"AT&T" matching MCP connectors:

Verify on-chain lifecycle state and provenance of NFC-tagged physical products.

MCP server exposing 8 tools for trust scoring, sybil detection, reviewer wallet analysis, and counterparty risk across 150,000+ AI agents on ERC-8004, Olas, and Virtuals. Streamable HTTP, JSON-RPC 2.0, no API key required.

Resolve any EVM contract ABI (even unverified, via decompilation), read, simulate, prepare txs.

Agent MCP for DeFi: cross-chain LINQ fan-out, AMM quotes/swaps, bridge, AI. Solana+EVM. Free+x402.

Gasless cross-chain for AI agents: 25 nodes incl. Solana & native Bitcoin. One signature, no gas.

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

Neutral W3C DID/VC identity and reputation oracle for AI agents (did:key/did:web, eddsa-jcs-2022).

Evidence-based market data for AI agents deploying capital in DeFi. Empirical, not advertised.

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.

MCP server exposing T54 XRPL x402 seller SKUs (OpenAPI) as tools: structured query, research brief, commerce data, and related routes. HTTP 402 + x402 settlement via broker (XRPL / Base USDC per env). Unified HTTPS host with health at /health.

Blockchain analytics API for AI agents. Smart Money signals, wallet profiling, token analytics.

Blockchain RPC via DRPC. Exposes eth_call, eth_getBalance, gas estimation, and other JSON-RPC methods as MCP tools across 100+ blockchains

Official Art Blocks MCP Server

DeFi interface for AI agents: swap, bridge, yield, lending. Live at syenite.ai.

Full Solana DeFi coverage: launchpads, tokens, trades, and wallets, decoded at scale.

Claude-ready DeFi MCP — risk-scored yields, profit sims & whale tracking across 86 blockchains

Discover, browse, and collect from 500+ on-chain generative art projects.

AI content generation, SEO analysis, and market intelligence for creators and agents. Web3 publishing platform with NFT minting. 4 MCP tools. Credit-based at $0.001/credit with x402 USDC payments on Base/Polygon.

Manage COTI accounts, deploy private ERC20 and ERC721 contracts, and transfer tokens and NFTs with…