"A server for deep research using Google search" matching MCP connectors:

Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.

Search, buy, and manage domains, DNS records, orders, and NFSC balance on Namefi.

Search scored onchain agent frameworks, MCPs, wallets, tools, and live agents.

MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Live, neutral benchmarks for public RPC latency, oracles, bridges, perp DEX, and prediction markets.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Gasless, MEV-protected onchain token swaps for AI agents on 11 EVM chains, built on CoW Protocol.

Screen an Ethereum address or ENS name for on-chain reputation risk, sanctions, and reasoning.

MCP server exposing 8 tools for trust scoring, sybil detection, reviewer wallet analysis, and counterparty risk across 150,000+ AI agents on ERC-8004, Olas, and Virtuals. Streamable HTTP, JSON-RPC 2.0, no API key required.

Token swaps and honeypot/rug checks for AI agents on 8 chains, paid per-call in USDC via x402.

Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.

MCP server for Blockscout

Live operational + integration registry for Bittensor subnets: APIs, schemas, health.

TRON blockchain MCP server powered by the GoTRON SDK — query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP

Collateral-backed treasury vault for AI agents on Base. Crash Shield defends, JIT pays x402.

Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d

Nine chain onchain intelligence with a verifiable onchain signal attestation stream

Pay-per-call crypto market intelligence for AI agents. USDC on Base via x402.

Deterministic, machine-verifiable dispute resolution for A2A escrows.