"How to send queries to an Elasticsearch cluster" matching MCP connectors:

Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.

Enumerate and inspect PubFi capabilities, then execute an exact selected route.

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.

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.

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.

Solana token risk-scoring MCP server for AI trading agents with insider wallet cluster detection.

Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.

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

Fail-closed safe-to-pay verdicts on Base: known-bad wallets, look-alike tokens, repeat rug funders.

No-KYC offshore hosting an AI agent runs end-to-end: no-email signup, crypto, domain, VPS, deploy.

Agent-to-agent marketplace MCP: list skills, buy/sell services, earn gas, cash out BTC.

Quant tools + an NFL fantasy draft assistant for AI agents — Kalshi & Polymarket EV, edge, ADP.

Recover stranded native gas: empty a chain's balance to exactly zero on 25 EVM chains.

Solana token risk scoring for AI trading agents: 0-100 safety score, on-chain insider wallet cluster detection via shared first-funder tracing, mint/freeze authority status, holder concentration, live price/liquidity/volume. Batch endpoint for up to 25 mints per call. Free tier (15 req/day, no card).

Find the cheapest EVM chain across up to 9 networks with savings %. Pay-per-call via x402 on Base.

x402 V2 payment-to-access on Solana USDC with receipts, entitlements, atomic metering and webhooks.

x402 MCP web parser: URLs to Markdown for agents. USDC on Base, Polygon, Arbitrum, Ethereum.

Deterministic market-state engine for trading agents — zero LLM in the signal path. 8 tools: structural market state & phase, action gate (GO/WATCH/HOLD) as a transition posture, entry/target/invalidation coordinates, bar-by-bar state timeline, composed view cards, and pre-trade intent validation. Every output traces to a bar-stamped ledger with a public daily self-scoring track record (misses included). Crypto + TradFi synthetics (gold, oil, S&P 500, Tesla, NVIDIA, KOSPI 200).

MCP server connecting AI agents to non-custodial staking data across 130+ networks.

x402-paid tools: text to 3D-printable STL, web search, and search+read. USDC on Base.