"An overview or guide to Search Engine Optimization (SEO)" 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.

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

A self-hosted decision engine that sits between an AI agent and blockchain execution. Agents submit a proposed action, Guardian returns an explainable ALLOW / WARN / BLOCK before anything gets signed or broadcast.

An MCP server that provides access to Stern, a philosophical AI mentor combining rationalist thinking with stoic philosophy to guide users through personalized mentorship and smart contract accountability on Solana.

Remote MCP server enabling agents to search, buy, and publish reusable knowledge via nine agent-native tools without API keys or custodied wallets.

MCP server for a pre-interaction risk check on any EVM contract/token, enabling agents to verify contracts before approving, swapping, or trusting an address.

A read-only MCP server for AI agents to access Nostr profiles, notes, search, and relay lists through user-chosen relays, without requiring an account or keys.

Enables ChatGPT to interact with multiple blockchain networks for reading balances and managing wallet operations through a non-custodial local vault and policy engine.

MCP server that enables AI agents to simulate EVM bytecode and probe capabilities, serving as a gateway to an Ethereum execution engine.

Enables AI agents to automate token swaps on Uniswap DEX across multiple blockchains including Ethereum, Optimism, Polygon, Arbitrum, and more, with real-time price quotes, swap execution, and multi-hop route optimization.

Provides access to an EVM chain registry, allowing users to browse chains, fetch details by ID or name, and find RPC endpoints with optional filtering.

MCP server that enables AI agents to search, describe, and fetch x402 endpoints on Base or Solana, with automatic USDC micropayments.

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.

Exposes 8 read-only Trust Vault tools over MCP (Streamable HTTP) for querying protocol overview, tokens, market rates, orders, platform stats, fees, and currencies. Enables on-chain reads and static config without wallet or signing.

Enables interaction with Pendle Finance DeFi protocol to fetch live yields, simulate staking and swaps, retrieve portfolio data, and get AI-based token recommendations. Provides comprehensive DeFi portfolio management and yield optimization through natural language.

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

Per-transaction crypto trade validator for AI agents, validates trades with PROCEED/CAUTION/BLOCK verdicts, scans tokens for anomalies, detects rug pulls, and searches across DEXes. Powered by WaveGuard physics engine with deterministic PDE-based analysis.