"Reverse engineering or reverse direction search" matching MCP servers:

Enables Web3-focused web searches via the OptimAI External Search API, providing tools to start, retrieve, list, and cancel searches from any MCP-compatible AI host.

Provides a pay-per-query web search tool for AI agents via Lightning Network sats, enabling no-KYC, account-free searches through the MCP protocol.

MCP server that lets AI agents search the substreams.dev package registry.

Read-only MCP server for discovering and ranking on-chain agents on Stellar mainnet via natural language search, reputation probes, and profile lookups.

Enables MCP-capable agents to access a verified, structured registry of Terra Classic engineering findings and companion agent skills, with runnable freshness checks.

Read-only MCP server that lets AI agents resolve DNS domains, .cns names and ENS names to owners, public profiles and freshly verified on-chain payment addresses across 28 networks, so agents can pay an address the owner actually published. It exposes lookup, payment-address, reverse-lookup, availability and network-listing tools without any ability to sign, register or move funds.

Enables AI assistants to resolve .i Web3 domains, reverse lookup wallet addresses, fetch profile records, check domain availability, and retrieve multichain addresses via the DotI protocol.

Enables resolving ENS names to Ethereum addresses and profile records, and reverse-resolving addresses to ENS names, all without requiring an API key.

Enables agents to resolve ENS names to Ethereum addresses and reverse-resolve addresses to ENS names, including avatar URLs, through a pay-per-call x402 micropayment API.

A Model Context Protocol server that wraps Naver's encyclopedia search API, allowing users to search for information from Naver's encyclopedia through stdin/stdout or HTTP interfaces.

Hashlock Markets — sealed-bid intent-based crypto trading via MCP for AI agents. Atomic cross-chain settlement (Ethereum, Bitcoin, Sui) using HTLC. Six MCP tools for RFQ price discovery without information leakage and HTLC settlement without escrow or bridges. Canonical npm: @hashlock-tech/mcp.

MCP server for local transaction signing across EVM, UTXO, Tron, and XRP blockchains, with no network calls or API keys required.

Enables cross-chain swap execution across 12 venues and 17 chains, including native Bitcoin as source or destination, with tools for quoting, execution, status, and health checks. No signup, API key, or protocol fee required.

An MCP server that provides real-time web search to AI agents via a pay-per-search USDC microtransaction system.

Enables AI agents to interact with a Liquid network wallet, including balance checks, transaction history, and sending L-BTC or Liquid assets. Backed by an in-process LWK wallet, requiring only a mnemonic, with both stdio and HTTP support.

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.

Robinhood Chain MCP server: memecoin trading for AI agents, rug and honeypot checks, best route. Enables AI agents to discover screened new Robinhood Chain tokens, quote swaps across multiple routers, and prepare buy or sell transactions for wallet signing without holding funds or keys.

A read-only MCP server for safely exploring Nostr, enabling agents to resolve identifiers, fetch profiles and events, query notes, and inspect relay metadata. It does not accept private keys or publish events.

Provides access to Lightning FM's music catalog, allowing agents to search tracks, look up artists, and check the currently playing track and stream URL via public Nostr and Blossom infrastructure.

Thin MCP wrapper around the SQD Portal API for blockchain data queries across multiple networks including EVM, Solana, Bitcoin, Substrate, and Hyperliquid. Provides 25 public tools for discovery, cross-chain queries, and chain-specific operations.