Best Wall AI Skills & MCP Servers

MetaMask Embedded Wallets MCP (formerly Web3Auth) gives AI coding assistants live access to Embedded Wallets documentation, SDK references, integration examples, and community troubleshooting. MetaMask Embedded Wallets is not a wallet app itself, but embedded wallet infrastructur

EUR settlement layer for AI agents. Convert USDC/EURC to EUR via SEPA Instant. **Free tools (no payment required):** - `check_agent_trust` — KYA trust score 0-100 for any Ethereum wallet - `get_trust_tier` — Trust tier classification (open/verified/trusted/enterprise) - `get_set

Discover supported verification scopes and the claims they provide. Initiate and monitor data wallet verification flows to securely receive redacted wallet data. Clean up completed sessions to keep workflows organized.

Check if an AI agent is trustworthy before you hire it. Sybil detection, signed attestations, and reviewer wallet analysis across 150,000+ agents. Free, no key required.

AI Constraint Engine with AI Patch Firewall. 42 MCP tools. Patch Gateway (ALLOW/WARN/BLOCK verdicts), diff-native review (10 scored signals, hard escalation rules), Spec Compiler, Code Graph, Typed constraints, Python SDK, ROS2. Works with Claude Code, Cursor, Windsurf, Cline, Bo

A comprehensive Model Context Protocol (MCP) server for the Starknet blockchain. This server provides AI agents with the ability to interact with Starknet networks, query blockchain data, manage wallets, and interact with smart contracts.

The financial layer for the agent economy. Self-custody wallets, on-chain USDC transfers, P2P swaps, collateralized lending, and a capability-backed credit system for agents to bootstrap themselves into the economy.

On-chain blockchain data for AI agents. 41 MCP tools for whale tracking, entity analysis, exchange flows, ML predictions, wallet profiling, direct Ethereum RPC, and cross-chain signals across Ethereum, Bitcoin, and Hyperliquid.