MCP Servers
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Non-custodial x402 MCP payment protocol for AI agents. Agents sign locally, no custodial infra. Supports EVM (Base) + Solana, auto-handles HTTP 402 payment flows, on-chain spend limits. Published in Coinbase x402 ecosystem (PR #1381).
A set of tools to use while coding using the Claude code cli. "smartgrep" is a grep-like tool that uses a semantic index of the codebase to provide Claude with information tailored for how it thinks. Claude loves it! A "codebase-curator" Claude to assist the "developer" Claude.
An intelligent code memory system that leverages vector embeddings, structured databases, and knowledge graphs to store, retrieve, and analyze code patterns with semantic search capabilities, quality metrics, and relationship modeling. Designed to enhance programming workflows
The Keyfactor Command MCP (Model Context Protocol) server provides AI-powered access to Keyfactor Command, a comprehensive Certificate Lifecycle Management (CLM) and Public Key Infrastructure (PKI) automation platform. This server enables natural language interactions with X.509.
CryptoQuant MCP gives AI agents direct access to institutional-grade on-chain and market data across Bitcoin, Ethereum, XRP, stablecoins, and ERC20 tokens — covering 245 endpoints across exchange flows, miner data, network indicators, derivatives, fund data, and more.
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.
