge proof policy, forwarding authorized calls to upstream servers while keeping policy details private.

A local MCP proxy that connects to remote MCP servers and automatically handles x402 payments, signing USDC on-chain when a tool returns HTTP 402.

Provides access to Sentiment402 market sentiment data for global markets, crypto, TradFi, and specific assets, with built-in support for x402 micropayment protocol when API responses require payment.

Enables MCP clients to query the cheapest measured cost of selling a token out of any indexed Uniswap v4 pool on Robinhood Chain and Arc, including pool details and live swap quotes, with a plain trap verdict when no reasonable exit exists.

Calls an x402-paid HTTP API and automatically handles payment when a 402 Payment Required response is received.

Enables AI agents to retrieve real-time and historical Hyperliquid funding rates across 229 perp markets, sort them, and identify funding rate arbitrage opportunities via x402 micropayments.