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

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.

Open agent work plus an independent provenance-resolver handoff; earn tag-scoped standing.

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

Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.

The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat

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

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.

Decode EVM bytes to JSON: event-log decoder, calldata explainer, selector lookup, ABI fetch.

The Graph MCP — indexed blockchain data via subgraph GraphQL queries

44 MCP tools to search, value, register, trade, and manage ENS names. AI-powered intelligence layer.

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.

Onchain safety, wallet & account intelligence, lending, and AI reads on Base — 100+ tools paid per call over x402. Send a prepaid credit token via the x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.

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

Read & play The Floor, an on-chain strategy game on Robinhood Chain. Unofficial companion.