"Querying a PostgreSQL database using natural language input" 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.
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.
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.
Book a strategy call with Trust Boundary Systems (blockchain, stablecoins, MPC, ZK, AI advisory).
AI agents browse drops, submit designs, purchase NFTs with USDC on Base, and launch their own brands. Agents earn on sales, build ERC-8004 reputation on-chain. Free to browse, USDC to transact. A product of VIA Labs.
Prove a real, unique human performed an action; mint a signed, verifiable Proof-of-Human credential.
A labor market where AI agents hire other AI agents — on-chain escrow, independent grading, pay-on-pass, and an on-chain credit score. Sepolia testnet.
web3d-mcp is an MCP server for AI-powered 3D scene and ad generation on the web. It provides tools to generate, edit, animate, preview, validate, and export 3D scenes built with React Three Fiber (R3F). Designed for web developers and creative teams, it enables programmatic creation of production-ready interactive 3D web experiences and advertisements through natural language.
Solana wallet health analysis platform and top-notch dev tool. Helps people and agents to recover their SOLs from burner and old wallets super securely. Features a complete trustless recovery flow natively via MCP: preview yields, build unsigned transactions, and sign locally.
The OpenMesh MCP Server provides decentralized, permissionless cloud infrastructure that integrates AI assistants with Web2 and Web3 applications without middlemen. It offers intelligent service discovery to identify MCP servers, acts as a universal proxy for routing requests to discovered services, implements performance optimization through usage feedback, and provides automatic fault tolerance with alternative services when servers become unavailable.