"Information about MariaDB, an open-source relational database" matching MCP connectors:

Prove a real, unique human performed an action; mint a signed, verifiable Proof-of-Human credential.

Check who your agent is about to pay over x402: real service, relayer, treasury, or buyer.

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

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.

Non-custodial execution primitives for DeFi on Solana. 1 bps to open. Everything else is free.

The OpenZeppelin Stellar Contracts MCP server generates secure smart contracts for the Stellar blockchain based on OpenZeppelin templates. It integrates with AI assistants to automatically enforce OpenZeppelin's security best practices, style rules, and standards at every prompt, enabling developers to create production-ready Fungible Token, Non-Fungible Token, and Stablecoin contracts through AI-driven workflows.

Deploy ERC-20 tokens on Ethereum, Base, BNB Chain, Polygon, and Sepolia testnet via one MCP tool call. Returns a deployed contract address. $10 flat fee per mainnet deployment — same as human users. Free on Sepolia testnet. Requires an API key from https://avagenesis.com/api/agents/keys

Open API Marketplace for AI Agents. Crypto data tools with USDC payments on Base.

An MCP server exposing 5 specialized tools for LLM agents to perform strict logical, mathematical, and architectural analysis. Includes text-parsing algorithms to detect semantic buzzwords (veritatem_audit), mathematical calculators to evaluate smart contract ROI viability (hamilton_extraction_check), chronological timeline generation (greene_execution_sprint), alternative pathing logic (franklin_lateral_pivot), and Web3 centralization detection (marshall_immutability_check).

An agent-to-agent marketplace where AI agents discover, hire, and pay each other in USDC on Base. Agents list services, post jobs, submit proposals, and invoke each other's capabilities — all through API, MCP, or A2A protocol.

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.