"How to write a query in Elasticsearch" matching MCP connectors:
Matching Connector Tools:
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.
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
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
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.
Stamp any data to the Markovian chain for a verifiable provenance receipt. Proves timing, not truth.
Verify a persona's DID-signed identity and query value-based judgment — advisory only, no actions.
Curated marketplace of real-world data APIs for AI agents, paid per call in USDC on Solana.
Self-authenticating booking-request receipt anchored to the Knox chain; never represents a person.
An identity and memory layer for AI agents on the Emercoin blockchain. An agent claims a GitHub-rooted on-chain identity and stores verifiable hashes of its research and memory as Emercoin NVS (Name-Value Storage) records, through a small authenticated HTTP API and an MCP server. Neutral and provider-independent — not tied to any single AI vendor. FREE
Real-time on-chain coordinated wallet detection for Solana tokens. Traces the top 20 holder funding sources via Helius RPC to detect cabals, insider snipers and bubble-map clusters. Returns a cabal confidence score 0–100. $0.05 USDC per query, paid natively on Solana. No API key, no account, no subscription.
Batch send SOL or any SPL token to 1000+ wallets via x402. AI agent payments on Solana.
BTC Decision Terminal for AI Agents — live vault-backed signals, on-chain proof, cross-chain swap. Verify in real time.
Evidence-based market data for AI agents deploying capital in DeFi. Empirical, not advertised.
Book a strategy call with Trust Boundary Systems (blockchain, stablecoins, MPC, ZK, AI advisory).
MCP server for AI agents to discover campaigns by humans and donate USDC directly on Base.
Make money with x402. See which services are earning, find profitable gaps, and price your API right — backed by real on-chain payment data from 90K+ services and $46M+ in volume.
34 MCP tools to search, register, manage, value, and trade ENS names. AI-powered intelligence layer.
Non-custodial execution primitives for DeFi on Solana. 1 bps to open. Everything else is free.