Best AI Agent AI Skills & MCP Servers

FDKEY verification middleware for MCP servers — gate AI-agent access behind LLM-only puzzles. Runs on Node 18+, Cloudflare Workers, Bun, and Deno.

MCP server for AI agents to investigate OpenTelemetry traces, metrics, and logs

TypeScript SDK for 1Claw Vault — secret management for AI agents

MCP server library + ratel-mcp CLI: expose a Ratel tool catalog as a Model Context Protocol server. Manage upstream MCP servers, OAuth, and Claude Code import from one binary.

Model Context Protocol server providing AI agents access to 136+ KoliBri component examples and source code.

MCP server for searching the Virtuals Protocol ACP marketplace + Degen Arena + portfolio risk scoring + cross-portfolio composition. Exposes 39 tools — including v0.12.0 surfacing of Metabot v1.10 Phase 3 paid offerings (acp_search_narrative, acp_agent_ri

MCP server for Lodd — headless web analytics for agents

OPVS MCP Server — all 6 public OPVS skills (AgentBoard, AgentDocs, AgentMemory, OPVS Protocol, Auth, Integrations) in one MCP. For clients without per-MCP tool caps (Claude Code, Cursor). Antigravity users should use the scoped @opvs-ai/mcp-<skill> packag

MCP server for hyperD x402 paid DeFi APIs — pay per call in USDC on Base, ~2s settlement, no API keys. 23 tools (16 paid endpoints + bundle settlement) across 7 EVM chains. Drops into Claude Desktop / Cursor / Cline / Zed via stdio.

AGLedger MCP Server — Thin API pass-through for AI agents via MCP protocol

COVENANT Protocol MCP Server — AI agent access to on-chain task marketplace

Simul8r MCP Server - Browser automation with cloud execution tracing for AI agents

Fast TypeScript AI agent framework — per-request agents, 30+ model providers, 100+ integrations, 20+ vector DBs, 10+ databases, sessions, memory, knowledge, tracing, evals, HITL, teams, and workflows.

End-to-end encrypted memory for AI agents — portable, yours forever. MCP server with XChaCha20-Poly1305 E2EE, semantic search, import/export, and on-chain storage

RoutineCode — Claude Code superset. AI development agent with 59 MCP tools, multi-agent orchestration, domain intelligence, and failure recovery.

Adapter-based MCP orchestrator for AI coding agent sessions (Agent of Empires, Claude Code transcripts).

Multi-model adversarial plan review — orchestrates AI agents to critique and refine implementation plans

MCP server for AI agents to browse and book humans on rentahuman.ai

Interactive CLI for Undisk MCP — undo-first versioned file storage for AI agents

Model Context Protocol server for namemy.app — let AI agents check live domain availability and hand users a one-click buy URL. Stdio mirror; remote endpoints at https://mcp.namemy.app/mcp (OAuth) and https://mcp.namemy.app/direct (bearer). Public mode wo

Model Context Protocol server for DebugBundle

Configurable tool bundle for AI coding agents — use via MCP server, CLI, or agent skills. npm wrapper for the Rust binary.

Universal MCP server for the Avito API — 145 tools across 18 domains, safe-by-default with dry-run, idempotency, structured errors, MCP resources/prompts and cross-process token lock. Install via npx, plug into any MCP-compatible client.

MCP server for Claude (and other LLMs) — search live flights, hotels, Viator activities, and Ticketmaster events; return one autonomad.ai deep-link the user clicks to complete the booking with a 1-month Premium trial. Adds the new 'experiences' browse-int